The Northern Hemisphere is tilted toward the sun and receives more direct sunlight. Keep going to Proxima Centauri, our nearest neighboring star, and plan on arriving in 4.25 years at light speed. The light year is used in astronomy because the universe is huge. This is a number so It is a few hundred kilometers from New York City to 1 See answer Advertisement W0lf93 We use the provided conversion factor to convert 10.5 light years to kilometers. Having said this, you might wonder why one needs such a big unit of distance. . Or 28 billion years, going 60 mph. Research Center (HEASARC), Units such as the light-minute, light-hour and light-day are sometimes used in popular science publications. In the next few years, we might learn whether they have atmospheres or oceans, or even signs of habitability. The Milky Way Galaxy is about 150,000 light-years across. A light-year is _____. Light zips through interstellar space at 186,000 miles (300,000 kilometers) per second and 5.88 trillion miles (9.46 trillion kilometers) per year. In an hour, light can travel 671 million miles. A value of 9.4605362071015m found in some modern sources[14][15] is the product of a mean Gregorian year (365.2425 days or 31556952s) and the defined speed of light (299792458m/s). A kilometer, or kilometre, is a unit of length equal to 1,000 meters, or about 0.621 miles. In February 2017, astronomers detected seven Earth-sized planets orbiting a single star 40 light-years away from Earth. It even includes time itself and, of course, it includes you. . The universe is everything. [3], The light-year is most often used when expressing distances to stars and other distances on a galactic scale, especially in non-specialist contexts and popular science publications. A light-year, also light year or lightyear (symbol: ly) is a unit of length, equal to just under 10 trillion kilometers (101015 meters, 10 petameters or about 6 trillion miles). The image of a slide formed by a slide projector is correctly described by which of the listed terms? A metal (M) forms a compound with the formula $MCl_3$. light-years. If the compound contains 65.57% Cl by mass, what is the identity of the metal? For most space objects, we use light-years to describe their distance. Please scroll down to see the correct answer and solution guide. Astronomical Unit (AU). universe, the kilometer is just too small to be useful. (a) A 5.00-kg object is released $1.20 \times 10^7 \mathrm{~m}$ from the center of the Earth. That is a 6 with 12 zeros behind it! And there are an estimated two trillion galaxies in the universe. High Energy Astrophysics Science Archive So in one year, it can travel about 10 trillion km. travel in one year. How many kilometers is a light-year away? The nearest-known exoplanet is a small, probably rocky planet orbiting Proxima Centauri the next star over from Earth. Also: LIGHT IS FAST, nothing travels faster than light. The FY 2023 NDAA authorizes national defense spending at $847 billion, $45 billion above the budget request for FY 2023 and a staggering $80 billion - 10.4 percent - above FY 2022 authorization levels. Research Center (HEASARC). A galaxy can have millions or billions of stars. It will take me light-years to complete this homework assignment. "[6][7] and localized abbreviations are frequent, such as "al" in French (from anne-lumire), Spanish (from ao luz), Italian (from anno luce), "Lj" in German (from Lichtjahr), etc. Galaxies themselves span from a few thousand to a few hundred thousand light-years in diameter, and are separated from neighbouring galaxies and galaxy clusters by millions of light-years. A planetary tour through time. [21] Ule explained the oddity of a distance unit name ending in "year" by comparing it to a walking hour (Wegstunde). Pat Brennan B) It will take me light-years to complete this homework assignment. In most of the world, it is the most common unit for measuring distance between places. The speed of light was not yet precisely known in 1838; its value changed in 1849 (Fizeau) and 1862 (Foucault). Light Years to Kilometers Conversion Table (some results rounded) As defined by the International Astronomical Union (IAU), a light-year is the distance that light travels in a vacuum in one Julian year. School SUNY Geneseo; Course Title ASTR MISC; Uploaded By adgould9; Pages 230 Ratings 33% (3) 1 out of 3 people found this document helpful; 6 a light year is your answer about 10 trillion. A light-year is a unit of distance. [2] Because it includes the time-measurement word "year", the term light-year is sometimes misinterpreted as a unit of time. When we use powerful telescopes to look at distant objects in space, we are actually looking back in time. An image of distant galaxies captured by the NASA/ESA Hubble Space Telescope. For example, the light-second, useful in astronomy, telecommunications and relativistic physics, is exactly 299792458 metres or .mw-parser-output .frac{white-space:nowrap}.mw-parser-output .frac .num,.mw-parser-output .frac .den{font-size:80%;line-height:0;vertical-align:super}.mw-parser-output .frac .den{vertical-align:sub}.mw-parser-output .sr-only{border:0;clip:rect(0,0,0,0);height:1px;margin:-1px;overflow:hidden;padding:0;position:absolute;width:1px}131557600 of a light-year. In one year, light can travel about 10 trillion km. In the universe, the measurement in kilometres is too small to be used. Bessel added that light takes 10.3 years to traverse this distance. The star was 61 Cygni, and he used a 160-millimetre (6.2in) heliometre designed by Joseph von Fraunhofer. The light-year unit appeared a few years after the first successful measurement of the distance to a star other than the Sun, by Friedrich Bessel in 1838. There are a lot of things to know about the universe. How long does it take to travel 9 trillion km? That is only 400 million years after the big bang. One light-hour is the distance that light travels in an hour. Myers Not much is known about this world; its close orbit and the periodic flaring of its star lower its chances of being habitable. Light moves at a velocity of about 300,000 StarChild Project Leader: Dr. Laura A. As there are 31,536,000 seconds in a year, the distance covered is - 31,536,000 x 3 x 10^6 = 9. Light-year is the distance light travels in one year. a light-year, alternatively spelled lightyear, is a large unit of length used to express astronomical distances and is equivalent to about 9.46 trillion kilometers ( 9.46 1012 km ), or 5.88 trillion miles ( 5.88 1012 mi ). It is approximately 150 million km (93 million miles). Distances to objects such as quasars and the Sloan Great Wall run up into the billions of light-years. A light year (symbol: ly) is the distance that light travels in empty space in one year. One of the most distant exoplanets known to us in the Milky Way is Kepler-443b. A light year is the distance travelled by light in one year How many kilometers does light travel in a year assuming speed of light is 3108ms1 956 tril. In one year, light can cover a distance of about 10 trillion kilometers or 10 Km. Science Writer: Light moves at a velocity of about 300,000 kilometers (km) each second. . Traveling at light speed, it would take 3,000 years to get there. One light-year is about 6 trillion miles (9 trillion km). Before 1984, the tropical year (not the Julian year) and a measured (not defined) speed of light were included in the IAU (1964) System of Astronomical Constants, used from 1968 to 1983. The light-year is often used to measure distances to stars and other distances . [3] The unit most commonly used in professional astronomy is the parsec (symbol: pc, about 3.26 light-years) which derives from astrometry; it is the distance at which one astronomical unit subtends an angle of one second of arc.[2]. StarChild Authors: The StarChild Team The distance between the star and Earth in kilometers is trillion kilometers. Which of the following is not a phase of the moon? Another galaxy, IC 1101, spans as much as 4 million light-years. 9.46 trillion kilometers. Whitlock For distances to other parts of the Milky Way Galaxy (or even further), Light is fast, but the distances are vast. A light-year is _____. The result: One light-year equals 5,878,625,370,000 miles (9.5 trillion km). View as PDF NTU urges all Representatives and Senators to vote "NO" on the Senate amendment to H.R. The AU, however, is not big enough of a unit when It takes 43.2 minutes for sunlight to reach Jupiter, about 484 million miles away. NASA/ In 2016, NASA's Hubble Space Telescope looked at the farthest galaxy ever seen, called GN-z11. Looking Back in Time When we use powerful telescopes to look at distant objects in space, we are actually looking back in time. 11,160,000 miles. B. But it's still measurable. When we use powerful telescopes to look at distant objects in space, we are actually looking back in time. This seems really fast, but objects in space are so far away that it takes a lot of time for their light to reach us. If a point on the rim of the wheel has a centripetal acceleration of $1.2\ m/s^2,$ what is the point's tangential speed. D) It will take the Voyager spacecraft about 20,000 years to travel just 1 light-year. StarChild Graphics & Music: Acknowledgments Light-year is the distance light travels in one year. Distances expressed in light-years include those between stars in the same general area, such as those belonging to the same spiral arm or globular cluster. To find the distance of a light-year, you multiply this speed by the number of hours in a year (8,766). A light year is not a length of time. The light-year we have already defined. Published in category Physics, 19.08.2020 >> . It includes all of space, and all the matter and energy that space contains. And computer modeling shows some have a good chance of being watery or icy worlds. Some of these galaxies are much farther away. One light-year is about 6 trillion miles (9 trillion km). Given the relation that 1 light year = 9.46 trillion kilometers, and the distance from Epsilon Eridani to Earth which is 10.5 light years, we can solve for the distance between the star and Earth in light years by multiplying both values together. It is the basic definition of a light-year. For most space objects, we use light-years to describe their distance. The Sun It is a star It is 4,500 million years old It takes 8 minutes for its light to reach the Earth 98.6% mass of the Solar System Consists of Hydrogen and Helium Radius = 695,000 km Mass = 333,000 Earths Surface temperature: 5,500 C Core temperature: 15,500,000 C Internal Structure of the Sun Core: Hottest part where hydrogen fusion occurs Radiative Zone: Photons travel through it . Credit: NASA, ESA, P. Oesch (Yale University), G. Brammer (STScI), P. van Dokkum (Yale University), and G. Illingworth (University of California, Santa Cruz). The outer edges of the universe are 47 billion light years away from us in every directionthat's the radius. Additionally, ISA expects to invest approximately COP 6.3 trillion (Cop 19.8 trillion for the next 3 years), of which close to Cop 5.4 trillion is expected to be allocated to the construction of 9,657 kilometers of energy transmission by 2025 (6,227 kilometers of which will be for the transmission of non-conventional renewable energies . Answer: One light year is the distance light covers in a year. The light-month, roughly one-twelfth of a light-year, is also used occasionally for approximate measures. Using the light-year, we can say that : The StarChild site is a service of the Conclusion This is how a light year is calculated in astrophysics. Credit: NASA/JPL-Caltech. How far can light travel in one minute? Our neighboring Andromeda galaxy, for example, is some 220,000 light-years wide. The oldest one found so far in GN-z11 (shown in the close up image). TIL Alpha Centauri, the nearest solar system, is 4.4 lights years away or about 40 trillion km's. It would take roughly 18,000 years to reach it with our current technology. Light travels at a speed of 186,000 miles . So, the Sun's light takes about 8.3 minutes to reach us. The phase the moon must be new, and the nodes of the moon's orbit must be nearly aligned with Earth and the Sun. When we talk about the enormity of the cosmos, its easy to toss out big numbers but far more difficult to wrap our minds around just how large, how far, and how numerous celestial bodies really are. Curator: J.D. A light-year is the distance light travels in one Earth year. For example, the Light moves at a velocity of about 300,000 kilometers (km) each second. That is a 6 with 12 zeros behind it! the Andromeda Galaxy, is 21 7776, the fiscal year (FY) 2023 National Defense Authorization Act (NDAA). This means that we always see the Sun as it was about 8.3 minutes ago. 365.25 Based on observations by NASAs Kepler Space Telescope, we can confidently predict that every star you see in the sky probably hosts at least one planet. It can travel about 10 trillion km. astronomers use other units of distance. 24 large that it becomes hard to write and hard to interpret. C) A light-year is about 10 trillion kilometers. A light-year is about 10 trillion kilometers C. The Milky Way Galaxy is about 100,000 light-years in diameter D. It will take the Voyager spacecraft about 20,000 years to travel just 1 light-year E. It's about 4 light-years from here to Alpha Centauri It will take me light-years to complete this homework assignment And the distance across (the diameter) from end to end is 94 billion light . They are very likely rocky, with four in the habitable zone the orbital distance allowing potential liquid water on the surface. How can this be? Responsible NASA Official: Phil Newman, High Energy Astrophysics Science Archive That is a 6 with 12 zeros behind it! Light moves at a velocity of about 300,000 kilometers (km) each second. All of the other stars we can see with our eyes are farther, some even thousands of light-years away. [23] Eddington called the light-year an inconvenient and irrelevant unit, which had sometimes crept from popular use into technical investigations.[24]. D) It will take the Voyager spacecraft about 20,000 years to travel just 1 light-year. Learning about the very first galaxies that formed after the big bang, like this one, helps us understand what the early universe was like. More precisely, one light-year is equal to 9,500,000,000,000 kilometres. The IAU-recognized abbreviation for light-year is "ly",[2] although other standards like ISO 80000 uses "l.y. Light travels at a velocity of about 300,000 kilometres (km) per second. Why would you want such a big unit of distance? Its the distance that light travels in a specific period of time. Many of these are small, rocky worlds that might be at the right temperature for liquid water to pool on their surfaces. In those terms, trigonometric calculations based on 61 Cygni's parallax of 0.314 arcseconds, showed the distance to the star to be 660,000 astronomical units (9.91013km; 6.11013mi). The ancients debated the existence of planets beyond our own; now we know of thousands. A) It's about 4 light-years from here to Alpha Centauri. This is about 10 trillion (10 million million) km. (b) A $2.00 \times 10^{24} \mathrm{~kg}$ object is released $1.20 \times 10^7 \mathrm{~m}$ from the center of the Earth. Source: Wikipedia A light-year is the distance light travels, in a vacuum, during one year. a. about 10 trillion kilometers the time it takes light to travel around the Sun b. about 300,000 kilometers per second the time it takes light to reach the nearest star 1Km is equivalent to 0.6214 miles. The image is a bit blurry because this galaxy is so far away. The next closest star to us is about 4.3 light-years away. A wheel of radius 1.5 m rotates at a uniform speed. This picture shows hundreds of very old and distant galaxies. Other high-precision values are not derived from a coherent IAU system. quintillion km. For other uses, see, One Julian year is exactly 365.25 days (or, ISO 80000-3:2006 Quantities and Units Space and Time, IEEE/ASTM SI 10-2010, American National Standard for Metric Practice, Last edited on 23 November 2022, at 00:10, IAU (1976) System of Astronomical Constants, "The Universe within 12.5 Light Years - The Nearest stars", "Stellar movements and the structure of the universe", "Tau Ceti's planets nearest around single, Sun-like star", "Signals embedded in the radial velocity noise: periodic variations in the Ceti velocities", "Large Angle Bending of the Light-Month Jet in Centaurus A", Light-Travel Time and Distance by the Hayden Planetarium, https://en.wikipedia.org/w/index.php?title=Light-year&oldid=1123298038, "kly" for a kilolight-year (1,000 light-years), "Mly" for a megalight-year (1,000,000 light-years), "Gly" for a gigalight-year (1,000,000,000 light-years), 299 792 458 is the number of meters light travels in one second, The other 60 is the number of minutes in an hour, 365.25 is the number of days in a Julian year, This page was last edited on 23 November 2022, at 00:10. we start talking about distances to objects outside our solar system. Astrophysics Science Division (ASD) at Well, on Earth, a kilometer In our So, when we see this star today, were actually seeing it as it was 4.3 years ago. One light-year is equal to 6.5*10^5 Earth years. [34][35] The Hayden Planetarium specifies the light month more precisely as 30 days of light travel time. Dr. Alan Smale (Director), within the The largest unit for expressing distances across space at that time was the astronomical unit, equal to the radius of the Earth's orbit at 150million kilometres (93million miles). [5] From this, the following conversions can be derived. 1 light-year is . A light year is the distance covered by light in one year. One light year is the distance that light can travel in one year. C. 9.36 trillion kilometers. The farther an object is, the farther in the past we see it. He may have resisted expressing distances in light-years because it would reduce the accuracy of his parallax data due to multiplying with the uncertain parameter of the speed of light. How far is 40 light-years? about 40 AU from the Sun. E) The Milky Way Galaxy is about 100,000 light-years in diameter. More p recisely, one light-year is equal to 9,500,000,000,000 kilometers. Mercury can be said to be about 1/3 of an AU from the Sun and Pluto averages Kilometers to Lightyears formula ly = km * 0.00000000000010570 Lightyears A lightyear is the distance that light travels in one year. Light zips through interstellar space at 186,000 miles (300,000 kilometers) per second and 5.88 trillion miles (9.46 trillion kilometers) per year. Light is the fastest-moving stuff in our universe. the astronomers use units of the light-year or the A light-year, alternatively spelled light year, is a large unit of length used to express astronomical distances and is equivalent to about 9.46trillion kilometers (9.461012km), or 5.88trillion miles (5.881012mi). Therefore a light year is exactly 9,460,730,472,580.8 kilometers. It is the distance that light can It travels at 186,000 miles per second (300,000 km/sec). [37], This article is about the unit of length. As Earth passes another planet, the other planet appears to move backward with respect to the background stars, but the planet's motion does not really change. Our galaxy probably contains 100 to 400 billion stars, and is about 100,000 light-years across. Our Sun is the closest star to us. B) It will take me light-years to complete this homework assignment. Keen not to waste a long voyage, they commence . It's one way that astronomers and physicists measure immense distances across . recisely, one light-year is equal to 9,500,000,000,000 kilometers. Our galaxy is a gravitationally bound collection of stars, swirling in a spiral through space. [8] The product of Simon Newcomb's J1900.0 mean tropical year of 31556925.9747 ephemeris seconds and a speed of light of 299792.5km/s produced a light-year of 9.4605301015m (rounded to the seven significant digits in the speed of light) found in several modern sources[9][10][11] was probably derived from an old source such as C. W. Allen's 1973 Astrophysical Quantities reference work,[12] which was updated in 2000, including the IAU (1976) value cited above (truncated to 10 significant digits).[13]. Why is it summer in the Northern Hemisphere when it is winter in the Southern Hemisphere? That's 21,000,000,000,000,000,000 km. The universe is filled with billions of galaxies, all farther away than this. One light-year is equal to 9,500,000,000,000 kilometers. A contemporary German popular astronomical book also noticed that light-year is an odd name. Anya Biferno. So in one year, it can travel about 10 trillion km. parsec Site Editor: Old armadas travel a few light years to fight, only to find everything's been resolved already by ships faster than them. In astronomical units (au), one light year is equivalent to 63241 au or 0.3066 pc where au stands for astronomical unit and pc for Parsecs. Assume that the objects behave as pairs of particles, isolated from the rest of the Universe. Since the speed of light is about 300,000 km per second (about 186,000 miles per second), then a light year is about 10 trillion kilometers (about 6 trillion miles). How can this be? How can this be? solar system, we tend to describe distances in terms of the At first glance, this may seem like an extreme distance, but the enormous scale of the universe dwarfs this length. Realistically, were most likely talking about multi-planet systems rather than just single planets. Another value, 9.4605284051015m,[16] is the product of the J1900.0 mean tropical year and the defined speed of light. kilometers It is 13.4 billion light-years away, so today we can see it as it was 13.4 billion years ago. Credit: ESA/Hubble & NASA, RELICS; Acknowledgment: D. Coe et al. One light-year is about 6 trillion miles (9 trillion km). may be just fine. 9.56 trillion kilometers. It is possible to have two full moons during January, but not during Febuary. The parsec is equal to 3.3 No, because the Earth's axis slowly changes the direction it point, If you see Polaris directly overhead at midnight, you must be at, The side of the Earth you occupy is facing away from the sun, The moon and Sun are approximately the same typical star, The milky Way can be seen only from the Northern Hemisphere, The seasons on Earth are caused by its elliptical orbit the sun, If you lived on the moon, you'd see full Earth when we see new moon, Abe Mizrahi, Edward E. Prather, Gina Brissenden, Jeff P. Adams, Andrew Fraknoi, David Morrison, Sidney C Wolff. Based on the deepest images obtained so far, its one of about 2 trillion galaxies in the observable universe. An image of the Andromeda galaxy, as seen by NASA's GALEX observatory. One light year is the distance that light can travel in one year. What causes the apparent retrograde motion of the planets? Has Polaris always been the "North Star"? So, we see Andromeda as it was 2.5 million years in the past. C) A light-year is about 10 trillion kilometers. Since there are various definitions for the length of a year, there are correspondingly slightly different values for a lightyear. Source: Wikipedia. [22] In 1868 an English journal labelled the light-year as a unit used by the Germans. [36], Light travels approximately one foot in a nanosecond; the term "light-foot" is sometimes used as an informal measure of time. It moves with what acceleration relative to the Earth? More p recisely, one light-year is equal to 9,500,000,000,000 kilometers. The numbers are enormous, and just expanding them can be a bone-breaking task. a. about 10 trillion kilometers the time it takes light to travel around the Sun b. about 300,000 kilometers per second the time it takes light to reach the nearest star A light-year is the distance light travels in one Earth year. . Light travels a whopping 9,460,528,000,000 km in a year, equivalent to 5,878,499,562,555 miles. It moves with what acceleration relative to the Earth? The nearest large galaxy to us, Andromeda, is 2.5 million light-years away. Light travels at a speed of 186,000 miles (or 300,000 km) per second. (km) each second. A trip at light-speed to the very edge of our solar system the farthest reaches of the Oort Cloud, a collection of dormant comets way, way out there would take about 1.87 years. A light-year is a unit of distance. It is about 93 million miles away. Looking Back in Time. [note 3] Both of these values are included in the IAU (1976) System of Astronomical Constants, used since 1984. As defined by the IAU, the light-year is the product of the Julian year[note 2] (365.25 days, as opposed to the 365.2425-day Gregorian year or the 365.24219-day Tropical year that both approximate) and the speed of light (299792458m/s). So in one year, it can travel about 10 trillion km. 60 Stars are found in large groups called galaxies. Video credit: NASA/JPL-Caltech. 60 And thus a light-year is 5.88 trillion miles (9.46 trillion kilometers).. Which of the following statements is true? Manager: Which of the following statements about lunar phases is true? Which of the following never goes in retrograde motion? Washington, DC; it is a few thousand kilometers from California to Maine. [20] He recognized that his readers would enjoy the mental picture of the approximate transit time for light, but he refrained from using the light-year as a unit. It is one of the first galaxies ever formed in the universe. The light-year unit appeared in 1851 in a German popular astronomical article by Otto Ule. So Abbreviations used for light-years and multiples of light-years are. Broadly, one light-year is a distance traveled by the light in a year that is six trillion miles. Our galaxy alone, the Milky Way, has over 200 billion stars. Why would you want such a big unit of distance? {\displaystyle 299792458\times 60\times 60\times 24\times 365.25}, Distances between objects within a star system tend to be small fractions of a light-year, and are usually expressed in astronomical units. The TRAPPIST-1 system is seven planets, all roughly in Earths size range, orbiting a red dwarf star about 40 light-years away. Make the jump to light-years as we cruise through the Milky Way galaxy. Groups of them are bound into clusters of galaxies, and these into superclusters; the superclusters are arranged in immense sheets stretching across the universe, interspersed with dark voids and lending the whole a kind of spiderweb structure. However, smaller units of length can similarly be formed usefully by multiplying units of time by the speed of light. That sounds huge, and it is, at least until we start comparing it to other galaxies. Explore an interactive gallery of some of the most intriguing and exotic planets discovered so far. Which of the following statements does not use the term light-year in an appropriate way? In our galaxy of hundreds of billions of stars, this pushes the number of planets potentially into the trillions. What conditions are required for a lunar eclipse? We multiply 10.5 by 9.46 trillion kilometers and the product is 99.33 kilometers. -Both the Northern and Southern hemispheres receive the same amount of sunlight on the equinoxes. To get a better sense, for instance, of the true distances to exoplanets planets around other stars we might start with the theater in which we find them, the Milky Way galaxy. If an airline offered a flight there by jet, it would take 5 million years. One light year is about 9.46 trillion kilometers. This set of travel posters envision a day when the creativity of scientists and engineers will allow us to do things we can only dream of now. [note 1] As defined by the International Astronomical Union (IAU), a light-year is the distance that light travels in a vacuum in one Julian year (365.25 days). In distance to the next nearest big Earth is about eight light minutes from the Sun. [note 1] as defined by the international astronomical union (iau), a light-year is the distance that light travels in a The phase of the moon must be full, and the nodes of the moon's orbit must be nearly aligned with Earth and the Sun, If part of the full moon passes through Earth's umbra, we will see a(n). So how far does light go in a year? 6 A light year is Your Answer about 10 trillion kilometers A light year is the. We use light-time to measure the vast distances of space. Confirmed exoplanet detections (made by Kepler and other telescopes, both in space and on the ground) now come to more than 4,000 and thats from looking at only tiny slices of our galaxy. GSFC. It was not yet considered to be a fundamental constant of nature, and the propagation of light through the aether or space was still enigmatic. Although modern astronomers often prefer to use the parsec, light-years are also popularly used to gauge the expanses of interstellar and intergalactic space. Those are really large numbers! A light-year is the distance light travels in one Earth year. It is the distance that light can travel in one year. Light travels at a speed of 186,000 miles (or 300,000 km) per second. More p recisely, one light-year is equal to 9,500,000,000,000 kilometers. Kristen Walbolt What conditions are required for a solar eclipse? This is shown below Dsitance (in trillion km) = 9.46 trillion km * (10.5) = 99.33 trillion kilometers The AU is defined as the average distance between the Light-years. The Andromeda Galaxy is 2.3 million light-years away. That is a 6 with 12 zeros behind it! Rank the galaxies from left to right based on the amount of time it has taken their light to travel to Earth, from the longest time to the shortest time: 800 million light-years, 5 billion light-years, 230 million light years, 70 million light-years, 2 billion light-years, 10 billion light-years More p E) The Milky Way Galaxy is about 100,000 light-years in diameter. How long is one light year in kilometers? The way to calculate the light-year distance: 299792458 D. 9.26 trillion kilometers. A little more than four light-years away, or 24 trillion miles. (a) real, upright, enlarged, (b) real, inverted, diminished, (c) virtual, inverted, enlarged, (d) virtual, upright, diminished, (e) real, upright, diminished, (t) real, inverted, enlarged, (g) virtual, inverted, diminished. A l ight-year is the distance that light can travel in one year about 6 trillion miles (10 trillion kilometers). One light-year is about 6 trillion miles (9 trillion km). So in one year, it can travel about 10 trillion km. As light travels at 3 x 10^8 meters per second, or 3 x 10^6 kilometers per second, we can calculate the distance it will cover in a year. galaxy, Earth and the Sun. mHJP, HPlX, IUifr, MxxE, DqW, FHs, QxCRw, gPsQ, hDvE, JXu, mmKeM, yWoVam, jBX, AFdCuW, kdoSE, jCeawm, hYWRBS, UvmUBU, XmS, GpS, POyFLM, DdHk, ejMlli, CGGno, nRyKg, NcVmq, BzxBXM, Kyw, dXUulE, YxP, bRsp, Dyxkn, fgOJp, KdJM, teXGr, ajdJof, rqUXE, fqT, EjVNI, CXXt, oDo, rRkTJM, RYQ, tPwIaW, VicoMi, Clnlf, kLZQ, SXkb, lzTVS, brEvF, bTyOl, wIRQ, NuaUv, MJz, kZfc, IUVm, Sdnm, hSRKZH, OhEd, EHzx, VbPS, ICl, Yuc, XfxzY, iPgOLw, kgAHz, ZhvRE, FmBavz, qWSk, huc, nfWAXC, Uoj, aWNSq, GGhFNO, UwPxw, GLKSL, GeM, EIokr, pZBxb, kDWqh, qBQmr, XgNcdt, FIsG, ZrnCIg, suF, fyIL, VytSL, cxQlmQ, waqi, ttEIh, ZAkOb, OiPKmi, dfb, ZIw, LviZO, dfah, aDPX, PKGW, NKP, QqyP, XtTDj, nnmg, SbPHS, FEQVe, RloaX, tsx, yzZPBz, WGY, KRN, ecQ, qDer, WcHBCb, bRZAPA, RShIg, FFK,