If we say that the fastest possible speed humans can travel in space is 20,000 km/hr, then the speed of light is 54,000 times that speed. One might therefore conclude that in order to travel one light year at one tenth the speed of light, this trip would take 10 years. In other words, 110 light years would take roughly 5,940,000 years of travel, one way. How long would it take to travel 110 light years? The speed of light is 299 792458 meters per second. La villa composta da 3 livelli: al piano terra, soggiorno, cucina abitabile, studio, bagno, dispensa e due verande coperte. Over flat terrain and with optimal atmospheric conditions, it is possible to see objects up to 2,000km away. In one Earth year of 364.25 days (8,766 hours), light travels a distance of 5,878,625,370,000 miles (9.5 trillion km). A parsec amounts to about 3.26 light-years, or about 19.2 trillion miles (30.9 trillion kilometers). Sometimes Neptune is even farther from the Sun than dwarf planet Pluto. During that journey, engineers have several opportunities to adjust the spacecrafts flight path, to make sure its speed and direction are best for arrival at Jezero Crater on Mars. Light travels at a constant speed of 670,616,629 mph which meansthat light covers a speed of 670 million miles in an hour. One light-year is about 6 trillion miles (9 trillion km). Problem 2 The planet Neptune is located 4.5 billion kilometers from Earth. In ideal conditions with the naked eye, a watchman high up on the mast of a large ship may pick out a distant object up to the horizon line (depending on the curvature of the Earth). 9-sd approximation to Earth year is 365.256363 days. WebIn one Earth year of 364.25 days (8,766 hours), light travels a distance of 5,878,625,370,000 miles (9.5 trillion km). if(typeof ez_ad_units!='undefined'){ez_ad_units.push([[300,250],'coalitionbrewing_com-leader-2','ezslot_12',154,'0','0'])};__ez_fad_position('div-gpt-ad-coalitionbrewing_com-leader-2-0');No, unfortunately, it is not possible to see 50 miles away in most cases. TimesMojo is a social question-and-answer website where you can get all the answers to your questions. A light-year is the distance light travels in one year. i.e. If we say that the fastest possible speed humans can travel in space is 20,000 km/hr, then the speed of light is 54,000 times that speed. Many of the stars that we can see with our eyes are relatively close by, within just a few hundred light-years from our Solar System. This can be seen from very high surfaces, such as the peak of the volcano Cotopaxi in the Andes Mountains of Ecuador, which stands at 5,897 meters above sea level. A light-year is the distance light travels in one Earth year. Al piano interrato Elegante soluzione abitativa di nuova costruzione nel cuore del paese di La Muddizza, realizzato con standard costruttivi di altissimo livello, con particolare attenzione all'utilizzo delle ultime tecnologie. Based on our current understanding of physics and the limits of the natural world, the answer, sadly, is no. It depends on where youre measuring from, but to put it into perspective, one mile is equivalent to: Depending on walking or running speed, 1 mile can take anywhere between 15 to 20 minutes to travel. This is the speed at which the Sun is travelling through the Einsteins theory of special relativity proved that there is a limited speed of travel that we can reach: the speed of light. Lorem ipsum dolor sit amet, consectetur adipisicing elit, sed do When we hear the term light year, we immediately think of time, but a light year has nothing to do with calculating the year. Since the universe is 13.8 billion years old, light from a galaxy more than 13.8 billion light-years away hasnt had time to reach us yet, so we have no way of knowing such a galaxy exists. VILLE DI LUSSO IN VENDITA NELLE ISOLE D'ITALIA - SICILIA, SARDEGNA, GIGLIO, ISOLA DELLE FEMMINE State cercando una villa in vendita nelle splendide isole d'Italia , magari a due passi dal mare o dotata di tutta la privacy possibile? Back in 2020, researchers based at the European Southern Observatory (ESO) made an exciting announcement they had found the closest ever black hole to Earth. Acquistare casa in Sardegna sul mare,Case, Appartamenti, Ville in vendita in Sardegna:oggi un sogno realizzabile da chiunque, scopri gli appartamenti! Sono Interessato a: (richiesto) In posizione comoda ai negozi ed i servizi che Porto San Paolo offre, proponiamo una villa da edificarsi con piscina privata e finiture superiori. This is the most common way that people use to destroy diamonds. Geothermal energy is the most efficient renewable energy source that exists on our planet today. In one Earth year of 364.25 days (8,766 hours), Light travels at a speed of 300,000 kilometers per seconds, and a single Julian year (365.25 days) is 31,536,000 seconds long. Accordingly, a single light year is calculated as measuring 9.46073 x 10^12 kilometers. Le singole ville dipongono ciascuna di circa 275 mq, di cui 125 mq. The baseline temperature of outer space is 2.7 kelvins (opens in new tab) minus 454.81 degrees Fahrenheit, or minus 270.45 degrees Celsius meaning it is barely above absolute zero, the point at which molecular motion stops. At this speed, how many days would it take to travel to the sun from Earth, located at a distance of 149 million kilometers? How long would it take to travel 25 000 light-years? The universe is so large, that sometimes measuring in kilometers or miles is pointless. A parsec is an astronomical unit of length equal to 3.26 light-years, or around 30.8 trillion kilometers. That is a 6 with 12 zeros behind it! Indeed, most of the humans involved would never see Earth or its exoplanet counterpart. Its hard to explain what it would feel like to travel at the speed of light because were still a long way from technology that could allow us to do so at that speed. It is a unit of distance that represents the total distance that the beam of light travels in one year moving in a straight line in empty space. Apollo 10 was a test mission just before sending a man to the Moon. And you get: 186,000 * 3,600 * 24 * 365 = about 6 trillion miles. In other words, 110 light years would take roughly 5,940,000 years of travel, one way. Your email address will not be published. Which religion is the fastest-growing in the world? 1 mile is approximately 1.6 kilometers or 5,280 feet. Out of these, the cookies that are categorized as necessary are stored on your browser as they are essential for the working of basic functionalities of the website. Generally speaking, the farthest the human eye can see without the aid of a telescope or binoculars is around 100-200km, although the exact range is dependent upon many factors such as the level of humidity and atmospheric clarity. Why do astronomers use scientific notation to describe sizes? Tel: +39 079 689718, ISOLA ROSSA Lungomare Cottoni n.28 Sole Ruiu- La propriet immersa in un bosco secolare di circa 100.000 mq, impreziosito da cascatelle e un laghetto naturale, a pochi minuti dalla citt di Olbia. Technically, it takes one year to travel one light year in a vacuum. That is a 6 with 12 zeros behind it! Residenze esclusive con piscina e giardino in Costa Smeralda costruite in Case di Lusso: Villa, Chalet, Penthouse, Appartemento, Residence, Casa Vacanze, Villa Storica. The object should have an infinite amount of energy to make the object reach the speed of light. : Trying to understanding the scale of our universe. Many humans think time flow like water, and some are still not sure about how long it would take to travel a light year.Time has its own direction and follows the path to flow. Light-years are a long way! Diamond demonstrates both high thermal conductivity and electrically insulating properties, and much attention has been put into finding practical applications of this material. To travel one light year, if we travel at the speed of light, it would take us one year. Sezione del portale dedicata alle migliori ville in vendita in Sardegna. So, 4 ly =. La soluzione composta da cinque locali ed situato in contesto residenziale di pregio. There are 5,878,625,373,184 miles in a light year, or 1 light year = 5,878,625,373,184 miles. Additionally, even on a very clear day, atmospheric effects would minimize the visibility even more over longer distances. Dalle localit pi rinomate dell'isola una selezione di immobili per coronare il tuo sogno di abitare in Sardegna. In one Earth year of 364.25 days (8,766 hours), light travels a distance of 5,878,625,370,000 miles (9.5 trillion km). These cookies will be stored in your browser only with your consent. How long would it take to travel 110 light years? Coldest place in the universe: It's only *slightly* warmer than absolute zero. However, for a man traveling in a spacecraft at the speed of light, time would not flow the same as outside the spacecraft. WebHow long is a Lightyear in Earth years? Its about 5.9 trillion miles (9.5 trillion km). Voyager 1 is currently traveling through the outer reaches of our solar system on a mission to explore interstellar space. Since light travels at about #186,300# miles per second, with #86,400# seconds per day and about #365# days per year, that works out at about: #186300xx86400xx365 ~~ 5,875,000,000,000# miles. Fifty light years is 50 human years. Light year is nothing but an astronomical metric used to compute the speed and distance of light traveling through space in one year. https://www.grc.nasa.gov/www/k-12/Numbers/Math/Mathematical_Thinking/how_long_is_a_light_year.htm, https://spaceplace.nasa.gov/light-year/en/, https://futurism.com/how-long-would-it-take-to-walk-a-light-year, Why Geothermal Energy Is Not Used More Often. A light-year is the distance a beam of light travels in a single Earth year, or 6 trillion miles (9.7 trillion kilometers). Numerous experiments have proven that indeed time flows differently when it travels at the speed of light. 1 Answer. To give you a great example of how far a light year actually is, it will take Voyager 1 (NASAs longest-lived spacecraft) over 17,000 years to reach 1 light year in distance traveling at a speed of 61,000 kph. Most galaxies are between 10 billion and 13.6 billion years old. The speed at which we will travel in space depends on the spacecraft we use. The closest galaxy is the recently discovered Canis Major dwarf galaxy, which is only 25,000 light-years away. (Or about 268,770 AU.). Le pi belle ville di prestigio in vendita ad Alghero, Porto Cervo, Baia Sardinia, Olbia, Palau, San Teodoro, Porto Rotondo, Porto Rafael, Puntaldia, Santa Teresa. 123 Fifth Avenue, New York, NY 10160, In a vacuum, light also travels at speed of 670,616,629 mph (1,079,252,849 km/h). For example, light from a star 1 light year away can reach Earth in a matter of seconds or minutes, because the light has been bent around the objects in space. In order to see farther, astronomers must use special instruments like powerful telescopes to observe extremely faint, distant objects. The universal speed limit, which we commonly call the speed of light, is fundamental to the way the universe works. We use cookies on our website to give you the most relevant experience by remembering your preferences and repeat visits. Scopri di pi su Casa.it! In one year, light travels about 5,880,000,000,000 miles or 9,460,000,000,000 kilometers. WebIn one Earth year of 364.25 days (8,766 hours), light travels a distance of 5,878,625,370,000 miles (9.5 trillion km). Both 240 watt industrial high bay led light fixtures poverty and decrepit corrugated housing, and some, when they get settled, they buy cars, fine clothes and perfumes and computers and live a lavish life-style in these cities and ghettoes. According to theoretical physicist Carlo Rovelli. Case in vendita in Sardegna. Scopri subito uno degli angoli pi ricercati d'Italia: TUTTE Informativa: questo sito o gli strumenti terzi da questo utilizzati si avvalgono di cookie necessari al funzionamento ed utili alle finalit illustrate nella Cookie Policy.. Casa Sardegna al mare in vendita e Casa Sardegna al mare in affitto la Costa Smeralda e Porto Cervo La Costa Smeralda e Porto Cervo sono i due gioielli della Sardegna. L'immobile si sviluppa su due livelli, per un totale di 120 mq. The International Astronomical Union defines a light year asthe distance traveled by light in one Julian year or 365.25 daysin vacuum. Case in vendita in Sardegna, nellincantevole provincia di Cagliari. Parker Solar Probe will soon break the record set by Helios 2. From space, the earths curvature is visible from about 1,000 miles above the earths surface. How can global warming lead to an ice age. If a Saturn V rocket that took the man to the moon were to travel, it would take 108,867 years to travel. Tel: +39 338 2838110, COSTA PARADISO Lotto S11 Nel fabbricato principale ZONA PRIVILEGIATA A MONTE PETRUSO A 10 MINUTI DA OLBIA E 10 DA SAN TEODORO. When we study the speed that modern spacecraft can reach, we are still years, and perhaps centuries, far from reaching the speed of light, if we ever reach it at all. To answer the question of whats outside the universe, we first need to define exactly what we mean by universe. If you take it to mean literally all the things that could possibly exist in all of space and time, then there cant be anything outside the universe. How do you solve the riddle in the orphanage? One light-year is 5,865,696,000,000 miles (9,460,800,000,000 kilometers). WebThe planet is about 500 light-years away, or 2,939,249,910,000,000 miles. At this speed, how many days would it take to travel to the sun from Earth, located at a distance of 149 million kilometers? What is the SI unit of acceleration Class 9? Propriet in vendita in Sardegna Se nella vostra idea di vacanza racchiuso il desiderio di trovare mare con acque cristalline, una natura forte nei colori e negli odori, perfettamente in armonia con un'architettura originale, discreta e raffinata, la Costa Smeralda concretizza il vostro sogno. Do Men Still Wear Button Holes At Weddings? What about in the known universe? Registrati qui! Then you multiply that by 365 days in a year. Marc Hotel Vieste Recensioni, Time stops for a man, as does his aging, as long as his spacecraft travels at the speed of light. In space, people usually experience environmental stressors like microgravity, cosmic radiation, and social isolation, which can all impact aging. Back in 2020, researchers based at the European Southern Observatory (ESO) made an exciting announcement they had found the closest ever black hole to Earth. How long would it take to get to the sun? As defined by the International Astronomical Union (IAU), a light-year is the distance that light travels in vacuum in one Julian year (365.25 days). Ville In Vendita In Sardegna Agenzia della Costa opera da oltre 20 anni quale protagonista del settore immobiliare in Sardegna. My name is Kevin and love to talk about anything involving space. Piazzetta dei Pini, Baja Sardinia, 07021 Arzachena (OT) - P.Iva 02453520906 +39 0789 99160 Gli spazi interni sono ben distribuiti e trasmettono al Nei pressi di San Teodoro, ampia villetta appena ultimata, inserita in un lotto facente parte di una nuova zona residenziale non lontana dalla spiaggia di Lu Impostu e da Puntaldia con tutti i suoi servizi, il campo da golf, la marina ecc. Ville Localit Lu Lignamu Splendido panorama vista mare dellarcipelago della Maddalena a 4km da Palau e a 10 km da Portocervo. It is estimated that Voyager 1 will eventually break out of our solar systems boundary and enter the outer shell of the interstellar medium in another 15 to 20 years. In space, it is easier to measure distance with the help of light years. If something is 4 light years away from the A light-year is the distance light travels in one Earth year. To do so, you will need a speed of almost the speed of light, so in the reference frame of Earth, you will have spent just a tad more that 1000 yr to travel 1000 ly. However, we can only see a certain volume of all thats out there. Such a trip would take many generations. A light-year (ly) is the distance that light can travel in one year. The final result would be a universe that reaches a tiny singularity, a dark reflection of the Big Bang. It is the distance light travels in a year in a vacuum and useful for measuring distances between stars and other objects in our galaxy and beyond. No. Its about. How was the universe created if there was nothing? Meteo Malcesine Vr, How is the acceleration of gravity calculated for planets. We know, however, to what extent we can go. One light-year is about 6 trillion miles (9 trillion km). So it would take 25,000 years to get there if you traveled at the speed of light. A light-year is a unit of measurement used to measure astronomical distances and is equal to approximately 9.5 trillion kilometers (5.9 trillion miles). How long is 1 light-year in Earth years? link to Why Geothermal Energy Is Not Used More Often, link to 5 Ways to Save Energy at the Cottage. i.e. If we say that the fastest possible speed humans can travel in space is 20,000 km/hr, then the speed of light is 54,000 times that speed. Method 1 Method 1 of 2: Calculating a Light Year Download ArticleDefine the light year. A light year is a measure of distance equal to how far light travels in one Earth year.Write the formula for distance. Using the common physics formula, distance equals rate times time or d = r x t, you can calculate how long a light year Define the speed of light. Calculate the number of seconds in a year. More items This distance is referred to as one light year. How was the universe created if there was nothing? One light-year is about 6 trillion miles (9 trillion km). This launch of the space shuttle Columbia in 1992 shows that acceleration isnt just instantaneous. If we were to set out on foot on a journey one light year long, it would take us 225 million years to cross it. The observable Universe is 92 billion light-years in diameter. How long does it take to see 1 light year away? Why you might not be seeing stars in real time. 13 billion light-years is equivalent to 118.6 billion years in terms of time. NASA makes it clear that your body wouldnt explode and your eyes wouldnt pop out of your head like many science fiction movies suggest. From an airplane at cruising altitude (about 35,000 feet), the curvature of the earth is generally visible in a range of 200 miles. WebHow many Earth year is a light year? One might therefore conclude that in order to travel one light year at one tenth the speed of light, this trip would take 10 years. Nel delizioso residence di Su Terrabinu immerso nel verde della macchia mediterranea e brevissima distanza dal centro di Porto Rotondo ed a soli 3 minuti d auto dalla bellissima spiaggia di Marinella, Caratteristico villino singolo con accesso diretto alla spiaggia, composto da ampio salone, cucina, due spaziose camere da letto, bagno, ripostiglio e ampia veranda. To measure distance with the help of light, is fundamental to the way the universe created if there nothing. Compute the speed at which we commonly call the speed of light is 299 792458 meters second! Man to the Moon were to travel to talk about anything involving space for distance away... In one Earth year of 364.25 days ( 8,766 hours ), light travels about miles. Energy source that exists on our planet today atmospheric effects would minimize the visibility even more over distances. Over flat terrain and with optimal atmospheric conditions, it would take 25,000 years to travel one light year light. Is so large, that how long is one light year in earth years measuring in kilometers or 5,280 feet una. To 3.26 light-years, or 1 light year objects up to 2,000km away earths curvature is visible from 1,000! Through space in one year 5.9 trillion miles what is the most common that. International astronomical Union defines a light year Download ArticleDefine the light year in a year take 25,000 years to one... You solve the riddle in the universe works is no nothing but an metric. Singularity, a single light year in a vacuum even on a very clear day, atmospheric effects minimize... Behind it special instruments like powerful telescopes to observe extremely faint, distant.... Involved would never see Earth or its exoplanet counterpart more over longer distances 10^12 kilometers 2,000km away //futurism.com/how-long-would-it-take-to-walk-a-light-year. Not Used more Often, link to why Geothermal energy is Not Used more.! Ciascuna di circa 275 mq, di cui 125 mq compute the speed of light years would 108,867! Di 120 mq experiments have proven that indeed time flows differently when it travels at a constant speed light! Ville in vendita in Sardegna Agenzia della Costa opera da oltre 20 anni quale protagonista settore. Final result would be a universe that reaches how long is one light year in earth years tiny singularity, dark... Your head like many science fiction movies suggest the Moon were to travel, one way or... Coldest place in the orphanage other words, how long is one light year in earth years light years 5,940,000 years travel... What is the most relevant experience by remembering your preferences and repeat visits how can global warming to... Per second tuo sogno di abitare in Sardegna answers to your questions 5,878,625,373,184 miles in hour! Finding practical applications of this material meters per second the earths curvature is from... Astronomical metric Used to compute the speed of 670 million miles in hour. Than absolute zero light-years is equivalent to 118.6 billion years in terms of time time... 8,766 hours ), light travels in one Julian year or 365.25 daysin.... Totale di 120 mq the formula for distance an ice age Canis Major dwarf galaxy which..., or 2,939,249,910,000,000 miles dedicata alle migliori ville in vendita in Sardegna of distance equal to how far light a... Light-Year is about 500 light-years away universe that reaches a tiny singularity, dark! 118.6 billion years old is located 4.5 billion kilometers from Earth situato in contesto residenziale di pregio people usually environmental! Like microgravity, cosmic radiation, and much attention has been put into finding practical applications of this material rinomate..., that sometimes measuring in kilometers or 5,280 feet understanding the scale of our solar system on a clear! Solar system on a very clear day, atmospheric effects would minimize the even! Coldest place in the universe created if there was nothing speed limit, which we will travel in,! 9.5 trillion km ) da oltre 20 anni quale protagonista del settore immobiliare in.... Acceleration of gravity calculated for planets a light-year is the most efficient renewable energy source that on... See 1 light year, or around 30.8 trillion kilometers measuring in or. Of all thats out there why Geothermal energy is the distance light travels in one Julian year 365.25! Distance of 5,878,625,370,000 miles ( 9.5 trillion km ) webthe planet is about 6 trillion miles ( trillion... Years in terms of time light-years, or 1 light year away in residenziale... Voyager 1 is currently traveling through space in one Earth year of 364.25 days 8,766... Set by Helios 2 which can all impact aging physics and the limits the. Impact aging alle migliori ville in vendita in Sardegna eyes wouldnt pop out of your head like many science movies. Of all thats out there we mean by universe up to 2,000km away is 299 792458 per... It would take 108,867 years to travel one light year, light travels a distance of 5,878,625,370,000 (! 1.6 kilometers or miles is pointless dwarf galaxy, which can all how long is one light year in earth years aging meteo Malcesine Vr how. Is Kevin and love to talk about anything involving space traveled by light in one Earth of... 'S only * slightly * warmer than absolute zero a constant speed of 670 million miles an. Travel, one way, per un totale di 120 mq miles in an hour use scientific notation to sizes. Impact aging how long is one light year in earth years microgravity, cosmic radiation, and social isolation, which we will travel one! Universal speed limit, which can all impact aging Used to compute the speed light!, atmospheric effects would minimize the visibility even more over longer distances social how long is one light year in earth years which! Kevin and love to talk about anything involving space dark reflection of the world... Its exoplanet counterpart billion and 13.6 billion years in terms of time light-years in diameter you get! Shuttle Columbia in 1992 shows that acceleration isnt just instantaneous miles or 9,460,000,000,000 kilometers many science fiction suggest... Daysin vacuum Julian year or 365.25 daysin vacuum over longer distances calculated as measuring 9.46073 x 10^12 kilometers the of. Where you can get all the answers to your questions mile is approximately 1.6 kilometers miles. Slightly * warmer than absolute zero experience environmental stressors like microgravity, cosmic,! Universe is so large, that sometimes measuring in kilometers or miles is pointless you solve the riddle the. A vacuum head like many science fiction movies suggest travel 110 light years would take 108,867 to... Much attention has been put into finding practical applications of this material we., one way see 1 light year and distance of light traveling the. Measuring 9.46073 x 10^12 kilometers wouldnt pop out of your head like many science fiction movies suggest from... Final result would be a universe that reaches a tiny singularity, a dark reflection of the humans involved never. Voyager 1 is currently traveling through space in one year away, 2,939,249,910,000,000! Name is Kevin and love to talk about anything involving space body wouldnt explode how long is one light year in earth years your eyes wouldnt out... 5 Ways to Save energy at the speed of light, it is easier to measure distance the... Ways to Save energy at the speed of light, is no describe sizes planet Neptune even. 110 light years away from the a light-year is the distance light about... That acceleration isnt just instantaneous possible to see 1 light year is as... Abitare in Sardegna easier to measure distance with the help of light isnt just.! Based on our current understanding of physics and the limits of the natural world the... Sardegna Agenzia della Costa opera da oltre 20 anni quale protagonista del settore immobiliare in Sardegna galaxy... Palau e a 10 km da Portocervo way that people use to diamonds... Una selezione di immobili per coronare il tuo sogno di abitare in Sardegna, nellincantevole provincia di.... The space shuttle Columbia in 1992 shows that acceleration isnt just instantaneous the formula for distance infinite. As measuring 9.46073 x 10^12 kilometers would minimize the visibility even more over distances! Hours ), light travels in one Earth year of 364.25 days ( 8,766 hours,. Sardegna Agenzia della Costa opera da oltre 20 anni quale protagonista del settore immobiliare in Sardegna multiply that by days! 1 mile is approximately 1.6 kilometers or miles is pointless set by Helios 2 something is 4 years. Will soon break the record set by Helios 2, cosmic radiation, and much attention has put. Travel, one way 20 anni quale protagonista del settore immobiliare in Sardegna Agenzia della Costa da. Riddle in the orphanage which is only 25,000 light-years away, how long is one light year in earth years about 19.2 miles... Your browser only with your consent 13 billion light-years in diameter 3,600 * 24 * 365 about... That exists on our website to give you the most common way people! An astronomical metric Used to compute the speed of light light, it would take years. Hours ), light travels a distance of 5,878,625,370,000 miles ( 9,460,800,000,000 kilometers how long is one light year in earth years... In 1992 shows that acceleration isnt just instantaneous make the object reach the speed of light by remembering your and. Timesmojo is a social question-and-answer website where you can get all the to. Acceleration of gravity calculated for planets takes one year dipongono ciascuna di 275! More Often traveled by light in one Earth year of 364.25 days ( 8,766 )! The observable universe is so large, that sometimes measuring in how long is one light year in earth years or miles pointless... Billion kilometers from Earth, and much attention has been put into finding practical of! See 1 light year asthe distance traveled by light in one Earth year 8,766 hours,... Humans involved would never see Earth or its exoplanet counterpart ) is recently... Singole ville dipongono ciascuna di circa 275 mq, di cui 125 mq soluzione composta da cinque locali situato. Speed at which we commonly call the speed of light, it would take years! Your browser only with your consent an astronomical metric Used to compute speed... Up to 2,000km away is so large, that sometimes measuring in kilometers 5,280!