Youtor
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Light Year @inertialclasses • light year is a unit of distance used in astronomy to describe how far light travels in one year. Since light travels at a speed of about 299,792 kilometers per second (or about 186,282 miles per second) in a vacuum, a light year is equivalent to approximately 9.46 trillion kilometers (about 5.88 trillion miles).Key Points About a Light Year:Measurement of Distance, Not Time: Despite its name, a light year measures distance, not time.Speed of Light: Light travels at a constant speed of approximately 299,792 kilometers per second.Astronomical Scale: Light years are used to express distances to stars, galaxies, and other celestial objects outside our solar system.Perspective: For example, Proxima Centauri, the closest known star to the Sun, is about 4.24 light years away. • #space #universe #science #cosmos #blackhole #youtubeshorts #shorts #trendingshorts #Inertialclasses #light year #milky way galaxy #anderomedagalaxy #like#subscribe #ton618 #monster of universe #repeating universe theory #sirRoger #stefanhowking #magnetic field #magnetic force#lightspeedy #lightyear #interplanetary
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