Relativity physics - When you talk about any Planet or Star and say that is 100 light years away from planet earth... Then no wonder many peoples Would think about what is
Earth Shaker - #AstroMeme How far is far? We often measure distances in space using astronomical units (AU) and light-years (ly) because of the superb distances. 1 Astronomical Unit (AU) - average
![India Science TV Channel on Twitter: "DID YOU KNOW❓ Light Year is a unit of measuring Stellar distance. Unlike the latter part of its name (year), it doesn't measure time. @drharshvardhan @IndiaDST @ India Science TV Channel on Twitter: "DID YOU KNOW❓ Light Year is a unit of measuring Stellar distance. Unlike the latter part of its name (year), it doesn't measure time. @drharshvardhan @IndiaDST @](https://pbs.twimg.com/media/E2YsnRYVoAQMa_z.jpg)