![One light year is equal to the distance traveled by light in one year (through empty space). One light year = 1 ly = 6 trillion miles = 9.5 trillion. - ppt download One light year is equal to the distance traveled by light in one year (through empty space). One light year = 1 ly = 6 trillion miles = 9.5 trillion. - ppt download](https://slideplayer.com/slide/14734682/90/images/4/Calculating+a+light+year.jpg)
One light year is equal to the distance traveled by light in one year (through empty space). One light year = 1 ly = 6 trillion miles = 9.5 trillion. - ppt download
![A light year (ly) is a unit of distance defined as the distance light travels in one year. Numerically, 1 ly= A light year (ly) is a unit of distance defined as the distance light travels in one year. Numerically, 1 ly=](https://doubtnut-static.s.llnwi.net/static/web-thumb/645590290_web.png)
A light year (ly) is a unit of distance defined as the distance light travels in one year. Numerically, 1 ly=
![Although our Universe is very, very big, the stuff of which it is made is very, very small. - ppt download Although our Universe is very, very big, the stuff of which it is made is very, very small. - ppt download](https://images.slideplayer.com/22/6406604/slides/slide_12.jpg)
Although our Universe is very, very big, the stuff of which it is made is very, very small. - ppt download
![A few definitions Light year (ly): Distance light travels in one years (about 10 trillion km) Andromeda Galaxy – 2.4 million light years away. - ppt video online download A few definitions Light year (ly): Distance light travels in one years (about 10 trillion km) Andromeda Galaxy – 2.4 million light years away. - ppt video online download](https://slideplayer.com/slide/234600/1/images/2/A+few+definitions+Light+year+%28ly%29%3A+Distance+light+travels+in+one+years+%28about+10+trillion+km%29+Andromeda+Galaxy+%E2%80%93+2.4+million+light+years+away..jpg)