A light-year is the distance light travels in a year. It is about 9.5 x 1015 meters.
Because they are so far away
Betelgeuse is about 640 light-years away from Earth.
Light can travel about 5.88 trillion miles in one lightyear.
It means how far light travels in a year.
scientists do not want people to know that there are aliens so they make stuff seem far away by saying oh its too far it's 65 light years awayrespect the outsiders
Roughly 5,868,700,000,000 miles. (rounded)
The type of telescope determines how far it can see into the sky. It becomes a question of details. A naked eye can see a lightyear away but not details. A standard telescope can see to the 10th magnitude while the eye can see to the 6th.
Buzz Lightyear
a mega lightyear
"Lightyear" is a noun. It is a unit of distance used to measure interstellar space.
A lightyear is a much larger distance.
Buzz Lightyear