A location that is 100 light years away from Earth.
The distance to a star located 100 light years away from Earth is 100 light years.
It would take 100 Earth years for a signal to travel from a star located 100 light years away to reach Earth.
There are many places to find facts about life 100 years ago. You could find facts about life 100 years ago in a library.
Nobody knows the exactly the number of people who lived on earth in 100 years
Earth takes 1 year for 1 orbit around the sun. So, in 100 years, Earth can orbit the sun 100 times.
No one really knows when people started showing up on earth, but there has been people on earth for at least 100 million years!
It would take 100 years for a signal to travel from Earth to a star located 100 light years away.
100 million years
Guaranteed for 100 years with a potential life expectancy of 500 years.
100 years
about 100 years