Light Years

Front

Light Years are a measure of: time, speed, distance, light

Back

distance

Front

A light year is...

Back

The distance light can travel in a year

Front

Scientist use Light years to measure objects in space rather than units such as Miles or Kilometers because of how massive the Galaxy and Universe is.

Back

True

Front

How long does it take light from Proxima Centauri to reach Earth?

Back

4.3 years

Front

A scale diagram of four galaxies is provided. Which galaxy has a diameter closest to 75,000 light years? Options: Galaxy JK23, Galaxy TO37, Galaxy RB17, Galaxy WD28

Back

Galaxy TO37

Front

To express the distance between the Milky Way galaxy and the Andromeda galaxy, the most appropriate unit of measure is the -

Back

light year

Front

If it takes 8.9 years for light produced on Carinae V602 to reach the sun, how far is Star X from the sun if Star X is 30 times as far from the sun as Carinae V602?

Back

267

Front

A person on an unknown planet that is 23 light years away looks at Earth through a telescope and sees a child's 2nd birthday party. How old is that child in actuality?

Back

25 years old

Front

If a star is 2.8 light years away, when would we know it died?

Back

2.8 light years after

Front

How far is the Earth from the Sun?

Back

8 light minutes