Distances in Space Flashcards
1
Q
What is the distance from Earth to the Sun
A
about 150 million km
2
Q
How long does it take light from the Sun to reach the Earth?
A
8 minutes
3
Q
Why don’t we use km when measuring distances in space?
A
Because distances in space are so large, using km becomes impractical.
4
Q
What is the difference between an astronomical unit and a light year?
A
1 AU is the distance in space from Earth to the Sun (150 million km), 1 light year is the distance light travels in one Earth year (9 500 000 000 000 km or 63 240 AU)
5
Q
What are the million km from the Sun?
A
58, 108, 150, 228
6
Q
What are the million km from the Sun 2?
A
778, 1427, 2870, 4497
