Q: Answer the question

What keeps Mars in orbit around the Sun?
OPTIONS:
- friction
- gravity
- magnetism
- solar power

A: gravity


Q: Answer the question

Which distance is the smallest for which it is most practical to use the light-year as a unit of measurement?
OPTIONS:
- the distance between Earth and its Moon
- the distance between Jupiter and the Sun
- the distance between the Milky Way and the nearest galaxy
- the distance between the Sun and the center of the Milky Way

A: the distance between the Sun and the center of the Milky Way


Q: Answer the question

In which structure is the Sun located?
OPTIONS:
- Milky Way Galaxy
- Andromeda Galaxy
- Cat's Eye Nebula
- Horseshoe Nebula

A:
Milky Way Galaxy