Astronomy Sentence Completion

1. The moon ____ around the Earth.

a. spins

b. orbits

c. rotates

d. shines

2. The closest planet to the Sun is ______.

a. Venus

b. Earth

c. Jupiter

d. Mercury

3. The Earth spins around its _____.

a. axis

b. equator

c. North Pole

d. Arctic Circle

4. Planets orbit around _____.

a. other planets

b. moons

c. stars

d. black holes

5. When the sun is blocked by the moon moving in front of it during the daytime, this is called a solar ____.

a. eclipse

b. flare

c. system

d. year

6. _____ is the largest planet in the solar system. 

a. Neptune

b. Uranus

c. Pluto

d. Jupiter

7. A _____ is made of dust and ice.

a. planet

b. comet

c. asteroid

d. moon

8. A _____ is a giant group of stars. 

a. solar system

b. galaxy

c. black hole

d. big bang

9. _____ are people who travel into space on missions. 

a. engineers

b. astronomers

c. astronauts

d. rocket scientists 

10. _____ are people who study the stars and universe. 

a. engineers

b. astronomers

c. astronauts

d. rocket scientists