The Earth

2. The one and only star in our solar system is the...
4. This is how long it takes for light to travel from the sun to the earth (2 words).
5. The amount of time it takes for the Earth to spin around once (2 words).
8. The amount of time it takes to get from the Earth to the Moon (2 words).
10. This is what people have used to study space.
12. This is what we call the phase of the Moon when it is fully bright and appears perfectly round.

1. The amount of time it takes for the Earth to go around the sun (2 words).
3. The hottest planet.
6. The northern most point on the earth (2 words).
7. This is the coldest planet in our solar system
8. The number of people who have walked on the moon.
9. Venus has more of these than any other planet.
11. Scientists have sent these to Mars to explore the surface of the planet.