Astronomy

4. eclipse, Blocking of Sun's light which can occur during a new moon.
6. a person who is trained to travel in a spacecraft.
7. Closest planet to the Sun
12. Complete shadow, the fully shaded inner region of a shadow cast by an opaque object, especially the area on the earth or moon experiencing the total phase of an eclipse.
13. Largest planet in the solar system
14. Layer of air, made up of many layers and gases surrounding the Earths and other planets' surface.
16. A satellite is a natural or man made object that orbits around a planet.

1. Partial shadow, lighter, outer parts of a shadow. the partially shaded outer region of the shadow cast by an opaque object.
2. the spinning of Earth in its axis.
3. Sixth planet to the Sun, second largest planet in the solar system.
5. the movement of one object around another object.
7. little chunks of rock and debris in space that falls through a planet’s atmosphere.
8. sunlight on its surface.
9. Largest objects in the Solar system which revolve around the Sun.
10. Second closest planet to the Sun. Sometimes called earth's twin.
11. eclipse, Blocking of Sunlight to the moon, this can occur during a full moon
15. small body of ice, rock and cosmic dust that follows an elliptical orbit around the Sun.
16. primary source of heat and energy for the solar system.