1. The sun's diameter is around _______
2. One complete orbit around the sun is called ________  or _______
3. When a meteoroid falls on the surface of the earth is called______
4. The jovian planets are ___________
5. The rotation of earth causes  _____ and ______.
6. Neil Armstrong landed on the moon in the year _____
7. The planet which has the red spot is _____
8.  The earth surrounded by blanket of air is called _____
9.  Stars are _______ bodies that emit there own heat and light.
10. Ursa Major is also called ______