Stuff in Space

3. The appearance that objects in the night sky move against the typical direction of motion
4. A very small star with low temperature, reddish in color.
6. A celestial body of hot gases that radiates energy derived from thermonuclear reactions in the interior.
7. The two days of the year on which neither hemisphere is tilted toward or away from the sun.
8. A pattern of stars in the sky
10. A system of millions or billions of stars, together with gas and dust, held together by gravitational attraction.
12. A star that has collapsed under its own gravity
13. A piece of interplanetary material that falls toward Earth and enters its atmosphere.
14. The presumed final stage of a white dwarf

1. The distance that light travels in one year.
2. The explosion of a dying giant or supergiant star.
5. The study of the moon, stars and other objects in space.
9. Occurs whenever the Moon passes behind Earth in relation to the sun.
10. The attractive force between two objects; the amount of force depends on their masses and the distance between them.
11. A small rocky body orbiting the sun