Sky Science

2. A star which suddenly flares up to many times its original brightness before fading again.
5. A cloud of gas and dust.
6. A belief that links the positions of the stars and planets to human destinies. It has no scientific background.
8. A self-luminous object that shines through the release of energy produced by nuclear reactions at its core.
11. The bright surface of the Sun.
12. When our view of one object in the sky is blocked by either another object or the Earth's shadow.
14. Any small object in Outer Space, such as dust or a rock.

1. A grouping of stars which have been given names by ancient astronomers because of the way they look.
3. A group of stars, gas and dust held together by gravity.
4. The lowest part of the Earth's atmosphere.
7. An area in the Earth's upper atmosphere which absorbs many of the lethal radiations coming from space.
9. A rock, or Minor Planet orbiting the Sun.
10. A small, frozen mass of dust and gas revolving around the sun.
13. An object moving around a star.