Space

4. What was said to have happened 14 billion years ago and is one of the reasons why life is like it is now?
6. The closer an object gets to you the closer the soundwaves are toghether. what is this called?
9. What contains millions and millionsof stars?
10. What is a luminous sphere of plasma and is held together by gravity?

1. What is a region of spacetime where gravity prevents anything from escaping?
2. What orbits the Earth once every 27.3 days?
3. What contains stars, plants and nearly everything known to scientists?
5. What looks lik a glowing band which lays across the night sky?
7. When an object is travelling towards you it is called Bueshift. What is it called when it is travelling away from you?
8. What is part of the solar system and is said to orbit a star?