Astro 104 Word Puzzle

3. a broad band of light that stretches across the night sky
5. A type of dying star, larger than the Sun, but smaller than the biggest stars, glowing red
6. A group of stars or galaxies bound by gravity, or even a bunch of grapes
9. a situation where multiple distinct states within a system have the exact same energy level
10. A spherical body that orbits a star, such as Earth, Jupiter, or Saturn
11. The faint glow of stars and galaxies left over from the early universe, emerging from the dark ages
14. This process powers stars like the Sun and creates heavier elements from lighter ones

1. A region of space where gravity is so strong that nothing, not even light, can escape
2. The phenomenon that causes the light from distant galaxies to shift to longer wavelengths
4. A mysterious substance thought to make up a large portion of the universe's mass
7. A measure of astronomical distance, equal to the distance light travels in one year
8. A famous scientist who formulated the laws of planetary motion
12. A massive explosion marking the death of a star
13. A chemical element crucial for star formation, formed after the Big Bang