Across
- 2. The main element present in a star
- 4. Which nebula is the home of the iconic Pillars of Creation?
- 6. The type of stars in which all matter is compressed into a super-dense ball are _______ stars
- 7. When stars die, the explosion is known as a _________
Down
- 1. The color of a star is directly related to its ___________
- 3. Stars are born in a _______
- 5. About 90% of the known stars are a part of the ____ sequence