Life Cycle of a Star

5. a cosmic body of extremely intense gravity from which even light cannot escape(2 words)
11. a space telescope launched in 2021 that is designed primarily to conduct infrared astronomy(4 words)
13. this is also known as the North Star
16. clouds that form new stars (2 words)
17. the collapsed core of a massive supergiant star(2 words)

1. how astronomers explain the way the universe began(3 words)
2. a star with an initial mass of 0.5 to 8 times that of Earth's sun(2 words)
3. a star with an initial mass of over 8 times that of the Earth's sun(2 words)
4. a telescope launched in 1990 that orbits around the earth(2 words)
6. stars that have burned up all of the hydrogen they once used as nuclear fuel(2 words)
7. the first United States space station launched in 1973
8. the star that the planets of our solar system orbit around (2 words)
9. the brightest star in the night time sky
10. a star that has exhausted the supply of hydrogen in its core and has begun thermonuclear fusion(2 words)
12. a type of emission nebula consisting of an expanding, glowing shell of ionized gas ejected from red giant stars late in their lives(2 words)
14. a theoretical stellar remnant, specifically a white dwarf that has cooled sufficiently that it no longer emits significant heat or light(2 words)
15. An extremely large red giant star with a minimum of 15 solar masses(2 words)