Stars and Galaxies

3. The diagram which helps classify stars based on there temperature and luminosity
5. Stars that are typically 10 solar masses or less
7. The most common star type since it is the middle stage of a star's life cycle
8. This astronomer who created the modern classification of galaxies
9. Galaxies with a center 100 times brighter than noraml
10. A luminous celestial body made of plasma held together by gravity
11. A very very large celestial structure which is a collection of gases, dust, stars, and other celestial objects
14. Ovalish shape around a central cluster
15. Stars that are larger than 10 solar masses
17. Galaxies which have high levels of energy and produce particle jets shooting out of the center
18. A disk around a cluster center without arms; a mix of a spiral and elliptical
19. Are celestial objects which did not quite get enough material to start nuclear fusion
20. Are the star at the beginning of their lives when materials like dust and hydrogen start to collect and nuclear fusion begins
21. Galaxies with particle jets shooting out of the center what are almost pointed directly at Earth

1. Galaxies with several arms coming out of a central cluster
2. Galaxies without any definite shape
4. Galaxies with the central cluster juts out before the starting the arms
6. Are truly undefined shaped galaxies due to galaxy collisions
10. Low energy galaxies that typically emitting infrared light
12. Is a remnant of supergiant star death and a supernova where the star becomes mostly neutrons
13. Are the remnants of stars after they die which still have a little energy left
16. Are the remnants of stars after they die which don't have any energy left