Across
- 2. The study of celestial systems, including the Solar System, stars, galaxies, and galactic clusters
- 4. medium The gas and dust that exists in open space between the stars
- 7. cluster A large grouping of stars from a few dozen to a few hundred thousand that are bound together by their mutual gravitational attraction
- 13. magnitude the amount of light a star actually gives off
- 14. being or relating to or resembling or emanating from stars
- 15. A system of two stars that revolve around a common center of gravity
- 16. the study of stars
- 18. A method used by astronomers to calculate the distance to nearby stars using the apparent shift relative to distant stars
- 19. hole The super dense core left after a supergiant explodes as a supernova
Down
- 1. a group of stars to form a pattern
- 3. a new star
- 5. A star that flares up to several times its original brightness for some time before returning to its original state
- 6. the light that comes out of stars
- 8. giant Stage in a star’s development when the inner helium core contracts while the outer layers of hydrogen expand
- 9. dwarf A small to mid-sized star that has collapsed
- 10. a lot of stars near to each other
- 11. dwarf An ordinary star such as the Sun at a stable point in its evolution
- 12. stars A star that fluctuates in brightness. These include eclipsing binaries
- 17. star shooting star