Across
- 1. Diagram Hertzsprung-Russell diagram a graph that shows the relationship between a star’s surface temperature and absolute magnitude
- 2. Magnitude the brightness of stars seen from Earth
- 4. space and all the matter and energy in it
- 5. Dwarf a small hot dim star that is the left over center of an old sun like star
- 6. a gigantic explosion in which a massive star collapses and throws its outer layers into space
- 7. a collection of stars, dust, and gas bound together by gravity
- 9. Star a star that has collapsed under gravity to the point that the electrons and protons have smashed together to form neutrons
- 11. the actual brightness of an object
Down
- 1. a large cloud of dust and gas in space
- 3. Spectrum all of the frequencies or wavelengths of electromagnetic radiation
- 8. Magnitude a measure of how bright a star would be from standard distance
- 10. year the distance light can travel