Across
- 2. all of space and the matter the space contains
- 3. death of a large star by explosion
- 8. power that fuels the sun and the stars
- 9. a system of millions or billions of stars, together with gas and dust, held together by gravitational attraction
- 10. stellar body consists of a mass of gas held by gravity
Down
- 1. category of stable stars in the middle development phases that plot along a continuous diagonal belt on the H-R Diagram
- 4. large cloud of gas and dust in interstellar space
- 5. plot of the surface temperature of stars vs. their luminosities
- 6. remains of a star
- 7. intensity or brightness of light from a celestial body
