Across
- 5. small very dense star that is typically the size of a planet
- 7. a region of cosmic gas and dust formed from the cast-off outer layers of a dying star.
- 8. a very small cooled remnant of white dwarf that emits no detectable light.
- 9. giant cloud of dust and gas
- 10. a star that has exhausted the supply of hydrogen in its core
Down
- 1. when a supper giant explodes some of the material from the star is left behind
- 2. powerful explosion of a star
- 3. the most massive star having more than 40 times the mass of the sun when they die
- 4. a very young star that is still gathering mass from its parent molecular cloud
- 6. a very large star that is even brighter than a giant, often despite being relatively cool.