Across
- 3. spinning neutron stars
- 4. a contracting cloud gas of dust with enough mass to form star
- 5. stars remains of high-mass stars
- 6. is a large cloud of gas and dust speard out in an immense volume
Down
- 1. a supergiant expolosoin
- 2. dwarf blue-white core of the star that is left behind cools
- 7. hole an object with gravity so strong that nothing,not even light,can escape