Across
- 2. an exploding starthat can reach a luminosity of well over 100 million times that of the Sun
- 4. its mass being on the order of hundreds of thousands, or millions to billions, of times the mass of the Sun
- 8. when a compact neutron star emits radio waves in rapid pulses
- 9. The limit when a star exceeds 1.4 solar masses
- 10. The other option the massive star has to form when it dies
- 11. a neutron star with an extremely strong magnetic field.
- 12. a form of electromagnetic radiation, similar to light but of shorter wavelength and capable of penetrating solids and of ionizing gases
- 13. he most powerful class of explosions in the universe" and They are the most energetic
Down
- 1. a part of a black hole that looks like a disk
- 2. What determines when a massive star dies
- 3. a process that stretches you out like noodle
- 4. a part of a black hole that acts as the core
- 5. is the speed needed to escape a gravitational pull of an object
- 6. A pulse Spins hundreds of times per second
- 7. a star that dies form a supernova