Answer:
The Stars Unit Review Practice - 2022
Step-by-step explanation:
1. ) The red shift shows that galaxies are moving away from each other.
2. ) M
3. ) [1] The Sun's temperature is higher than that of a red supergiant - [2] The Sun will outlive a red supergiant
4. ) Knowing the color and brightness of a star
5. ) Asteriod ; Meteor ; Meteorite
6. ) It's boundary
7. ) ( [1] Average Star Cycle : Planetry Nebula, Red Giant, White Dwarf, Nebula, Average Star, Protostar ) - ( [2] Massive Star Cycle : Black Hole, Neutron Star, Super Red Giant, Supernova, Nebula, Massive Star, Protostar )
8. ) Visible light can be seen by the unaided human eye.
9. ) Hydrogen
10. ) The mass of the star
( 100% - Proof In Attached Document )