The red planet.

Developing star not yet hot enough to produce nuclear fusion

All stars regardless of their size will eventually run out of fuel and collapse due to gravity.

Low and medium mass stars produce ________________ when they burnout and die.

Scientists have observed a blue shift in most galaxies in our universe, indicating the universe is getting smaller.

Stars smaller and more massive than white dwarfs.

The innermost planet in the solar system.

Dense objects with gravity so strong that not even light can escape.

The Milky Way is this type of galaxy.

Very massive stars produce supernova when they die.

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