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Stars - Ch.3

Horizontales
An exploding star
A gigantic cluster of billions of stars that is home to our solar system.
The measurement of how bright a star appears to be.
Huge clouds of gases and dust.
The distance that light travels in one year.
The cool, dark body that is the final stage in the life cycle of a low-mass star.
Verticales
Dense pockets of matter within a nebula.
After a long period as a red giant, the last traces of fuel will run out, and the star will collapse one final time and become a _______________ star.
A vast group of billions of stars that are held together by gravity.
The amount of light a star actually gives off.
The remains of a massive star that has exploded in a supernova.
The sum of everything that exists.
An extremely dense, invisible object in space whose gravity is so great that not even light can escape it.
A very large old reddish star that has greatly expanded and cooled as its fuel has begun to run out.