Black Hole - The remaining core of an exploded massive star which is so massive that light cannot escape its gravity, Nebula - Huge clouds of interstellar dust and gas that give rise to new stars and solar systems., Red Giant - A star similar to our sun that has fused all of its hydrogen to helium and has expanded, cooled and shines red., Planetary Nebula - The leftovers from a Red Giant that shed its outer layers producing a glowing cloud of dust and gas that was once thought to look like outer planets., Protostar - A star that has just begun to fuse hydrogen to produce helium, Neutron Star - The leftover core of a massive star, 1.5-4 times that of our Sun, that has exploded and left behind a core that pulses radio waves 30 times per second., Supernova - A stellar explosion that is so bright it briefly outshines an entire galaxy., White Dwarf - A star with a mass similar to our sun’s that does not have enough matter and gravity to fuse carbon together and therefore begins to die., Main Sequence Star - 90% of a star’s life cycle when hydrogen available to fuse to form helium, Black Dwarf - A dead star which has never been observed because its death takes longer than the estimated age of the universe., Red Supergiant - A very large star much more massive than our sun that has fused all of its matter to form iron and has expanded, cooled and shines red., Supernova Remnant Nebula - Massive cloud of gas and dust resulting from the explosion of a star.,

Stellar Evolution

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