Our Sun is one star in the which may contain about 200 to 400 billion
stars and measure about 100,000 light years in diameter. *
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Messier Galaxy
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Andromeda Galaxy
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Milky Way Galaxy
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Comet Galaxy

Phosphorous can form an ion called phosphide, which has the formula p3−. this ion can form an ion called phosphide, which has the formula p3−. this ion properties very similar to those of pforms when a phosphorus atom loses three protonsis called a cationcontains 18 electrons