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I can only assume you mean to ask the difference between Spica and Proxima Centauri. Spica, or Alpha Virginis, the 15th brightest star in the sky, is a blue giant. It's about 250 light years from Earth.

Proxima Centauri is only 4.24 light years from the sun, the nearest known star ( apart from the sun) to Earth. It's a red dwarf and invisible to the naked eye.

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10y ago

What else can I help you with?