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CDSE-GENERAL-KNOWLEDGE-2019-->View question


Asked On2019-07-11 19:15:05 by:KAPILJHADE

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D. Proxima Centauri

The celestial neighborhood also contains the Alpha Centauri system. It comprises the closest set of stars, even if their light does take just over four years to reach us. There are actually three all doing a complex orbital dance together. The primaries in the system, Alpha Centauri A, and Alpha Centauri B are about 4.37 light-years from Earth. A third star, Proxima Centauri (sometimes called Alpha Centauri C) is gravitationally associated with the former. It's actually slightly closer to Earth at 4.24 light-years away.

If we were to send a light-sail satellite out to this system, it would likely encounter Proxima first. Interestingly enough, it appears that Proxima may have a rocky planet!  


Answerd on:2019-07-17 Answerd By:Ak

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