Alpha Centauri

(redirected from Alpha Centauri B)
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Related to Alpha Centauri B: Proxima Centauri
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  • noun

Synonyms for Alpha Centauri

brightest star in Centaurus

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In 2012, astronomers reported that they had discovered a planet around Alpha Centauri B, the orange star.
3 light years from the Sun, Alpha Centauri B is only a step away in astronomical terms.
The astronomers also know that Alpha Centauri B has a stable "habitable zone", also known as the "Goldilocks zone".
That means that in the star system Alpha Centauri B, a just-right planet could be closer than astronomers had once imagined.
It's so close that from some southern places on Earth, you can see Alpha Centauri B in the night sky without a telescope.
Training their telescope at Alpha Centauri B, the team logged more than 450 days of observation.
The stars' names: Alpha Centauri A, Alpha Centauri B, and Alpha Centauri C.
The rocky planet circles Alpha Centauri B, a star just a bit smaller and dimmer than the sun.
Our observations extended over more than four years using the HARPS instrument and have revealed a tiny, but real, signal from a planet orbiting Alpha Centauri B every 3.