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  2. Proxima Centauri b - Wikipedia

    en.wikipedia.org/wiki/Proxima_Centauri_b

    Proxima Centauri b is the closest exoplanet to Earth, [19] at a distance of about 4.2 ly (1.3 parsecs). [4] It orbits Proxima Centauri every 11.186 Earth days at a distance of about 0.049 AU, [1] over 20 times closer to Proxima Centauri than Earth is to the Sun. [20] As of 2021, it is unclear whether it has an eccentricity [e] [23] but Proxima Centauri b is unlikely to have any obliquity. [24]

  3. List of nearest stars - Wikipedia

    en.wikipedia.org/wiki/List_of_nearest_stars

    The closest system is Alpha Centauri, with Proxima Centauri as the closest star in that system, at 4.2465 light-years from Earth. The brightest, most massive and most luminous object among those 131 is Sirius A , which is also the brightest star in Earth's night sky ; its white dwarf companion Sirius B is the hottest object among them.

  4. Proxima Centauri - Wikipedia

    en.wikipedia.org/wiki/Proxima_Centauri

    Proxima Centauri c is a candidate super-Earth or gas dwarf about 7 M E orbiting at roughly 1.5 astronomical units (220,000,000 km) every 1,900 days (5.2 yr). [81] If Proxima Centauri b were the star's Earth, Proxima Centauri c would be equivalent to Neptune.

  5. Scientists discover Earth-like planet orbiting star closest ...

    www.aol.com/article/news/2016/08/24/scientists...

    The planet, dubbed Proxima b because it orbits Proxima Centauri, is thought to be a rocky and slightly more massive than Earth -- but that's not all. Scientists discover Earth-like planet orbiting ...

  6. List of nearest exoplanets - Wikipedia

    en.wikipedia.org/wiki/List_of_nearest_exoplanets

    The closest exoplanets are those found orbiting the star closest to the Solar System, which is Proxima Centauri 4.25 light-years away. The first confirmed exoplanet discovered in the Proxima Centauri system was Proxima Centauri b, in 2016. HD 219134 (21.6 ly) has six exoplanets, the highest number discovered for any star within this range.

  7. Alpha Centauri - Wikipedia

    en.wikipedia.org/wiki/Alpha_Centauri

    It consists of three stars: Rigil Kentaurus (α Centauri A), Toliman (α Centauri B), and Proxima CentauriCentauri C). [14] Proxima Centauri is the closest star to the Sun at 4.2465 light-years (1.3020 pc). α Centauri A and B are Sun-like stars (class G and K, respectively) that together form the binary star system α Centauri AB.

  8. List of nearest terrestrial exoplanet candidates - Wikipedia

    en.wikipedia.org/wiki/List_of_nearest...

    Though Wolf 1069 b is likely tidally locked, its daylight side may still be habitable. It has similar characteristics to Proxima Centauri b and is one of the nearest discovered potentially habitable exoplanets to Earth. Wolf 1069 b is likely rocky, with an Earth-like composition, and climate models suggest that it is habitable for a broad range ...

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