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  2. Proxima Centauri - Wikipedia

    en.wikipedia.org/wiki/Proxima_Centauri

    Before the discovery of Proxima Centauri b, the TV documentary Alien Worlds hypothesized that a life-sustaining planet could exist in orbit around Proxima Centauri or other red dwarfs. Such a planet would lie within the habitable zone of Proxima Centauri, about 0.023–0.054 AU (3.4–8.1 million km) from the star, and would have an orbital ...

  3. 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]

  4. 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.

  5. List of multiplanetary systems - Wikipedia

    en.wikipedia.org/wiki/List_of_multiplanetary_systems

    The stars with the most confirmed planets are the Sun (the Solar System's star) and Kepler-90, with 8 confirmed planets each, followed by TRAPPIST-1 with 7 planets. The 1007 multiplanetary systems are listed below according to the star's distance from Earth. Proxima Centauri, the closest star to the Solar System, has three planets (b, c and d).

  6. Small rocky planet detected in orbit about nearby ... - AOL

    www.aol.com/news/small-rocky-planet-detected...

    A light-year is the distance light travels in a year, 5.9 trillion miles (9.5 trillion km). Two exoplanets have been detected in the Alpha Centauri system, both orbiting the red dwarf Proxima ...

  7. 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 ...

  8. Alpha Centauri - Wikipedia

    en.wikipedia.org/wiki/Alpha_Centauri

    Currently, the distance between Proxima Centauri and α Centauri AB is about 13,000 AU (0.21 ly), [17] equivalent to about 430 times the radius of Neptune's orbit. Proxima Centauri has one confirmed planet: Proxima b, an Earth-sized planet in the habitable zone (though it is unlikely to be habitable), one candidate planet, Proxima d, sub-Earth ...

  9. Proxima Centauri c - Wikipedia

    en.wikipedia.org/wiki/Proxima_Centauri_c

    It is located approximately 4.2 light-years (1.3 parsecs; 40 trillion kilometres; 25 trillion miles) from Earth in the constellation of Centaurus, making it, Proxima b, and Proxima d the closest known exoplanets to the Solar System. Proxima Centauri c is a super-Earth or mini-Neptune about 7 times as massive as Earth, orbiting at roughly 1.49 ...