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  1. en.wikipedia.org › wiki › Proxima_Centauri_bProxima Centauri b - Wikipedia

    Proxima Centauri b (or Proxima b), sometimes referred to as Alpha Centauri Cb, is an exoplanet orbiting within the habitable zone of the red dwarf star Proxima Centauri, which is the closest star to the Sun and part of the larger triple star system Alpha Centauri.

  2. science.nasa.gov › proxima-centauri-bProxima Centauri b - NASA Science

    Proxima Centauri b is a super Earth exoplanet that orbits a M-type star. Its mass is 1.07 Earths, it takes 11.2 days to complete one orbit of its star, and is 0.04856 AU from its star. Its discovery was announced in 2016.

  3. astrobiology.nasa.gov › news › proxima-b-is-surelyProxima b Is Surely Not “Earth-like.” But It’s a Research ...

    5 days ago · A simulated comparison of a sunset on Earth and Proxima b. The images sets out to show that the red-dwarf star Proxima Centauri appears almost three times bigger than our sun in a redder and darker sky.

  4. www.space.com › proxima-b-alien-planet-earth-sizedProxima b, the closest exoplanet we know, may be even more ...

    Jun 1, 2020 · The closest alien planet to our solar system is even more Earth-like than scientists had thought, new observations suggest. In a new study, an international team of researchers found that the ...

  5. science.nasa.gov › resource › proxima-b-3d-modelProxima b 3D Model - NASA Science

    May 1, 2019 · Proxima b is a super Earth exoplanet that orbits a M-type star. Its mass is 1.27 Earths, it takes 11.2 days to complete one orbit of its star, and is 0.0485 AU from its star. Its discovery was announced in 2016.

  6. science.nasa.gov › universe › exoplanetsESO Discovers Earth-Size Planet in Habitable Zone of Nearest ...

    Aug 23, 2016 · This infographic compares the orbit of the planet around Proxima Centauri (Proxima b) with the same region of the Solar System. Proxima Centauri is smaller and cooler than the Sun and the planet orbits much closer to its star than Mercury.

  7. www.scientificamerican.com › article › proxima-b-5Proxima B: 5 Things You Need to Know ... - Scientific American

    Aug 31, 2016 · The world of science news was recently abuzz with an incredibly exciting new discovery—a roughly Earth-mass planet orbiting the star Proxima Centauri a mere 4.2 lightyears away.