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

    Proxima Centauri b (or Proxima b), [5] also 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 › exoplanet-catalog › proxima-centauri-bProxima Centauri b - NASA Science

    Proxima Centauri b is a super Earth exoplanet that orbits an 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. 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.

  4. blog.sciandnature.com › 2024 › 07James Webb Announces Brightness of Proxima B Artificial Lights...

    Jul 15, 2024 · James Webb has announced an increase in the brightness of artificial lights from Proxima B, a potentially habitable exoplanet just 4.24 light years from Earth. In the vast and mysterious cosmos, a tiny point of light has caught the attention of the scientific community.

  5. astrobiology.nasa.gov › news › proxima-b-is-surely-not-earth-like-but-its-aProxima b Is Surely Not “Earth-like.” But It’s a Research Magnet...

    Sep 28, 2024 · 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.

  6. www.space.com › proxima-b-alien-planet-earth-sized-espressoProxima b, the closest alien planet 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 ...

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

    Apr 22, 2024 · 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.

  8. earthsky.org › space › exoplanet-proxima-centauri-b-confirmedProxima Centauri b confirmed as nearest exoworld - EarthSky

    May 31, 2020 · Proxima Centauri b is very similar in size to Earth, with a mass of 1.17 Earth masses. It orbits its star in only 11.2 days, in contrast to our Earth’s year-long orbit around our sun. That means...

  9. exoplanets.nasa.gov › news › 1395Study: Planet orbiting nearest star could be habitable

    Oct 24, 2016 · These new measurements show that this planet, named Proxima Centauri b or simply Proxima b, has a mass close to that of Earth (1.3 times Earth’s mass) and orbits its star at a distance of 0.05 astronomical units (one tenth of the sun-Mercury distance).

  10. www.newscientist.com › article › mg23130884-100-proxima-b-closest-earth-likeProxima b: Earth-like planet spotted just 4 light years away

    Aug 24, 2016 · A planet just 30 per cent more massive than Earth orbits in the habitable zone of Proxima Centauri, which is just 4.25 light years away.