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Proxima Centauri - Wikipedia
Proxima Centauri is a red dwarf star with a mass about 12.5% of the Sun's mass (M☉), and average density about 33 times that of the Sun. Because of Proxima Centauri's proximity to Earth, its angular diameter can be measured directly. Its actual diameter is about one-seventh (14%) the diameter of the … See more
Proxima Centauri is the nearest star to Earth after the Sun, located 4.25 light-years away in the southern constellation of Centaurus. This object was discovered in 1915 by Robert Innes. It is a small, low-mass See more
Because of its low mass, the interior of the star is completely convective, causing energy to be transferred to the exterior by the physical movement of plasma rather than through radiative processes. This convection means that the helium ash left over from the See more
Based on a parallax of 768.0665±0.0499 mas, published in 2020 in Gaia Data Release 3, Proxima Centauri is 4.2465 light-years (1.3020 pc; 268,550 AU) from the Sun. Previously … See more
In 1915, the Scottish astronomer Robert Innes, director of the Union Observatory in Johannesburg, South Africa, discovered a star that had the same See more
Proxima Centauri is a red dwarf, because it belongs to the main sequence on the Hertzsprung–Russell diagram and is of spectral class M5.5. The M5.5 class means that it falls in the low-mass end of M-type dwarf stars, with its hue shifted toward red-yellow … See more
A red dwarf with the mass of Proxima Centauri will remain on the main sequence for about four trillion years. As the proportion of helium increases because of hydrogen fusion, the star will become smaller and hotter, gradually transforming into a so-called See more
As of 2022, three planets (one confirmed and two candidates) have been detected in orbit around Proxima Centauri, with one possibly being among the lightest ever detected by radial … See more
Wikipedia text under CC-BY-SA license Proxima Centauri b - NASA Science
Proxima Centauri b - Wikipedia
ESO Discovers Earth-Size Planet in Habitable Zone of …
WEBAug 23, 2016 · The new planet circles Proxima Centauri, the smallest member of a triple star system known to science fiction fans everywhere as Alpha Centauri. Just over 4 light-years away, Proxima is the closest star …
Proxima Centauri - u-strasbg.fr
Proxima b 3D Model - NASA Science
WEBMay 1, 2019 · At only four light-years away, Proxima Centauri b is our closest known exoplanet neighbor. 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 …
Proxima Centauri c - Wikipedia
WEBProxima Centauri c is a super-Earth or mini-Neptune about 7 times as massive as Earth, orbiting at roughly 1.49 AU (223 million km; 139 million mi) every 1,928 days (5.28 yr). [3]
Proxima-Centauri (Star) - In-The-Sky.org
Found: Our Nearest Exoplanet Neighbor | News
WEBSep 28, 2024 · Aug. 24, 2016. Feature Story. Found: Our Nearest Exoplanet Neighbor. Candidate planet Proxima b orbits in the habitable zone around Proxima Centauri. Written by Marc Kaufman Source Many …
Proxima Centauri discovered on this date - EarthSky
WEBOctober 12, 1915. On this date, the Scottish-born astronomer Robert Innes, at the Union Observatory in Johannesburg, South Africa, announced the discovery of what we now know as the nearest...
NASA Simulations Explore Habitability of Nearest …
WEBAn artist's concept of the exoplanet Proxima Centauri b. Proxima b was discovered in 2016 orbiting the red dwarf star Proxima Centauri 4.2 light-years (25 trillion miles) away from Earth. A mass of at least 1.27 Earths …
New tricks from old data: Astronomer uses 25-year-old Hubble …
The Curious Case of Proxima C - Scientific American
A new super-Earth may orbit the star next door - National …
New Planet Found Orbiting Proxima Centauri - National Geographic
Hubble’s New Shot of Proxima Centauri, our Nearest Neighbor
Proxima Centauri (Alpha Centauri C): Facts, Distance, Planets ...
Proxima Centauri | Mass, Distance, Planets, & Facts | Britannica
star - Distance to Proxima Centauri (Gaia VS New Horizons …
A terrestrial planet candidate in a temperate orbit around Proxima …
Alien Hunters Discover Mysterious Signal from Proxima Centauri
Astronomers May Have Captured the First Ever Image of Nearby …
Proxima Centauri d - Wikipedia
Proxima Centauri – Vikipeedia
Proxima Centauri – Wikipedia, wolna encyklopedia
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