Although by cosmic standards it is a close neighbor, Proxima Centauri remains a point-like object even using Hubble’s eagle-eyed vision, hinting at the vast scale of the Universe around us. Proxima Centauri - Credit: ESA/Hubble & NASA Not only is the life of a flare star unusual, but so are its appearances. Credit: ESA/Hubble & NASA CREDIT: Digitized Sky Survey 2/ Davide De Martin/Mahdi Zamani/ESO. Second Proxima Centauri planet confirmed in 25-year-old Hubble data 3 June 2020 Astronomy Now The starry sky above ESO’s La Sill Observatory showing the double star Alpha Centauri AB and Proxima Centauri, the closest star to the Sun. Proxima Centauri lies in the constellation of Centaurus (the Centaur), just over four light-years from Earth. Although by cosmic standards it is a close neighbor, Proxima Centauri remains a point-like object even using Hubble’s eagle-eyed vision, hinting at … The expanding shell of gas and dust that surrounds the star is about five light-years wide, which equals the distance from here to the nearest star beyond the Sun, Proxima Centauri. Thus Benedict decided to re-visit his studies of Proxima Centauri from the 1990s made with Hubble Space Telescope. ← Hubble Makes Surprising Find in the Early Universe A Mirror Image of Earth and Sun → IMAGE: Red dwarf: Proxima Centauri on the right, next to its much brighter companions. For that study, he had used Hubble's Fine Guidance Sensors (FGS). For that study, he had used Hubble’s Fine Guidance Sensors (FGS). Because of the convection process, Proxima is noted for drastic changes in brightness which can occur with no warning or pattern. Proxima Centauri is actually part of a triple star system—its two companions, Alpha Centauri A and B, lie out of frame. Thus Benedict decided to re-visit his studies of Proxima Centauri from the 1990s made with Hubble Space Telescope. Proxima Centauri is located in the constellation Centaurus (the Centaur), just over four light-years from Earth. Image via ESA/Hubble & NASA. ESA/Hubble & NASA. Proxima Centauri has been in the crosshairs of astronomers for decades as a potential spot for alien life outside our own planetary neighborhood. Proxima Centauri is … For that study, he had used Hubble's Fine Guidance Sensors (FGS). One of its exoplanets, Proxima Centauri b, is Earth-like and exists in a “habitable zone” whose temperature … Read more about this image. Hubble Space Telescope image of Proxima Centauri, the closest known star to the sun. 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