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The star, whose mass is roughly half that of the Sun, is currently 62 light-years from the Solar System. It was first noticed in 1999 using data from the Hipparcos satellite, and was estimated to pass less than 1.3 light-years (0.40 pc) from the Sun in 1.4 million years. [ 73 ]
3C 273, optically the brightest quasar, of apparent magnitude 12.9, just dimmer than R136a1. 3C 273 is about 2.4 billion light-years away. 4.57 × 10 10 ly: The comoving distance from the Earth to the edge of the visible universe is about 45.7 billion light-years in any direction; this is the comoving radius of the observable universe.
The nearest such planet was then as close as 12 light-years away [7] [8] but (see below) is now estimated slightly above four light-years away. On August 24, 2016, astronomers announced the discovery of a rocky planet in the habitable zone of Proxima Centauri , the closest star to Earth (not counting the Sun).
Scientists had long suspected a big planet circled this star 12 light-years away, but not this massive or far from its star. A light-year is 5.8 trillion miles. These new observations show the ...
Epsilon Indi Ab, 12 light-years away, with its parent star Epsilon Indi A blacked out, as pictured by JWST in 2023. [1] Distribution of nearest known exoplanets as of March 2018 There are 7,408 known exoplanets , or planets outside the Solar System that orbit a star, as of January 26, 2024; only a small fraction of these are located in the ...
List of star systems within 350-400 light-years; List of star systems within 400-450 light-years; ... — second most distant star, 9 billion light years away. [1] [2]
Teegarden's Star b (also known as Teegarden b) is an exoplanet found orbiting within the habitable zone of Teegarden's Star, an M-type red dwarf 12.5 light years away from the Solar System.
Humanity's first contact with aliens could be a breezy 24 years away after we sent a signal to an Earth-like planet that may host life. ... GJ 273b lives in another star system 12 light years away.