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The centaurs orbit generally inwards of the Kuiper belt and outside the Jupiter trojans. In planetary astronomy, a centaur is a small Solar System body that orbits the Sun between Jupiter and Neptune and crosses the orbits of one or more of the giant planets. Centaurs generally have unstable orbits because of this; almost all their orbits have ...
Sep 14, 2024 · Accessed 15 October 2024. Alpha Centauri, triple star system that contains Proxima Centauri, the closest star to the Sun, about 4.2 light-years distant. The system is the third brightest star in the sky. The nearest extrasolar planets are the three planets that orbit Proxima Centauri.
- The Editors of Encyclopaedia Britannica
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 star, too faint to be seen with the naked eye, with an apparent magnitude of 11.13. Its Latin name means the 'nearest [star] of Centaurus'.
Alpha Centauri(α Centauri, α Cen, or Alpha Cen) is a triple star systemin the southern constellationof Centaurus. It consists of three stars: Rigil Kentaurus(α Centauri A), Toliman(α Centauri B), and Proxima Centauri(α Centauri C).[14] Proxima Centauri is the closest starto the Sunat 4.2465 light-years(1.3020 pc).
Kuiper belt. small body. Centaur object, any of a population of small bodies, similar to asteroids in size but to comets in composition, that revolve around the Sun in the outer solar system, mainly between the orbits of Jupiter and Neptune. The first known member of the group, Chiron, was discovered in 1977, although its close affinity with ...
Oct 27, 2023 · Indeed, Proxima contains only about an eighth of the mass of our sun. Faint red Proxima Centauri is only 3,100 Kelvin (5,100 degrees F or 2,800 C) in contrast to 5,778 K for our sun. So, in ...
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Mar 5, 2023 · Alpha Centauri is a star system with components 4.2 to 4.4 light-years from Earth and comprises three stars. It is the closest star system to the solar system, and one of its stars is the nearest ...
