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Proxima Centauri c is a candidate super-Earth or gas dwarf about 7 M E orbiting at roughly 1.5 astronomical units (220,000,000 km) every 1,900 days (5.2 yr). [81] If Proxima Centauri b were the star's Earth, Proxima Centauri c would be equivalent to Neptune.
The closest system is Alpha Centauri, with Proxima Centauri as the closest star in that system, at 4.2465 light-years from Earth. The brightest, most massive and most luminous object among those 131 is Sirius A , which is also the brightest star in Earth's night sky ; its white dwarf companion Sirius B is the hottest object among them.
Proxima Centauri is the closest M-type star to the Earth. ... This is a list of M-type stars within 13 light years. Name Distance ... (149,600,000 km) G2V 1 -26.74 [117]
Equivalent distance in Example Meters Kilometers Miles light-second ... 9.461 × 10 12 km: 5.879 × 10 12 miles: Proxima Centauri is the nearest star to the Sun, ...
Proxima Centauri b is the closest exoplanet to Earth, [20] at a distance of about 4.2 ly (1.3 parsecs). [5] It orbits Proxima Centauri every 11.186 Earth days at a distance of about 0.049 AU, [1] over 20 times closer to Proxima Centauri than Earth is to the Sun. [21] As of 2021, it is unclear whether it has an eccentricity [e] [24] but Proxima Centauri b is unlikely to have any obliquity. [25]
The nearest known star is Proxima Centauri at 269,000 AU ... at 32.3 km/s (72,000 mph), but due to its higher perihelion distance of ~2.003 au, its eccentricity was a ...
Proxima Centauri is a red dwarf star and the nearest star to the Solar System. It is located 4.24 light-years away. Within the model's scale, it has a diameter of about 72 mm and is located 13 370 km away from Akaa. This ground distance takes it in the middle of Australia and near the famous Ayers Rock / Uluru.
Solar radius is a unit of distance used to express the size of ... methods had been overestimated by approximately 300 km (190 mi). ... Proxima Centauri: 0.1542 [17 ...