List of articles in "Celestial Body" category - Page 2228

2M1207 2M1207A or 2MASS J12073346-3932539 is a brown dwarf located in the constellation Centaurus; a companion object 2M1207b may be the first extrasolar planetary-mass companion to be directly imaged and […]

(99907) 1989 VA is an Aten asteroid located in Venus’ zone of influence that has frequent close encounters with the Earth. It was discovered on 2 November 1989 by C. […]

2000 SG344 (also written 2000 SG344) is a small Aten asteroid discovered in 2000. It has a diameter of 37 m and an estimated mass of 7.1×107 kg (71000 tonnes). […]

Io /ˈaɪ.oʊ/ is the innermost of the four Galilean moons of the planet Jupiter and with a diameter of 3642 kilometres (2263 mi) the fourth-largest moon in the Solar System. […]

EF Eridani (abbreviated EF Eri sometimes incorrectly referred to as EF Eridanus) is a variable star of the type known as polars AM Herculis stars or magnetic cataclysmic variable stars. […]

2001 Einstein is an inner main belt asteroid discovered on March 5 1973. It is a member of the Hungaria family. It is named in honour of the German-American physicist […]

Gamma Ursae Majoris (Gamma UMa γ Ursae Majoris γ UMa) is a star in the constellation Ursa Major It has the traditional name Phad or Phecda. Since 1943 the spectrum […]

PSR B1919+21 is a pulsar with a period of 1.3373 seconds and a pulse width of 0.04 second. It was the first radio pulsar discovered (on November 28 1967 by […]

14 Herculis or 14 Her is a K-type main-sequence star approximately 57 light-years away in the constellation Hercules. Because of its apparent magnitude the star cannot be seen with the […]

NGC 185 (also known as Caldwell 18) is a dwarf spheroidal galaxy about 2.08 million light-years away in the constellation Cassiopeia. It is a member of the Local group and […]