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Encyclopedia > Gliese 436
GJ 436
Star listing of all stars

GJ 436, also designated Gliese 436 and HIP 57087, is a red dwarf star 30 light years from Earth in the constellation of Leo. It is orbited by a recently discovered planet.

GJ 436 b is a planet discovered orbiting the star in 2004. It has a similar mass to Neptune, but orbits very close to the star and is believed to be a terrestrial planet, not a gas giant. Its surface temperatures would be very high. It is one of the smallest extrasolar planets ever discovered.

  Results from FactBites:
Reference.com/Encyclopedia/Gliese 581 b (326 words)
Gliese 581 b is an extrasolar planet orbiting the star Gliese 581.
The planet was discovered by a team of French and Swiss astronomers, who announced their findings on November 30 2005 as a discovery of one of the lightest extrasolar planets ever found, with one conclusion being that planets may be more common around the smallest stars.
Gliese 581 b is about 0.056 times Jupiter's mass (17 times the Earth's mass) which is very similar to Neptune's mass.
Gliese 436 - Wikipedia, the free encyclopedia (223 words)
Gliese 436 (Gl 436), is a dim 11th magnitude red dwarf star about 30 light years from Earth in the constellation of Leo.
It is orbited by at least one planet with evidence from the Radial velocity measurements indicating a possible additional companion of unknown mass orbiting further out.
The planet, Gliese 436 b was discovered orbiting the star in 2004.
  More results at FactBites »



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