HD 74156 b
Encyclopedia
HD 74156 b is an extrasolar planet
at least 1.88 times the mass of Jupiter
that orbits the star HD 74156
. It is most likely a gas giant
. This planet was discovered in April 2001 by Dominique Naef and Michel Mayor
along with the second planet HD 74156 c
.
Extrasolar planet
An extrasolar planet, or exoplanet, is a planet outside the Solar System. A total of such planets have been identified as of . It is now known that a substantial fraction of stars have planets, including perhaps half of all Sun-like stars...
at least 1.88 times the mass of Jupiter
Jupiter
Jupiter is the fifth planet from the Sun and the largest planet within the Solar System. It is a gas giant with mass one-thousandth that of the Sun but is two and a half times the mass of all the other planets in our Solar System combined. Jupiter is classified as a gas giant along with Saturn,...
that orbits the star HD 74156
HD 74156
HD 74156 is a yellow dwarf star in the constellation of Hydra, 211 light years from our solar system. It is known to be orbited by two giant planets.- Star :...
. It is most likely a gas giant
Gas giant
A gas giant is a large planet that is not primarily composed of rock or other solid matter. There are four gas giants in the Solar System: Jupiter, Saturn, Uranus, and Neptune...
. This planet was discovered in April 2001 by Dominique Naef and Michel Mayor
Michel Mayor
Dr. Michel G. E. Mayor is a Swiss astrophysicist and professor emeritus at the University of Geneva's Department of Astronomy. He formally retired in 2007, but remains active as a researcher at the Observatory of Geneva...
along with the second planet HD 74156 c
HD 74156 c
HD 74156 c is an extrasolar planet at least eight times the mass of Jupiter orbiting the star HD 74156. It is most likely a gas giant. This planet was discovered by Dominique Naef and Michel Mayor in April 2001 together with the first planet HD 74156 b....
.