HD 74156 c
Encyclopedia
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
.
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 eight times the mass
Mass
Mass can be defined as a quantitive measure of the resistance an object has to change in its velocity.In physics, mass commonly refers to any of the following three properties of matter, which have been shown experimentally to be equivalent:...
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,...
orbiting 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 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...
in April 2001 together with the first planet HD 74156 b
HD 74156 b
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....
.