WASP-4
Encyclopedia
WASP-4 is a G-type main sequence star approximately 1,000 light-year
s away in the constellation
of Phoenix
.
, WASP-4b
, was discovered orbiting this star.
Light-year
A light-year, also light year or lightyear is a unit of length, equal to just under 10 trillion kilometres...
s away in the constellation
Constellation
In modern astronomy, a constellation is an internationally defined area of the celestial sphere. These areas are grouped around asterisms, patterns formed by prominent stars within apparent proximity to one another on Earth's night sky....
of Phoenix
Phoenix (constellation)
Phoenix is a minor constellation in the southern sky. It is named after the Phoenix, a mythical bird. It is faint: there are only two stars in the whole constellation which are brighter than magnitude 5.0...
.
Planetary system
In 2007, an extrasolar planetExtrasolar 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...
, WASP-4b
WASP-4b
WASP-4b is an extrasolar planet approximately 1,000 light-years away in the constellation of Phoenix. The planet was discovered orbiting the star WASP-4 in October 2007. The planet's mass and radius indicate that it is a gas giant, similar to Jupiter...
, was discovered orbiting this star.