Xi Aquilae b
Encyclopedia
Xi Aquilae b is an extrasolar planet
approximately 200 light-year
s away in the constellation
of Aquila
. The planet was discovered orbiting the yellow giant star Xi Aquilae
in 2008. The planet has a minimum mass of 2.8 Jupiter
and a period of 137 days.
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...
approximately 200 light-year
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 Aquila
Aquila (constellation)
Aquila is a stellar constellation. Its name is Latin for 'eagle' and it is commonly represented as such. In mythology, Aquila was owned by the Roman god Jupiter and performed many tasks for him....
. The planet was discovered orbiting the yellow giant star Xi Aquilae
Xi Aquilae
- External links :* * *...
in 2008. The planet has a minimum mass of 2.8 Jupiter
Jupiter mass
Jupiter mass , is the unit of mass equal to the total mass of the planet Jupiter . Jupiter mass is used to describe masses of the gas giants, such as the outer planets and extrasolar planets. It is also used in describing brown dwarfs....
and a period of 137 days.