Rho Indi b
Encyclopedia
Rho Indi b is a planet
that orbits around Rho Indi
. Its semimajor axis is 2.54 AU placing just outside the star’s habitable zone
. The planet takes 3.7 years to orbit the star
. It is over twice as massive as Jupiter
.
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...
that orbits around Rho Indi
Rho Indi
Rho Indi is a yellow subgiant star in the constellation Indus. It is, barely, a naked eye star, not visible in the northern hemisphere outside the tropics...
. Its semimajor axis is 2.54 AU placing just outside the star’s habitable zone
Habitable zone
In astronomy and astrobiology, a habitable zone is an umbrella term for regions that are considered favourable to life. The concept is inferred from the empirical study of conditions favourable for Life on Earth...
. The planet takes 3.7 years to orbit the star
Star
A star is a massive, luminous sphere of plasma held together by gravity. At the end of its lifetime, a star can also contain a proportion of degenerate matter. The nearest star to Earth is the Sun, which is the source of most of the energy on Earth...
. It is over twice as massive as 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,...
.