Tau Gruis extrasolar planet. Artwork of the Jupiter-like planet that orbits the star Tau Gruis (not seen),seen from the surface of one of its hypothetical moons. Tau Gruis is a Sun-like star that lies around 109 light years from Earth in the constellation Grus. The planet orbits the star at a distance of around 387 million kilometres,around 2.6 times the Earth-Sun distance,or about half the Jupiter-Sun distance. It is thought to have a mass 391 times that of Earth (around 1.2 times that of Jupiter). This situation is more similar to our own solar system than the majority of extrasolar systems discovered,which have a huge planet orbiting very close to the star | |
Licence : | Droits gérés |
Crédit: | Science Photo Library / Hardy, David A. |
Taille de l’image : | 2291 px × 2953 px |
Model Release : | Non requis |
Property Release : | Non requis |
Restrictions : | - |