Exoplanet Kepler 1701b and its exomoon
Numéro d’image : 13587430
| Kepler 1780-b is a gas giant exoplanet orbiting the F-type star Kepler 1708, some 5500 light years from Earth. Orbiting at a distance of 1.64 astronomical units from its star, the planet has a mass of 4.6 times that of Jupiter but is estimated to be smaller in size. In 2021, astronomers announced the likely detection of not only the planet (yellow), but a super-sized satellite orbit around it (green), dubbed Kepler 1701-b-i. Unlike the satellites of the Solar System's planets, the 'exomoon' is not rocky - it's gaseous, somewhat similar to the planet Neptune. Thousands of exoplanets are now known, but exomoons - although most certainly common - have mostly evaded discovery until now, because it presents a much more difficult challenge. | |
| Licence : | Libre de droits |
| Crédit: | Science Photo Library / Garlick, Mark |
| Model Release : | Non requis |
| Restrictions : | - |
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