ScienceDaily: Extrasolar Planets News |
| Transiting exoplanet with longest known year: 704 Earth days Posted: 21 Jul 2014 11:22 AM PDT Astronomers have discovered a transiting exoplanet with the longest known year. Kepler-421b circles its star once every 704 days. In comparison, Mars orbits our Sun once every 780 days. Most of the 1,800-plus exoplanets discovered to date are much closer to their stars and have much shorter orbital periods. |
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