s*****t
发帖数: 1994 | 1 CoRoT Satellite Discovers Rocky Planet
Illustration Credit: ESO/L. Calcada
Explanation: How similar is exoplanet CoRoT-7b to Earth? The newly
discovered extra-solar planet is the closest physical match yet, with a mass
about five Earths and a radius of about 1.7 Earths. Also, the home star to
CoRoT-7b, although 500 light years distant, is very similar to our Sun.
Unfortunately, the similarities likely end there, as CoRoT-7b orbits its
home star well inside the orbit of Mercury, making its year l |
|
