"Super-Earth" found in habitable zone of another star
Posted: Thu, Nov 8, 2012, 6:26 AM ET (1126 GMT)
Astronomers announced Wednesday the discovery of a "super-Earth" extrasolar planet within the habitable zone of a nearby star. Astronomers said the planet, one of six known to orbit the star HD 40307, has a mass at least seven times that of the Earth and orbits the star at a distance similar to the Earth's distance from the Sun. HD 40307 is a K-class star about 42 light-years from the Sun; astronomers found three exoplanets around it in 208, but updated techniques that improved the sensitivity of radial velocity observations allowed astronomers to detect three more, including the super-Earth.
Astronomers announced Wednesday the discovery of a "super-Earth" extrasolar planet within the habitable zone of a nearby star. Astronomers said the planet, one of six known to orbit the star HD 40307, has a mass at least seven times that of the Earth and orbits the star at a distance similar to the Earth's distance from the Sun. HD 40307 is a K-class star about 42 light-years from the Sun; astronomers found three exoplanets around it in 208, but updated techniques that improved the sensitivity of radial velocity observations allowed astronomers to detect three more, including the super-Earth.
Related Links:
| <<previous article | next article>> |
|
news in brief
|
|
|
|
news links
|
|
Tuesday, July 21
Sophie Adenot’s autobiography to be published by JCLattès in early 2027
ESA — 7:13 am ET (1113 GMT) 3D-printed metal: unlocking crew autonomy
ESA — 7:13 am ET (1113 GMT) Russia Launches Second Satellite Batch for Its Starlink Rival—the Math Still Looks Rough
United24 Media — 7:13 am ET (1113 GMT) Bill seen easing way for Starlink's entry passes Legislative Yuan
Focus Taiwan — 7:12 am ET (1112 GMT) US rocket-launch bottleneck worries Sweden, which just launched its first military satellite
Defense One — 7:10 am ET (1110 GMT) |
