feb 042013
 
Many Super-Earths Seem to be More Like Mini-Neptunes

  In the last two decades astronomers have found hundreds of planets in orbit around other stars. One type of these so-called ‘exoplanets’ is the super-Earths that are thought to have a high proportion of rock but at the same time are significantly bigger than our own world. Now a new study led by Helmut [continue reading]

sep 202012
 
Curiosity Targets Unusual Rock on Its Journey

  NASA’s Mars rover Curiosity has driven up to a football-size rock that will be the first for the rover’s arm to examine. The drive by NASA’s Mars rover Curiosity during the mission’s 43rd Martian day, or sol, (Sept. 19, 2012) ended with this rock about 8 feet (2.5 meters) in front of the rover. [continue reading]

sep 022012
 
A Hot Potential Habitable Exoplanet around Gliese 163

  The detection of Earth-like worlds is pacing up A new superterran exoplanet (aka Super-Earth) was found in the stellar habitable zone of the red dwarf star Gliese 163 by the European HARPS team. The planet, Gliese 163c, has a minimum mass of 6.9 Earth masses and takes nearly 26 days to orbit its star. [continue reading]