okt 312013
 
First Earth-Sized, Rocky Exoplanet Found

  A team of astronomers has found the first Earth-sized planet outside the Solar System that has a rocky composition like that of Earth. This exoplanet, known as Kepler-78b, orbits its star very closely every 8.5 hours, making it much too hot to support life. The results are being published in the journal Nature. This Earth-sized [continue reading]

apr 042013
 
Finding Some 100 Billion Earth-Like Planets by a New Technique

  Researchers at The University of Auckland have proposed a new method for finding Earth-like planets and they anticipate that the number will be in the order of 100 billion. Most of the discovered extrasolar planets lie within 300 light-years of the Solar System. Image Credit: NASA/JPL The strategy uses a technique called gravitational microlensing, currently [continue reading]

okt 172012
 
Earth-Like Planet Around Nextdoor Sun-Like Star Found

  European astronomers have discovered a planet with about the mass of the Earth orbiting a star in the Alpha Centauri system — the nearest to Earth. It is also the lightest exoplanet ever discovered around a star like the Sun. The planet was detected using the HARPS instrument on the 3.6-metre telescope at ESO’s [continue reading]