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Alpha Centauri B Has An Earth-Mass Planet

Earth-Mass Planet Found Orbiting Alpha Centauri B “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-meter telescope at ESO’s La Silla Observatory in Chile. The results will appear […]

  • NASA Watch
  • October 16, 2012
An Interesting Extrasolar Planet Announcement Next Week

ESO: Media Telecon to Discuss Significant Exoplanet Finding “On Monday 19 October 2009, astronomers will report at the international ESO/CAUP exoplanet conference in Porto, Portugal, on a significant discovery in the field of exoplanets, obtained with the High Accuracy Radial Velocity Planet Searcher, better known as HARPS, the spectrograph for ESO’s 3.6-meter telescope.” From the same authors, using the same instrument: arXiv:0906.2780: The HARPS search for southern extra-solar planets XVIII. […]

  • NASA Watch
  • October 15, 2009