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The AstronomersESOcast 6: Lightest Exoplanet Found
ESOcast 6: Lightest Exoplanet Found
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Well-known exoplanet researcher Michel Mayor announced on 21 April 2009 the discovery of the lightest exoplanet found so far. The planet, "e", in the famous system Gliese 581, is only about twice the mass of our Earth. The team also refined the orbit of the planet Gliese 581 d, first discovered in 2007, placing it well within the habitable zone, where liquid water oceans could exist. These amazing discoveries are the outcome of more than four years of observations using the most successful low-mass-exoplanet hunter in the world, the HARPS spectrograph attached to the 3.6-metre ESO telescope at La Silla, Chile. ________________________________________________________________ El exoplaneta más liviano que se ha descubierto. El conocido investigador de exoplanetas, Michel Mayor anunció el 21 de abril de 2009 el descubrimiento del exoplaneta más liviano encontrado a la fecha. El planeta "e", en el famoso sistema Gliese 581, sólo tiene el doble de la masa de nuestra Tierra. El equipo también refinó la órbita del planeta Gliese 581 d, descubierto en 2007, ubicándolo bastante dentro de la zona habitable, donde podrían existir océanos de agua líquida. Estos asombrosos descubrimientos son el resultado de más de cuatro años de observaciones empleando el más exitoso buscador de exoplanetas de poca masa del mundo, el espectrógrafo HARPS instalado en el telescopio de 3,6 metros de ESO en La Silla, Chile. ________________________________________________________________ Visual design and editing: Martin Kornmesser, Luis Calçada and Andre Roquette. Cinematography: Peter Rixner. Editing: Herbert Zodet. Web and technical support: Lars Holm Nielsen and Raquel Yumi Shida. Written by: Henri Boffin and Colleen Sharkey. Host: Dr. J. Narration: Gaitee Hussain. Music: movetwo (http://www.movetwo.de/). Footage and photos: ESO. Directed by: Herbert Zodet and Colleen Sharkey. Executive producer: Lars Lindberg Christensen.
Added on Nov 20, 2012 by Ordonomundi
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