The announcement Wednesday (Sept. 29) of two newfound alien planets circling the star Gliese 581 adds to the nearby solar system's intrigue, further cementing its status as a top candidate to ...

Marcy of UC Berkeley via e-mail. “It shows that nature makes such small planets, probably in large numbers.” The small planet is the fourth discovered circling Gliese 581 by a team of ...

It's likely two to three times as massive as Earth and zips around its parent star, the red dwarf Gliese 581, every 30 days or so. [Gallery: The Strangest Alien Planets] This orbit places the ...

M. Keck Observatory on Mauna Kea. It orbits a relatively small star, Gliese 581, that is 20 light-years from Earth in the constellation Libra. “By determining the orbit of this planet ...

The small planet, called Gliese 581 e, has an estimated mass equal to 1.9 Earths and orbits its sun every 3.15 days, the team reported at an astronomical meeting at the University of Hertfordshire ...

Das X musste also wieder weg. Gesichert sind mit Gliese 581 b, c, e lediglich drei Exoplaneten, die allesamt nicht als Kandidaten für erdähnliches Leben infrage kommen. Das zeigt, wie schwierig ...

The other is in the right place. European researchers said they not only found the smallest exoplanet ever, called Gliese 581 e, but realized that a neighboring planet discovered earlier ...

The Geneva team, led by Michel Mayor, announced in 2009 the discovery of planet e in the Gliese 581 solar system. At approximately 1.9 Earth masses, this e planet is the lowest mass extrasolar ...

Der sogenannte Exoplanet umkreist den Stern Gliese 581, eine kleine rote Sonne im Sternbild Waage. Der 20 Lichtjahre entfernte Stern hat ein ganzes Planetensystem mit insgesamt sechs Begleitern.

radial velocity measuring instrument at the Calar Alto Observatory in Spain confirmed that there were only three planets orbiting Gliese 581: b, c and e. Not the end of the story The lesson from ...

Immerhin wurde Exoplanet Gliese 581-b bestätigt, die Signale von Gliese 581-c und -e haben sich sogar noch verstärkt. Der Planet 581-d ist mit sehr hoher Wahrscheinlichkeit einem Rotationseffekt des ...