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 ...

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 ...

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 ...

European researchers based in Geneva discovered the planet “E” in the Gliese 581 solar system after four years of observations from the La Silla observatory’s 3.6-meter ESO telescope and 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 ...

Two planets similar to Earth have been discovered circling the dwarf star Gliese 581. Scientists believe the pair could be habitable and using new, super telescopes, astronomers are now searching ...

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 ...

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 ...

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 ...

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 ...

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.