Related topics: stars · planets

Out of Whack Planetary System Offers Clues to a Disturbed Past

(PhysOrg.com) -- Astronomers are reporting today the discovery of a planetary system way out of tilt, where the orbits of two planets are at a steep angle to each other. This surprising finding will impact theories of how ...

Turning Planetary Theory Upside Down (w/ Video)

(PhysOrg.com) -- The discovery of nine new transiting exoplanets is announced today at the RAS National Astronomy Meeting. When these new results were combined with earlier observations of transiting exoplanets astronomers ...

Astronomers spot second smallest exoplanet

(PhysOrg.com) -- Astronomers from the California Institute of Technology and other institutions, using the highly sensitive 10-meter Keck I telescope atop Hawaii's Mauna Kea, have detected an extrasolar planet with a mass ...

Astronomers spot 'super-Earth' 80 light years away

US astronomers have detected the second smallest exoplanet ever discovered with a mass just four times heavier than the Earth, adding to a growing number of low-mass planets dubbed "super-Earths."

Brown dwarf pair mystifies astronomers

(PhysOrg.com) -- Two brown dwarf-sized objects orbiting a giant old star show that planets may assemble around stars more quickly and efficiently than anyone thought possible, according to an international team of astronomers.

The discovery of new Earths is imminent, UD astronomer says

(PhysOrg.com) -- Harry Shipman, Annie Jump Cannon Professor of Physics and Astronomy at the University of Delaware, told the audience for his lecture, “Seeking New Planets,” on Saturday evening, Sept. 26, that one of ...

Twin Keck telescopes probe dual dust disks

Astronomers using the twin 10-meter telescopes at the W. M. Keck Observatory in Hawaii have explored one of the most compact dust disks ever resolved around another star. If placed in our own solar system, the disk would ...

Why Are Galaxies So Smooth?

(PhysOrg.com) -- Using NASA's Spitzer Space Telescope, an international team of astronomers has discovered streams of young stars flowing from their natal cocoons in distant galaxies. These distant rivers of stars provide ...

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