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Asteroid Belts of Just the Right Size Are Friendly to Life
November 1, 2012 — Solar systems with life-bearing planets may be rare if they are dependent on the presence of asteroid belts of just the right mass, according to a new study. Researchers suggest that the size and ... > full story -
Additional Kepler Data Now Available to All Planet Hunters
October 29, 2012 — Twelve additional months worth of planet-searching data meticulously collected by one of the most prolific planet-hunting endeavors ever conceived, NASA's Kepler Mission, has just been ... > full story -
Planet Found in Nearest Star System to Earth: HARPS Instrument Finds Earth-Mass Exoplanet Orbiting Alpha Centauri B
October 16, 2012 — European astronomers have discovered a planet with about the mass of Earth orbiting a star in the Alpha Centauri system -- the nearest to Earth. It is also the lightest exoplanet ever discovered ... > full story -
Circumbinary Planet in Quadruple Star System Discovered by Astronomers Aided by Volunteer 'Planet Hunters'
October 15, 2012 — A joint effort of citizen scientists and professional astronomers has led to the first reported case of a planet orbiting twin suns that in turn is orbited by a second distant pair of stars. Only six ... > full story -
Nearby Super-Earth Likely a Diamond Planet
October 11, 2012 — New research suggests that a rocky planet twice Earth's size orbiting a nearby star is a diamond planet. The planet -- called 55 Cancri e -- has a radius twice Earth's, and a mass eight times ... > full story -
The Helix Nebula: Bigger in Death Than Life
October 4, 2012 — A dying star is refusing to go quietly into the night, as seen in a combined infrared and ultraviolet view from NASA's Spitzer Space Telescope and the Galaxy Evolution Explorer (GALEX), which NASA ... > full story -
First Planets Found Around Sun-Like Stars in a Cluster
September 14, 2012 — Astronomers have, for the first time, spotted planets orbiting sun-like stars in a crowded cluster of stars. The findings offer the best evidence yet that planets can sprout up in dense stellar ... > full story -
Planets Can Form in the Galactic Center
September 11, 2012 — At first glance, the center of the Milky Way seems like a very inhospitable place to try to form a planet. Powerful gravitational forces from a supermassive black hole twist and warp the fabric of ... > full story -
Extreme Life Forms Might Be Able to Survive on Eccentric Exoplanets
September 11, 2012 — Astronomers have discovered a veritable rogues' gallery of odd exoplanets -- from scorching hot worlds with molten surfaces to frigid ice balls. And while the hunt continues for the elusive "blue ... > full story -
Hubble Resolves Globular Cluster M 4 Into Multitude of Glowing Orbs
September 7, 2012 — A sparkling picture taken by the NASA/ESA Hubble Space Telescope shows the center of globular cluster M 4. The power of Hubble has resolved the cluster into a multitude of glowing orbs, each a ... > full story
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