News tagged with parent star
Scientists help define structure of exoplanets
Using models similar to those used in weapons research, scientists may soon know more about exoplanets, those objects beyond the realm of our solar system.
Feb 01, 2012 |
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Planets around stars are the rule rather than the exception
There are more exoplanets further away from their parent stars than originally thought, according to new astrophysics research.
Jan 12, 2012 |
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Kepler finds first earth-size planets beyond our solar system
(PhysOrg.com) -- NASA's Kepler mission has discovered the first Earth-size planets orbiting a sun-like star outside our solar system. The planets, called Kepler-20e and Kepler-20f, are too close to their star ...
Dec 20, 2011 |
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New planet -- Kepler-21b -- discovered
(PhysOrg.com) -- The NASA Kepler Mission is designed to survey a portion of our region of the Milky Way Galaxy to discover Earth-size planets in or near the “habitable zone,” the region in a planetary ...
Nov 30, 2011 |
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City lights could reveal E.T. civilization
In the search for extraterrestrial intelligence, astronomers have hunted for radio signals and ultra-short laser pulses. In a new paper, Avi Loeb (Harvard-Smithsonian Center for Astrophysics) and Edwin Turner ...
Nov 03, 2011 |
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Homeless supernovae
In a post earlier this month, we looked at a team of astronomers searching for stars that were on ejected from their birthplaces in clusters. These stars could receive the needed kick from a gravitational swing ...
Sep 27, 2011 |
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Star blasts planet with X-rays
A nearby star is pummeling a companion planet with a barrage of X-rays a hundred thousand times more intense than the Earth receives from the Sun.
Sep 13, 2011 |
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Where's the debris for transiting planets?
For many exoplanet systems that have been discovered by the radial velocity method, astronomers have found excess emission in the infrared portion of the spectrum. This has generally been interpreted as remnants ...
Sep 06, 2011 |
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Greenhouse effect could extend habitable zone
The distant region beyond Saturn is too cold for liquid water, a necessity for life as we know it. But new research indicates that rocky planets far from their parent star could generate enough heat to keep ...
Aug 26, 2011 |
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As cool as the human body: Wise mission discovers coolest class of stars
(PhysOrg.com) -- Scientists using data from NASA's Wide-field Infrared Survey Explorer (WISE) have discovered the coldest class of star-like bodies, with temperatures as cool as the human body.
Aug 24, 2011 |
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Two more kepler planets confirmed
Hot on the heels of confirming one Kepler planet, the Hobby-Eberly Telescope announces the confirmation of another planet. Another observatory, the Nordic Optical Telescope, confirms its first Kepler planet ...
Aug 08, 2011 |
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New planet discovered in Trinary star system
Until recently, astronomers were highly skeptical of whether or not planets should be possible in multiple star systems. It was expected that the constantly varying gravitational force would eventually tug ...
Jul 14, 2011 |
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The making of dust
(PhysOrg.com) -- On the Earth, dust particles are everywhere - under beds, on bookshelves, even floating in the air. We take dust for granted. Dust is also common in space, and it is found for example in the ...
Jul 06, 2011 |
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Transiting super-Earth detected around naked eye star
One of the first known stars to host an extrasolar planet, was that of 55 Cancri. The first planet in this system was reported in 1997 and today the system is known to host at least five planets, the inner ...
May 02, 2011 |
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Baby stars born to 'napping' parents
(PhysOrg.com) -- Cardiff University astronomers believe that a young star's long "napping" could trigger the formation of a second generation of smaller stars and planets orbiting around it.
Mar 09, 2011 |
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