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.
Astronomy
Jan 12, 2012
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News tagged with extrasolar planets
The Milky Way contains at least 100 billion planets according to survey
(PhysOrg.com) -- Our Milky Way galaxy contains a minimum of 100 billion planets according to a detailed statistical study based on the detection of three extrasolar planets by an observational technique called microlensing.
Astronomy
Jan 12, 2012
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Exomoons? Kepler‘s on the hunt
Recently, I posted an article on the feasibility of detecting moons around extrasolar planets. It was determined that exceptionally large moons (roughly Earth mass moons or more), may well be detectable with current technology. ...
Astronomy
Jan 9, 2012
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Haul of 50 oscillating stars with orbiting planets found by Kepler Spacecraft
(PhysOrg.com) -- Oscillations have been discovered in 50 stars with their own orbiting candidate planets (exo- or extrasolar planets) by an international team of scientists using data from the NASA Kepler Mission, according ...
Astronomy
Dec 12, 2011
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Forget exomoons. Let’s talk exorings
In an article earlier this month, I discussed the potential for discovering moons orbiting extrasolar planets. I’d used an image of an exoplant system with rings, prompting one reader to ask if those would be possible ...
Astronomy
Nov 25, 2011
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Astronomers find elusive planets in decade-old Hubble data
(PhysOrg.com) -- In a painstaking re-analysis of Hubble Space Telescope images from 1998, astronomers have found visual evidence for two extrasolar planets that went undetected back then.
Astronomy
Oct 6, 2011
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How common are earth-moon planetary systems?
Sebastian Elser, Prof. Ben Moore and Dr. Joachim Stadel of the University of Zurich, Switzerland, in cooperation with Ryuji Morishima of NASA's Jet Propulsion Laboratory, tried to estimate how common Earth-Moon planetary ...
Astronomy
Sep 18, 2011
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Hubble to target 'hot jupiters'
(PhysOrg.com) -- An international team of astronomers led by a former UA graduate student has set out on the largest program to date exploring the alien atmospheres of "Hot Jupiters" - massive planets in solar systems far ...
Astronomy
Aug 22, 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 as well, this ...
Astronomy
Aug 8, 2011
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Sulfurous signs of life
Any sulfurous molecules that astronomers spot on alien worlds might be a way to reveal whether or not those distant planets host life, researchers suggest.
Astronomy
Jun 30, 2011
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