(Phys.org) -- Observations from NASA's Wide-field Infrared Survey Explorer (WISE) have led to the best assessment yet of our solar system's population of potentially hazardous asteroids. The results reveal new information ...
Space Exploration
May 17, 2012
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(PhysOrg.com) -- The formation and development of the solar system, long a topic of study for philosophers and scientists, is today often used as a case study for the formation and development of planetary systems around ...
Astronomy
Mar 14, 2012
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(PhysOrg.com) -- Our galaxy may be awash in homeless planets, wandering through space instead of orbiting a star.
Astronomy
Feb 23, 2012
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(PhysOrg.com) -- Three planets -- each orbiting its own giant, dying star -- have been discovered by an international research team led by a Penn State University astronomer. Using the Hobby-Eberly Telescope, astronomers ...
Astronomy
Oct 27, 2011
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(PhysOrg.com) -- A giant Jupiter-like gas planet has been revealed to be the most light-thirsty object in the known universe -- a finding that may help astronomers better understand a mysterious characteristic of similar ...
Astronomy
Sep 27, 2011
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(PhysOrg.com) -- A team at Southern Illinois University Edwardsville has developed a new website, IceHunters (http://www.icehunters.org), to challenge the public to discover Kuiper Belt objects in the outer solar system. ...
Space Exploration
Jun 22, 2011
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(PhysOrg.com) -- The process of star formation, once thought to involve just the simple coalescence of material under the influence of gravity, actually entails a complex series of stages, with the youngest stars assembling ...
Astronomy
Jun 14, 2011
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(PhysOrg.com) -- Astronomers using the South Pole Telescope report that they have discovered the most massive galaxy cluster yet seen at a distance of 7 billion light-years. The cluster (designated SPT-CL J0546-5345) weighs ...
Astronomy
Oct 13, 2010
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Near Earth Objects (NEOs) are asteroids or comets whose orbits sometimes take them close to the earth's orbit. An NEO could therefore someday collide with the earth -- and there are almost 7000 of them known, with several ...
Astronomy
Aug 27, 2010
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(PhysOrg.com) -- Until now, astronomers have used telescopes to find Kuiper Belt objects (KBOs), moon-sized bodies, and obtain their spectra to determine what types of ices are on their surface. They have also used thermal-imaging ...
Astronomy
Jun 16, 2010
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