Stars don't obliterate their planets (very often)
(Phys.org) —Stars have an alluring pull on planets, especially those in a class called hot Jupiters, which are gas giants that form farther from their stars before migrating inward and heating up.
(Phys.org) —Stars have an alluring pull on planets, especially those in a class called hot Jupiters, which are gas giants that form farther from their stars before migrating inward and heating up.
Astronomy
Jun 6, 2013
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Astronomers have used the Subaru Telescope to show that the HAT-P-7 planetary system, which is about 1040 light years from Earth in the constellation Cygnus, includes at least two giant planets and one companion star (Figure ...
Astronomy
Jan 25, 2013
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An international team of astrophysicists has shown that planetary systems with very distant binary stars are particularly susceptible to violent disruptions, more so than if they had stellar companions with tighter orbits ...
Astronomy
Jan 6, 2013
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(Phys.org)—Like a ship plowing through still waters, the giant star Zeta Ophiuchi is speeding through space, making waves in the dust ahead. NASA's Spitzer Space Telescope has captured a dramatic, infrared portrait of these ...
Astronomy
Dec 19, 2012
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(Phys.org)—'Tis the season for holiday decorating and tree-trimming. Not to be left out, astronomers using NASA's Hubble Space Telescope have photographed a festive-looking nearby planetary nebula called NGC 5189. The intricate ...
Astronomy
Dec 18, 2012
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(Phys.org)—Astronomers using data from NASA's Wide-field Infrared Survey Explorer, or WISE, have discovered dust in an unusual place—just outside the reach of a binary star system with a short 3-hour orbit. The binary ...
Astronomy
Nov 14, 2012
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(Phys.org)—This colourful view of the globular star cluster NGC 6362 was captured by the Wide Field Imager attached to the MPG/ESO 2.2-metre telescope at ESO's La Silla Observatory in Chile. This new picture, along with ...
Astronomy
Oct 31, 2012
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(Phys.org)—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.
Astronomy
Oct 15, 2012
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(Phys.org)—In 1604, a new star appeared in the night sky that was much brighter than Jupiter and dimmed over several weeks. This event was witnessed by sky watchers including the famous astronomer Johannes Kepler. Centuries ...
Astronomy
Sep 11, 2012
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Pulsars are among the most exotic celestial bodies known. They have diameters of about 20 kilometres, but at the same time roughly the mass of our sun. A sugar-cube sized piece of its ultra-compact matter on the Earth would ...
Astronomy
Feb 2, 2012
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