The cold, dead asteroid Vesta might have had a very active inner life early in the solar system's history, according to an unusual analysis of a Saharan meteorite.
Space Exploration
Jan 21, 2013
10
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(Phys.org)—Nearly 200 000 light-years from Earth, the Large Magellanic Cloud, a satellite galaxy of the Milky Way, floats in space, in a long and slow dance around our galaxy. Vast clouds of gas within it slowly collapse ...
Astronomy
Jan 17, 2013
17
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(Phys.org)—When an asteroid streaked across the sky over California and Nevada and exploded last spring, scientists from across the world rushed to the scene to recover as many pieces of the space rock as possible.
Space Exploration
Jan 17, 2013
0
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(Phys.org)—Twin NASA probes orbiting Earth's moon have generated the highest resolution gravity field map of any celestial body.
Space Exploration
Dec 5, 2012
8
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(Phys.org)—Astronomers using the Atacama Large Millimeter/submillimeter Array have for the first time found that the outer region of a dusty disc encircling a brown dwarf contains millimetre-sized solid grains like those ...
Astronomy
Nov 30, 2012
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The mantles of Earth and other rocky planets are rich in magnesium and oxygen. Due to its simplicity, the mineral magnesium oxide is a good model for studying the nature of planetary interiors. New work from a team led by ...
Earth Sciences
Nov 22, 2012
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(Phys.org)—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 study by Rebecca Martin, a NASA Sagan Fellow from the University ...
Astronomy
Nov 1, 2012
5
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Now that astronomers routinely find far-flung planets orbiting other stars, a fellow at the Harvard-Smithsonian Center for Astrophysics (CfA) is pushing into a new frontier in detecting bodies outside our solar system: distant ...
Astronomy
Oct 23, 2012
3
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Among the oddities of the outer solar system are the middle-sized moons of Saturn, a half-dozen icy bodies dwarfed by Saturn's massive moon Titan. According to a new model for the origin of the Saturn system, these middle-sized ...
Space Exploration
Oct 17, 2012
2
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(Phys.org)—New research led by Yale University scientists suggests that a rocky planet twice Earth's size orbiting a nearby star is a diamond planet.
Astronomy
Oct 11, 2012
21
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