Space
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Space
School teacher spots green blob
Mystery object appears to be a starless dwarf galaxy.
By Janet Raloff -
Astronomy
Citizen Astronomy
Astronomers have found big benefits from recruiting the public to lend their eyes and image-processing prowess
By Janet Raloff -
Astronomy
Too much information in the Odyssey
A controversial interpretation of passages from the Odyssey suggests that Homer knew much more about planetary motions than historians thought possible.
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Space
Martian soil hints at water, nutrients
The first chemical analysis of dirt by the Mars Phoenix Lander supports the notion that liquid water flowed on the Red Planet at some point.
By Ron Cowen -
Astronomy
Impact may have transformed Mars
Three teams suggest that a huge object slammed into Mars, giving the planet an unusually dualistic topography.
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Space
Safe from black holes
The Large Hadron Collider could generate black holes, but they would be too tiny and short-lived to do any harm and would be no more malevolent than the cosmic rays constantly bombarding Earth, two new reports find.
By Ron Cowen -
Astronomy
Galaxy Zoo’s blue mystery (part 2)
Featured blog: The enigmatic "Voorwerp" may be a dwarf galaxy lit by the ghostly echoes of a long-gone quasar.
By Janet Raloff -
Astronomy
ExtraSolar
Astronomers hope that new tools will enable them to capture the first image of one of the 300 known planets orbiting distant stars.
By Ron Cowen -
Physics
Galaxy Zoo’s blue mystery (part I)
A Dutch science teacher found a novel celestial object that had eluded the notice of astronomers.
By Janet Raloff -
Space
Twinkle, twinkle little planet
Scientists could use scattered light to identify habitable extrasolar planets.
By Ron Cowen -
Space
Rocky cores form first
A theorist says new extrasolar findings prove that the standard model of planet formation is correct.
By Ron Cowen