Astronomy
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AstronomyChilly starlike orb found just a few light-years away
WISE J085510.83-071442.5 is the coldest brown dwarf found to date.
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AstronomyMore details of super-bright supernova released
A supernova whose light was magnified by a large galaxy in front of it is changing the way astronomers think about distant cosmic objects.
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Planetary ScienceMountains on Saturn moon may have come from space
A mountainous ridge around the equator of Iapetus, one of Saturn’s moons, may have formed from cosmic debris.
By Meghan Rosen -
AstronomyDistant swirling galaxy dwarfed by violent star killer
In a mosaic of images from a telescope in Chile, dark dust lanes and twisting tails betray a history of galactic collisions.
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Planetary ScienceRIP LADEE: 9/6/2013 – 4/18/2014
NASA’s Lunar Atmosphere and Dust Environment Explorer (LADEE) mission ended April 18.
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AstronomyWhite dwarf boosts light of stellar companion
A gravitational lens in a binary star lets astronomers weigh the core of a dead star.
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AstronomyEarth-sized planet found in star’s habitable zone
Astronomers have found a potentially habitable Earth-sized planet around a cool red star.
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Planetary ScienceSaturn may be getting a new moon
An icy object within Saturn's rings may be a new moon in the making.
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AstronomyEarly Mars couldn’t hold liquid water long
Small rocks hit Mars 3.6 billion years ago, suggesting an early atmosphere too thin for liquid water to hang around very long.
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CosmologyGalaxy’s gamma-ray glow may expose dark matter
An excess of gamma rays at the center of the Milky Way could be a signature of dark matter.
By Andrew Grant -
AstronomyNeutrinos from space rain down from all directions
Using Earth as a filter, scientists detect thousands of neutrinos from beyond the solar system.
By Andrew Grant -
CosmologySpeed of early universe’s expansion determined
The rate known as the Hubble constant is measured with great precision for the universe of 11 billion years ago.
By Andrew Grant