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Updated: 4 hours 50 min ago

NASA’s New Horizons spots Pluto’s faintest known moons

Wed, 05/13/2015 - 04:00
Now the spacecraft will begin its first search for new moons or rings that might threaten its passage through the Pluto system.
Categories: Astronomy

Ceres showcases bright spots

Tue, 05/12/2015 - 04:00
Dawn scientists can now conclude that the intense brightness of these spots is due to the reflection of sunlight by highly reflective material on the surface, possibly ice.
Categories: Astronomy

Lopsided star explosion holds the key to other supernova mysteries

Tue, 05/12/2015 - 04:00
Astronomers have found the best proof yet that the mechanism that triggers core-collapse supernovae is inherently lopsided.
Categories: Astronomy

MESSENGER reveals Mercury’s ancient magnetic field

Mon, 05/11/2015 - 04:00
The discovery wouldn’t have been possible without the spacecraft flying incredibly close to the planet in the months before impact.
Categories: Astronomy

ALMA discovers proto super star cluster

Mon, 05/11/2015 - 04:00
Though plentiful in and around many galaxies, newborn examples of globular cluster are vanishingly rare and the conditions necessary to create new ones have never been detected until now.
Categories: Astronomy

NASA's Hubble finds giant halo around the Andromeda Galaxy

Fri, 05/08/2015 - 04:00
This gaseous atmosphere of our neighboring galaxy is about 1,000 times more massive than previously estimated and stretches halfway to the Milky Way.
Categories: Astronomy

Saturn moon’s activity could be “curtain eruptions”

Thu, 05/07/2015 - 04:00
Scientists think most of the observed activity on Enceladus represents curtain eruptions from the “tiger stripe” fractures, rather than intermittent geysers along them.
Categories: Astronomy

Fresh evidence for how water reached Earth found in asteroid debris

Thu, 05/07/2015 - 04:00
New research finds that water-rich asteroids similar to those found in our solar system are plentiful in the galaxy.
Categories: Astronomy

NASA's SDO observes "Cinco de Mayo" solar flare

Wed, 05/06/2015 - 04:00
This burst of radiation was the most powerful so far this year and already has resulted in a radio blackout.
Categories: Astronomy

Astronomers set a new galaxy distance record

Tue, 05/05/2015 - 04:00
A team discovered an exceptionally luminous galaxy more than 13 billion years in the past; it existed so long ago that it appears to be only 100 million years old.
Categories: Astronomy

Astronomers find first evidence of changing conditions on a super-Earth

Tue, 05/05/2015 - 04:00
The ability to peek into the atmospheres of rocky “super-Earths” and observe conditions on their surfaces marks an important milestone toward identifying habitable planets outside the solar system.
Categories: Astronomy

Pulsar with widest orbit ever detected, discovered by high school research team

Mon, 05/04/2015 - 04:00
Further observations by astronomers using the Green Bank Telescope revealed that this pulsar is part of only a handful of double neutron star systems.
Categories: Astronomy

Strong evidence for coronal heating theory by nanoflares

Mon, 05/04/2015 - 04:00
Clear evidence now suggests that the heating mechanism depends on regular but intermittent explosive bursts of heat, rather than on continuous gradual heating.
Categories: Astronomy

New exoplanet too big for its star

Fri, 05/01/2015 - 04:00
Scientists have discovered an exoplanet with Saturn’s mass and Jupiter’s radius orbiting a small, cool star.
Categories: Astronomy

Chandra suggests black holes gorging at excessive rates

Fri, 05/01/2015 - 04:00
This finding may help astronomers understand how the largest black holes were able to grow so rapidly in the early universe.
Categories: Astronomy

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