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Updated: 2 hours 43 min ago

VLT confirms that G2 survived close approach and is a compact object

Fri, 03/27/2015 - 03:00
It is most likely to be a young star with a massive core that is still accreting material.
Categories: Astronomy Headlines

Hubble and Chandra discover dark matter is not as sticky as once thought

Fri, 03/27/2015 - 03:00
Dark matter does not slow down when colliding with each other, which means that it interacts with itself even less than previously thought.
Categories: Astronomy Headlines

I ZW 18: The galaxy that reveals the universe’s history

Thu, 03/26/2015 - 03:00
The dwarf galaxy is the least abundant in metals in the nearby universe and one of the most akin to the primeval galaxies.
Categories: Astronomy Headlines

Suzaku, Herschel link a black-hole “wind” to a galactic gush of star-forming gas

Thu, 03/26/2015 - 03:00
The finding validates a long-suspected feedback mechanism enabling a supermassive black hole to influence the evolution of its host galaxy.
Categories: Astronomy Headlines

Our solar system may have once harbored super-Earths

Wed, 03/25/2015 - 03:00
The new work addresses why the terrestrial planets in our solar system have such relatively low masses compared to the exoplanets orbiting other Sun-like stars.
Categories: Astronomy Headlines

Curiosity rover finds biologically useful nitrogen on Mars

Wed, 03/25/2015 - 03:00
Scientists have long thought that nitrates would be produced on the Red Planet from the energy released in meteorite impacts, and the amounts they found agree with estimates from this process.
Categories: Astronomy Headlines

NASA’s SOFIA finds missing link between supernovae and planet formation

Tue, 03/24/2015 - 03:00
Observations reveal that a particular supernova produced a cloud that contains enough dust to make 7,000 Earths.
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NASA satellites catch a “growth spurt” from a newborn protostar

Tue, 03/24/2015 - 03:00
The observed outburst reveals a sudden accumulation of gas and dust.
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APEX observations help unravel mystery of Nova Vulpeculae 1670

Mon, 03/23/2015 - 03:00
The star, which astronomers saw appear in the sky in 1670, was not a nova, but a spectacular collision between two stars, more brilliant than a nova, but less so than a supernova.
Categories: Astronomy Headlines

Mini supernova explosion could have big impact

Mon, 03/23/2015 - 03:00
Astronomers using NASA’s Chandra X-ray Observatory are studying nova GK Persei to provide clues to the dynamics of much larger stellar explosions.
Categories: Astronomy Headlines

Public asked to help name features on Pluto

Fri, 03/20/2015 - 03:00
New Horizons’ flyby past Pluto and its largest moon, Charon, will transform them from poorly seen hazy bodies to tangible worlds with distinct features.
Categories: Astronomy Headlines

New instrument extends the search for extraterrestrial intelligence to new realms

Fri, 03/20/2015 - 03:00
The instrument has just begun to scour the sky for messages from other worlds.
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Hover campaign promises bird’s-eye view of Mercury’s surface

Thu, 03/19/2015 - 03:00
The MESSENGER team initiated the “hover” observation campaign, which was designed to gather data from the planet at ultra-low altitudes until the last possible moment.
Categories: Astronomy Headlines

Extent of Moon’s giant volcanic eruption is revealed

Thu, 03/19/2015 - 03:00
A team of astronomers and geologists have produced a new map of the Moon’s most unusual volcano showing that its explosive eruption spread debris over an area much greater than previously thought.
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Spacecraft detects aurora and mysterious dust cloud around Mars

Wed, 03/18/2015 - 03:00
Although the source and composition of the dust are unknown, there is no hazard to MAVEN and other spacecraft orbiting Mars.
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Iron rain fell on early Earth, new Z machine data supports

Wed, 03/18/2015 - 03:00
Instead of core formation occurring by iron sinking down to the growing Earth’s core in large blobs, that iron was vaporized, spread out in a plume over the surface of Earth and rained out as small droplets.
Categories: Astronomy Headlines

Colorful life-form catalog will help discern if we’re alone

Tue, 03/17/2015 - 03:00
This database gives us the first glimpse at what diverse worlds out there could look like.
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New MESSENGER maps of Mercury’s surface chemistry provide clues to the planet’s history

Mon, 03/16/2015 - 03:00
The chemical variability revealed will provide critical constraints on future efforts to model and understand Mercury’s bulk composition and the ancient geological processes that shaped the planet’s mantle and crust
Categories: Astronomy Headlines

New desktop application has potential to increase asteroid detection

Mon, 03/16/2015 - 03:00
Analysis of images taken of our solar system’s main belt asteroids between Mars and Jupiter using a new algorithm showed a 15 percent increase in positive identification of new asteroids.
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OSIRIS detects hints of ice in Rosetta comet’s neck

Fri, 03/13/2015 - 03:00
The Hapi region is located between 67P’s two lobes and has in the past months proven to be particularly active and the source of spectacular jets of dust and gas.
Categories: Astronomy Headlines

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