Astronomy

BOSS makes the most precise measurement yet of the universe's expansion

Astronomy Magazine - Mon, 04/07/2014 - 04:00

The Baryon Oscillation Spectroscopic Survey data has helped astronomers learn how fast the universe was expanding just 3 billion years after the Big Bang.

Categories: Astronomy

NASA satellite to continue gathering data up to planned lunar impact

Astronomy Magazine - Mon, 04/07/2014 - 04:00

The LADEE spacecraft is scheduled to crash into the Moon's surface on or before April 21, but it will continue gathering data as it descends to lower orbital altitudes.

Categories: Astronomy

Hubble team finds monster “El Gordo” galaxy cluster bigger than thought

Astronomy Magazine - Fri, 04/04/2014 - 19:00
Astronomers have calculated the mass of the cluster to be as much as 3 million billion times the mass of our Sun.
Categories: Astronomy

NASA space assets detect ocean inside Saturn moon

Astronomy Magazine - Fri, 04/04/2014 - 04:00
The new data provide the first geophysical measurements of the internal structure of Enceladus.
Categories: Astronomy

Fermi data tantalize with new clues to dark matter

Astronomy Magazine - Thu, 04/03/2014 - 19:00
New maps show that the Milky Way’s center produces more high-energy gamma rays than can be explained by known sources and that this excess emission is consistent with some forms of dark matter.
Categories: Astronomy

Ancient volcanic explosions shed light on Mercury’s origins

Astronomy Magazine - Thu, 04/03/2014 - 04:00
MESSENGER’s glimpses of the surface revealed deposits of pyroclastic ash — the telltale signs of volcanic explosions — peppering the planet’s surface.
Categories: Astronomy

Galactic serial killer

Astronomy Magazine - Wed, 04/02/2014 - 04:00
A new image reveals the violent history of NGC 1316.
Categories: Astronomy

Spitzer sees the galactic dawn with “Frontier Fields”

Astronomy Magazine - Tue, 04/01/2014 - 19:30
The project is a collaboration with the Hubble Space Telescope and the Chandra X-ray Observatory, embarking on a new mission to glimpse the universe’s first galaxies.
Categories: Astronomy

Star-quakes reveal content of stars that are hotter and more massive than the Sun

Astronomy Magazine - Tue, 04/01/2014 - 04:00
New work shows that scientists can understand stars up to four times the mass of the Sun with the same level of precision as that of solar-type stars.
Categories: Astronomy

A new nova shines in Cygnus

Astronomy Magazine - Tue, 04/01/2014 - 04:00
Astronomers report the discovery of an erupting star temporarily designated PNV J20214234+3103296.
Categories: Astronomy

First sightings of solar flare phenomena confirm 3-D models of space weather

Astronomy Magazine - Mon, 03/31/2014 - 04:00
A video of magnetic field lines “slipping reconnection” bring scientists a step closer to predicting when and where large flares will occur.
Categories: Astronomy

Rosetta sets sights on destination comet

Astronomy Magazine - Fri, 03/28/2014 - 04:00
The European Space Agency's (ESA) Rosetta spacecraft has caught its first glimpse of its destination comet after waking up from deep-space hibernation on January 20. Rosetta took the "first light" images March 20 and 21 using the Optical, Spectroscopic, and Infrared Remote Imaging System (OSIRIS). These pictures are part of six weeks of activities dedicated to preparing the spacecraft’s science instruments for close-up study of comet 67P/Churyumov-Gerasimenko. OSIRIS, developed under the l
Categories: Astronomy

NASA's Hubble Space Telescope spots Mars-bound comet sprout multiple jets

Astronomy Magazine - Fri, 03/28/2014 - 04:00
The observation of Comet Siding Spring (C/2013 A1) should allow astronomer to measure the direction of the nucleus' pole and axis of rotation.
Categories: Astronomy

The search for seeds of black holes

Astronomy Magazine - Thu, 03/27/2014 - 19:30
The discovery of dwarf galaxy black holes that are bigger than expected suggests that galaxy mergers are not necessary to create black holes.
Categories: Astronomy

Scientists solve riddle of celestial archaeology

Astronomy Magazine - Thu, 03/27/2014 - 04:00
Researchers have discovered that many white dwarfs show signs of contamination by rocky material, the leftovers from a planetary system.
Categories: Astronomy

Asteroid Chariklo found to have two rings

Astronomy Magazine - Wed, 03/26/2014 - 17:00
This is the smallest object by far found to have rings and only the fifth body in the solar system to have this feature.
Categories: Astronomy

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