Astronomy

Carbon monoxide predicts “red and dead” future of gas-guzzler galaxy

Astronomy Magazine - Thu, 07/10/2014 - 20:00
Finding and studying carbon monoxide in more galaxies will tell astronomers even more about how stars formed in the early days of the universe and help solve the mystery of far-away “red and dead” galaxies.
Categories: Astronomy

The Very Large Telescope clears up dusty mystery

Astronomy Magazine - Thu, 07/10/2014 - 04:00
For the first time, scientists show that a supernova explosion, a cosmic dust factory, makes its grains in a two-stage process, starting soon after the explosion but continuing for years afterward.
Categories: Astronomy

Astronomers bring the third dimension to a doomed star's outburst

Astronomy Magazine - Wed, 07/09/2014 - 20:00
A team of astronomers has used extensive new observations to create the first high-resolution 3-D model of the expanding cloud produced by Eta Carinae in the 19th century.
Categories: Astronomy

Laboratory models suggest that stretching forces shaped Jupiter moon’s surface

Astronomy Magazine - Wed, 07/09/2014 - 04:00
Scientists say processes that shaped the ridges and troughs on the surface of Ganymede are likely similar to tectonic processes seen on Earth.
Categories: Astronomy

A source of the most powerful cosmic rays?

Astronomy Magazine - Tue, 07/08/2014 - 20:00
An observatory found a “hotspot” near the Big Dipper that emits a disproportionate number of highest-energy cosmic rays.
Categories: Astronomy

Astronomers find supermassive black hole blasting molecular gas at 600,000 miles per hour from a galaxy

Astronomy Magazine - Tue, 07/08/2014 - 04:00
A study provides the first direct evidence that black holes’ energetic jets of electrons that are moving at close to the speed of light accelerate molecular outflows.
Categories: Astronomy

How the faintest galaxies illuminated the early universe

Astronomy Magazine - Mon, 07/07/2014 - 04:00
Simulations reveal that dwarf galaxies were so plentiful that they contributed a significant fraction of ultraviolet light in the reionization process.
Categories: Astronomy

Newfound frozen world orbits in binary star system

Astronomy Magazine - Mon, 07/07/2014 - 04:00
A study provided the first evidence that terrestrial planets can form in orbits similar to Earth’s, even in a binary star system where the stars are not far apart.
Categories: Astronomy

Ocean on Saturn moon could be as salty as the Dead Sea

Astronomy Magazine - Thu, 07/03/2014 - 17:00
Using the Cassini data, researchers presented a model structure for Titan, resulting in an improved understanding of the structure of the moon’s outer ice shell.
Categories: Astronomy

Black hole fireworks in nearby galaxy

Astronomy Magazine - Thu, 07/03/2014 - 04:00
A new study estimates that shock waves from M106’s supermassive black hole have already warmed and ejected two-thirds of the gas from the galaxy’s center.
Categories: Astronomy

A stellar womb shaped and destroyed by its ungrateful offspring

Astronomy Magazine - Wed, 07/02/2014 - 20:00
Astronomers have imaged the little-known cloud of cosmic gas and dust Gum 15, which is home to hot young stars that eventually will destroy their parent nebula.
Categories: Astronomy

<i>Astronomy</i> magazine writer wins planetary science journalism award

Astronomy Magazine - Wed, 07/02/2014 - 04:00
Contributor James Oberg wins the 2014 AAS Jonathan Eberhart Planetary Sciences Journalism Award for his December 2013 Astronomy article, “Torrid Mercury’s icy poles.”
Categories: Astronomy

NASA launches carbon mission to watch Earth breathe

Astronomy Magazine - Wed, 07/02/2014 - 04:00
The Orbiting Carbon Observatory-2 soon will begin a mission to locate sources of and storage places for atmospheric carbon dioxide.
Categories: Astronomy

Merging galaxies illuminate the cosmic food chain

Astronomy Magazine - Tue, 07/01/2014 - 19:00
Scientists studying a “twin” of the Milky Way have used the W. M. Keck Observatory and Subaru Observatory to accurately model how it is swallowing another smaller galaxy.
Categories: Astronomy

Rosetta's comet "sweats" two glasses of water per second

Astronomy Magazine - Tue, 07/01/2014 - 04:00
Scientists were surprised at how early the spacecraft detected water vapor outgassing from Comet 67P/Churyumov-Gerasimenko.
Categories: Astronomy

Organic conundrum in Large Magellanic Cloud

Astronomy Magazine - Mon, 06/30/2014 - 18:00
A group of organic chemicals may hold clues on how carbon-rich chemicals created in stars are processed and recycled in space.
Categories: Astronomy

Puffing Sun gives birth to reluctant eruption

Astronomy Magazine - Mon, 06/30/2014 - 04:00
Sun-gazing spacecraft have spotted an unusual series of eruptions in which fast puffs forced the slow ejection of a massive burst of solar material from the Sun's atmosphere.
Categories: Astronomy

How the "Pillars of Creation" were created

Astronomy Magazine - Fri, 06/27/2014 - 18:00
A new computer simulation indicates that massive stars play a much more complex role than previously thought in future star formation.
Categories: Astronomy

Athena to study the hot and energetic universe

Astronomy Magazine - Fri, 06/27/2014 - 04:00
The observatory will take the “L2” slot in the European Space Agency’s Cosmic Vision 2015–25 plan with a launch foreseen in 2028.
Categories: Astronomy

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