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Space & Earth science / Astronomy news 1234

Detective astronomers unearth hidden celestial gem

June 10, 2008 | User rating: 4.3 / 5 after 9 vote(s) | User comments: 3

ESA’s orbiting X-ray observatory XMM-Newton has re-discovered an ignored celestial gem. The object in question is one of the youngest and brightest supernova remnants in the Milky Way, the corpse of a star ...


Hubble's sweeping view of the Coma Galaxy Cluster

June 10, 2008 | User rating: 4.4 / 5 after 17 vote(s) | No comments yet

Hubble's Advanced Camera for Surveys has observed a large portion of the Coma Cluster, stretching across several million light-years. The entire cluster is more than 20 million light-years in diameter, is ...


Radio astronomers detect 'baby quasar' near the edge of the visible Universe

June 06, 2008 | User rating: 4.7 / 5 after 32 vote(s) | User comments: 3

An international group of radio astronomers has found an unexpected morphology in the most distant radio quasar ever. This was done using the world's most sensitive network of radio telescopes called the European ...


W28: A Mixed Bag of Supernova Remnant

June 04, 2008 | User rating: not shown ( 4 vote(s) ) | No comments yet

When some stars die, they explode as supernovas and their debris fields (aka, "supernova remnants") expand into the surrounding environments. There are several different types, or categories, of supernova ...


Milky Way's infrared portrait gives new view of galaxy

June 03, 2008 | User rating: 4.8 / 5 after 24 vote(s) | User comments: 1

Humans have always had a ringside seat for viewing the Milky Way. Now, however, thanks to NASA's Spitzer Space Telescope, astronomers have obtained an entirely new perspective of our home galaxy: a complete ...


Hubble Space Telescope Spies Galaxy/Black Hole Evolution in Action

June 03, 2008 | User rating: 4.2 / 5 after 19 vote(s) | No comments yet

A set of 29 Hubble Space Telescope (HST) images of an exotic type of active galaxy known as a "post-starburst quasar" show that interactions and mergers drive both galaxy evolution and the growth of super-massive ...


White Dwarf Lost in Planetary Nebula

June 03, 2008 | User rating: 4.1 / 5 after 9 vote(s) | No comments yet

Call it the case of the missing dwarf. A team of stellar astronomers is engaged in an interstellar CSI (crime scene investigation). They have two suspects, traces of assault and battery, but no corpse.


Milky Way Mapping Project Finds Surprisingly Slow Stars

June 03, 2008 | User rating: 4.3 / 5 after 15 vote(s) | User comments: 1

On Earth, making a map is as easy as taking aerial photographs or surveying a patch of land on foot. In contrast, mapping the Milky Way galaxy is a tremendous challenge. The distances are too large to travel, ...


Milky Way's Inner Beauty Revealed

June 03, 2008 | User rating: 4.7 / 5 after 36 vote(s) | User comments: 3

We live in the Milky Way galaxy - a disk-shaped collection of about 400 billion stars including the Sun. Many of those stars and much of the dense gas between the stars concentrate into large arms that spiral ...


Astronomers weigh the coldest brown dwarfs with astronomy's sharpest eyes

June 02, 2008 | User rating: 4.3 / 5 after 14 vote(s) | User comments: 1

Astronomers have used ultrasharp images obtained with the Keck Telescope and Hubble Space Telescope to determine for the first time the masses of the coldest class of "failed stars," a.k.a. brown dwarfs. With ...


Newly discovered extrasolar planet is the smallest known and has smallest host star

June 02, 2008 | User rating: 4.7 / 5 after 27 vote(s) | User comments: 1

Astronomers have discovered an extrasolar planet only three times more massive than our own, the smallest yet observed orbiting a normal star. The star itself is not large, perhaps as little as one twentieth ...


Heart of the Crab Pulsar probed -- first direct look into the core of a neutron star

June 02, 2008 | User rating: 4.3 / 5 after 19 vote(s) | User comments: 6

New information about the heart of one of the most famous objects in the sky -- the Crab Pulsar in the Crab Nebula -- has been revealed by an international team of scientists searching for gravitational waves. ...


Famous Supernovae Still Echo Across the Milky Way

May 30, 2008 | User rating: 4.7 / 5 after 19 vote(s) | No comments yet

While walking home on November 11, 1572, astronomer Tycho Brahe idly glanced at the sky. He was surprised to see a bright star in the constellation Cassiopeia that hadn’t been there before. The new star, which ...


Scientists Hold Seance for Supernova

May 29, 2008 | User rating: 4.1 / 5 after 14 vote(s) | No comments yet

Astronomers have unearthed secrets from the grave of a star that blasted apart in a supernova explosion long ago. By decoding ghostly echoes of light traveling away from the remains of a supernova called Cassiopeia ...


Scientists find giant ring encircling exotic dead star

May 28, 2008 | User rating: 4.4 / 5 after 27 vote(s) | No comments yet

One of the most powerful eruptions in the universe might have spun an infrared ring around a rare and exotic star known as a magnetar, a highly magnetized neutron star and the remnant of a brilliant supernova ...


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