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Monster Galaxies Lose Their Appetite With Age
Our universe is filled with
gobs of galaxies, bound
together by gravity into
larger families called
clusters. Lying at the heart
of most clusters is a
... > full story
When Galaxies Switch Off: Hubble's COSMOS Survey Solves 'Quenched' Galaxy Mystery
Some galaxies hit a point in
their lives when their star
formation is snuffed out,
and they become "quenched".
Quenched galaxies in the
... > full story
Image of Sun-Approaching Comet ISON
In this Hubble composite
image taken in April 2013,
the sun-approaching Comet
ISON floats against a
seemingly infinite backdrop
of numerous galaxies and a
... > full story
Starburst to Star Bust: Light Shed on Mystery of Missing Massive Galaxies
The cosmic fireworks that
characterize a starburst
galaxy can abruptly fizzle
out after only a relatively
brief period of star
... > full story
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Removing Complexity Layers from the Universe's Creation
July 26, 2013 — Understanding complexity in the early universe may require combining simpler models to interpret cosmological observations. Complicated statistical behavior observed in complex systems such as early ... > full story -
Scientists Discover Surprising Importance of 'I Love Q' for Understanding Neutron Stars
July 25, 2013 — Astrophysicists have discovered why scientists can learn a tremendous amount about neutron stars and quark stars without knowing the details of their internal ... > full story -
New Record for Cosmic X-Ray Sightings: Exploring Extreme Universe With Rich New Resource
July 23, 2013 — Scientists have set a new record for cosmic X-ray sources ever sighted -- creating an unprecedented cosmic X-ray catalog that will provide a valuable resource allowing astronomers to explore the ... > full story -
Earth's Gold Came from Colliding Dead Stars
July 17, 2013 — We value gold for many reasons: Its beauty, its usefulness as jewelry, and its rarity. Gold is rare on Earth in part because it's also rare in the universe. Unlike elements like carbon or iron, it ... > full story -
Ghost Particles: New Limits on Extremely Rare Decay
July 17, 2013 — Neutrinos are the most elusive particles having extremely weak interactions with all other particles. They have rather unusual properties and are even expected to be identical with their own ... > full story -
New Findings on Makeup of Universe May Spawn Research
July 16, 2013 — New areas of extragalactic study may emerge from research by astrophysicists using data from the Chandra Space Telescope to conclude that baryons making up all visible matter – once thought to ... > full story -
The Universe or the Brain: Where Does Math Originate?
July 15, 2013 — Four scientists debate whether math is an inherent part of the universe, or merely how our brains cope with - and explain - our ... > full story -
Stellar Monsters Do Not Collide: No Hope for a Spectacular Catastrophe
July 11, 2013 — One might expect that collisions between the remains of monstrous stars, with masses reaching 200-300 times that of our Sun, would be among the most spectacular phenomena in the Universe. Perhaps ... > full story -
Space-Time Is Not the Same for Everyone
July 9, 2013 — Before the Big Bang, space-time as we know it did not exist. So how was it born? The process of creating normal space-time from an earlier state dominated by quantum gravity has been studied for ... > full story -
Cosmic Radio Bursts Point to Cataclysmic Origins
July 5, 2013 — Mysterious bursts of radio waves originating from billions of light years away have left the scientists who detected them speculating about their origins. The burst energetics indicate that they ... > full story
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