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Baby Galaxies Grew Up Quickly
Baby galaxies from the young
universe more than 12
billion years ago evolved
faster than previously
thought, shows new research.
This means that already in
the early history of the
... > full story
Under 'Dark Halo' Old Galaxies Have Many More Stars
Some of the oldest galaxies
in the Universe have three
times more stellar mass, and
so many more stars, than all
current models of galaxy
evolution predict. ... > full story
Vast Structure of Satellite Galaxies Discovered: Do the Milky Way’s Companions Spell Trouble for Dark Matter?
Astronomers have discovered
a vast structure of
satellite galaxies and
clusters of stars
surrounding our Galaxy,
... > full story
Serious Blow to Dark Matter Theories? New Study Finds Mysterious Lack of Dark Matter in Sun's Neighborhood
The most accurate study so
far of the motions of stars
in the Milky Way has found
no evidence for dark matter
in a large volume around the
... > full story
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On the Border Between Matter and Anti-Matter: Nanoscientists Find Long-Sought Majorana Particle
April 13, 2012 — Scientists in the Netherlands have succeeded for the first time in detecting a Majorana particle. In the 1930s, Italian physicist Ettore Majorana deduced from quantum theory the possibility of the ... > full story -
First-Ever Model Simulation of the Structuring of the Observable Universe
April 12, 2012 — Astronomers have performed the first-ever computer model simulation of the structuring of the entire observable universe, from the Big Bang to the present day. The simulation has made it possible to ... > full story -
Discovery of the Musket Ball Cluster, a System of Colliding Galaxy Clusters
April 12, 2012 — Using a combination of powerful observatories in space and on the ground, astronomers have observed a violent collision between two galaxy clusters in which so-called normal matter has been wrenched ... > full story -
Dwarf Galaxies Provide New Insights on Dark Matter
April 2, 2012 — Scientists have looked for signals from dark matter by zeroing in on 10 small, faint galaxies that orbit our own. Although no signals have been detected, a novel analysis technique applied to two ... > full story -
South Pole Telescope Homes in on Dark Energy, Neutrinos
April 2, 2012 — Analysis of data from the 10-meter South Pole Telescope is providing new support for the most widely accepted explanation of dark energy -- the source of the mysterious force that is responsible for ... > full story -
Clocking an Accelerating Universe: First Results from BOSS
March 30, 2012 — First spectroscopic results from BOSS give the most detailed look yet at the time when dark energy turned on some six billion light years ago, as the expansion of the universe was slipping from the ... > full storyMore: -
Dawn Sees New Surface Features on Giant Asteroid Vesta
March 21, 2012 — NASA's Dawn spacecraft has revealed unexpected details on the surface of the giant asteroid Vesta. New images and data highlight the diversity of Vesta's surface and reveal unusual geologic features, ... > full story -
Detection of Cosmic Effect May Bring Universe's Formation Into Sharper Focus
March 20, 2012 — The first observation of a cosmic effect theorized 40 years ago could provide astronomers with a more precise tool for understanding the forces behind the universe's formation and growth, including ... > full story -
First Atomic Hydrogen Spectral Line Images of a Nearby Galaxy
March 15, 2012 — Astronomers have now observed the radio emission from the neutral hydrogen gas (HI) in a nearby galaxy. Hydrogen gas emits radio emission in a spectral line at a very specific frequency of 1420 ... > full story -
Getting a Full Picture of an Elusive Subject: Astronomers Map Dark Matter in 3-D in Galaxy Cluster
March 14, 2012 — Two teams of astronomers have used data from NASA's Chandra X-ray Observatory and other telescopes to map the distribution of dark matter in a galaxy cluster known as Abell 383, which is located ... > full story
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