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Pluto is no longer considered to be a planet (but a dwarf planet) and our solar system now has only eight (8) proper planets, astronomers of the IAU decided.
Honey, I Shrunk the Solar System
Source: JPL/NASA Posted: 8/24/06
Dark matter and normal matter have been wrenched apart by the tremendous collision of two large clusters of galaxies. The discovery, using NASA's Chandra X-ray Observatory and other telescopes, gives direct evidence for the existence of dark matter.
NASA Finds Direct Proof of Dark Matter
Source: Chandra/NASA Posted: 8/24/06
Scientists at the BNL discover why astronauts are at greater risk when they were exposed to two types of high-energy particles in a short period of time.
One-Two Particle Punch Poses Greater Risk for Astronauts
Source: BNL Posted: 8/24/06
Scientists at NIST have used a beam of electrons to move a single atom in a small molecule back and forth between two positions on a crystal surface.
Unraveling the Secrets of an Atomic Switch
Source: NIST Posted: 8/24/06
A combination of X-ray and radio observations allowed astronomers to determine the Hubble constant using the so-called Sunyaev-Zeldovich effect.
Chandra Independently Determines Hubble Constant
Source: Chandra Posted: 8/8/06
Scientists find possible origin of mysterious red and blue lights in the Milky Way galaxy.
Red and Blue Lights in the Milky Way Galaxy
Source: NASA Posted: 8/8/06
Nuclear physicists are using Jefferson Lab's CEBAF accelerator to add an impurity — a special type of particle called a hyperon — to the nucleus.
Hypernuclei at Jefferson Lab
Source: Jlab Posted: 8/8/06
A team of physicists, mathematicians, and electrical engineers has figured out a trick to keep light pulses from diverging or focusing.
New Technique for Manipulation of Light Beams Demonstrated
Source: Caltech Posted: 8/8/06