Dark Matter

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Physicists Sets Lower Age Of Universe At 11.2 Billion Years

Recent studies have prompted US scientists to define a minimum age of the Universe. At the same time, their data supports current theories about the role of dark matter in the Cosmos.

Web posted Jan 4 2003 @ 02:03 by Tormod

Chandra casts cloud on Alternative to Dark Matter

New evidence from NASA?s Chandra X-ray Observatory challenges an alternative theory of gravity that eliminates the need for dark matter. The observation also narrows the field for competing forms of dark matter, the elusive material thought to be the dominant form of matter in the universe.

Web posted Oct 24 2002 @ 12:27 by Tormod Guldvog

Chandra Discovers 'Rivers of Gravity' That Define Cosmic Landscape

NASA?s Chandra X-ray Observatory has discovered part of an intergalactic web of hot gas and dark matter that contains most of the material in the universe.

Aug 1 2002 @ 09:12 by NASA /Chandra XRO

Gravitational Waves?

Chandra detects first possible evidence of gravity's effect on neutron star's radiation.

Jun 7 2002 @ 04:29 by

Physics News Update no. 588

This news bulleting reports in the first observation of bright bolitions in a BOSE-Einstein condensate, a parallell, dark-matter universe, and the creation of a tungsten photonic crystal.

May 14 2002 @ 03:18 by Phil Schewe, James Riordon, and Ben Stein

Physics News Update no. 584

This news report from AiP has stories on infant respiratory disease and new research into supernovas which cast new light on the cosmic expansion.

Apr 30 2002 @ 10:37 by Phillip F. Schewe, Ben Stein, and James Riordon

Astronomers unveil first detection of dark matter object in the Milky Way

Astronomers from the Lawrence Livermore National Laboratory, in collaboration with an international team of researchers, have directly detected and measured the properties of a gravitational microlensing event in the Milky Way.

Dec 6 2001 @ 09:19 by Lawrence Livermore National Laboratory

Chandra Probes Nature Of Dark Matter

Scientists have precisely determined the distribution of dark matter in a distant galaxy cluster with NASA's Chandra X-ray Observatory. These new measurements serve to narrow the field of candidates that explain ?dark matter,? the invisible and unknown material that comprises most the Universe.

Sep 7 2001 @ 12:35 by

Farthest Supernova Ever Seen

NASA's Hubble Space Telescope has seen a burst of light from an exploding star located much farther from Earth than any previously seen - a supernova blast in the early Universe that is casting light on a mystery of truly cosmic scale.

Apr 2 2001 @ 08:40 by

Hubble may have found missing matter

Observations made with the Hubble Space Telescope provide strong support for the existence of baryonic galactic dark matter.

Jan 9 2001 @ 07:30 by Lawrence Livermore National Lab News release