Dark Matter

Help scientists go to the dark side

Publication: NBC News   Date: December 7, 2010   View Article

The universe has a dark side, and an international team of astronomers is calling on scientists and computer geeks of all stripes to help them understand it better.

Unknown “Structures” Tugging at Universe, Study Says

Publication: National Geographic News   Date: November 5, 2008   View Article

Something may be out there. Way out there.

On the outskirts of creation, unknown, unseen “structures” are tugging on our universe like cosmic magnets, a controversial new study says.

Dark matter revealed!

Publication: MSNBC.com   Date: April 3, 2008   View Article

Step right up and click inside to see dark matter revealed! Scientists think the mysterious substance makes up most of the mass in the universe — but because it doesn’t give off light, visible proof of its existence is elusive.

Perfectly Aligned Galaxies Found For the First Time

Publication: National Geographic News   Date: January 11, 2008   View Article

Astronomers have found three galaxies in a never before seen perfect alignment—a discovery that may help scientists better understand the mysterious dark matter and dark energy believed to dominate the universe.

The three galaxies are like beads on a string, one directly behind the other, scientists announced yesterday at a meeting of the American Astronomical Society in Austin, Texas.

New Dark Matter Map Shows Violent Life of Galaxies

Publication: National Geographic News   Date: January 10, 2008   View Article

In galaxy clusters, the rough-and-tumble outer suburbs are where most galactic change occurs, a team of astronomers announced today.

There, galaxies harass, strangle, and strip away at each other as they are pulled from the outskirts of a cluster to the inner core by the gravity of dark matter, according to the new research.

“Cosmic Train Wreck” May Derail Theories of Dark Matter

Publication: National Geographic News   Date: August 22, 2007   View Article

New observations of a massive intergalactic collision are raising more questions about the mysterious nature of dark matter.

The study looked at three huge galaxy clusters that are merging into an even bigger cluster called Abell 520, located about three billion light-years from Earth.

Dark Matter Ring Detected by Hubble

Publication: National Geographic News   Date: May 15, 2007   View Article

An international team of astronomers has mapped what appears to be a ring of dark matter around a massive galaxy cluster located some five billion light-years from Earth.

© 2008-2010 Collected Writings By John Roach