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Tag Archives: galaxy cluster

Super star-maker

By Stephen Ornes / September 4, 2012

This artist’s drawing shows what the central galaxy of the Phoenix cluster might look like. The small blue dots represent new stars forming. Credit: NASA.gov

A distant galaxy cluster churns out stars at a whopping rate

Posted in Space | Tagged astronomy, astrophysics, black hole, energy, galaxy, galaxy cluster, gas, getinvolved, matter, Milky Way, MIT, Phoenix cluster, physics, South Pole Telescope, space, star formation, stars, telescope, University of Cambridge

An invisible cosmic bridge

By Stephen Ornes / July 23, 2012

It’s impossible to see with the naked eye, but astronomers say a bridge made of dark matter connects two galaxy clusters. This picture shows hot gas around and between the two clusters, Abell 222 (blob at top) and Abell 223 (bottom blob). The yellow is the hottest part of the gas, where the galaxies reside, and the red is cooler.

Credit: ESA/ XMM-Newton/ EPIC/ ESO (J. Dietrich)/ SRON (N. Werner)/ MPE (A. Finoguenov)

Astronomers find strange stuff in the space between two clusters of galaxies

Posted in Space | Tagged Abell 222, Abell 223, dark matter, galaxy cluster, getinvolved, gravity, Jörg Dietrich, University Observatory Munich