News tagged with galaxy companions

Two spiral galaxies in the process of merging

At this time of year, there are lots of gatherings often decorated with festive lights. When galaxies get together, there is the chance of a spectacular light show as is the case with NGC 2207 and IC 2163

Dec 12, 2014
4.8 / 5 (16) 2

Astronomers discover new kind of supernova

(Phys.org) —Supernovae were always thought to occur in two main varieties. But a team of astronomers including Carnegie's Wendy Freedman, Mark Phillips and Eric Persson is reporting the discovery of a new ...

Mar 26, 2013
4.9 / 5 (19) 2 | with audio podcast

Dating our galaxy's dormant volcano

(Phys.org) —A dormant volcano—a supermassive black hole—lies at the heart of our galaxy. Fresh evidence suggests that it last erupted two million years ago.

Sep 23, 2013
4.7 / 5 (24) 5 | with audio podcast

A microquasar makes a giant Manatee Nebula

(Phys.org)—A new view of a 20,000-year old supernova remnant demonstrates the upgraded imaging power of the National Science Foundation's (NSF) Karl G. Jansky Very Large Array (VLA) and provides more clues ...

Jan 19, 2013
4.9 / 5 (9) 0 | with audio podcast

The Milky Way now has a twin (or two)

(Phys.org)—Research presented today at the International Astronomical Union General Assembly in Beijing has found the first group of galaxies that is just like ours, a rare sight in the local Universe.

Aug 23, 2012
4.8 / 5 (14) 0 | with audio podcast

Black hole jets

(PhysOrg.com) -- Black holes are irresistible sinks for matter and energy. They are so dense that not even light can escape from their gravitational clutches. Massive black holes (equal to millions or even ...

Jan 16, 2012
4.6 / 5 (7) 6 | with audio podcast