News tagged with galaxies

The rise and fall of galactic cities

(Phys.org) —In the fable of the town and country mice, the country mouse visits his city-dwelling cousin to discover a world of opulence. In the early cosmos, billions of years ago, galaxies resided in ...

Dec 19, 2013
4.9 / 5 (8) 1 | with audio podcast

Fast radio bursts might come from nearby stars

First discovered in 2007, "fast radio bursts" continue to defy explanation. These cosmic chirps last for only a thousandth of a second. The characteristics of the radio pulses suggested that they came from ...

Dec 12, 2013
4.6 / 5 (5) 0 | with audio podcast

What is Nothing?

Is there any place in the Universe where there's truly nothing? Consider the gaps between stars and galaxies? Or the gaps between atoms? What are the properties of nothing?

Aug 22, 2014
4.2 / 5 (66) 163

San Jose State students report major discovery in space

A San Jose State undergrad grieving the loss of his mother shifted his gaze to outer space and made what could prove to be a remarkable discovery: a system of stars so dense, his professor said, astronomy has no word for ...

May 29, 2014
4.5 / 5 (15) 1

Where is Earth located in the galaxy?

You've probably heard the saying "everything's relative". When you consider our place in the Universe, everything really is relative. I'm recording this halfway up Vancouver Island, in the Pacific Ocean, ...

Feb 18, 2014
3.5 / 5 (46) 12

Image: Starbursting in the galaxy M82

(Phys.org) —Messier 82 (M82), the galaxy in which the nearest supernova in decades recently exploded, also is the closest galaxy that is undergoing a rapid burst of star formation, known as a starburst. ...

Feb 03, 2014
4.9 / 5 (8) 0

Explainer: How astronomers find exoplanets

Astronomers didn't know, 20 years ago, whether planets existed around any stars other than the Sun. All that changed in 1995 with the discovery of an exoplanet orbiting the star 51 Pegasi. And by the beginning of 2014, ...

Mar 13, 2014
4.6 / 5 (5) 0