Image: Hubble sees galactic glitter
This sprinkling of cosmic glitter makes up the galaxy known as ESO 149-3, located some 20 million light-years away from us. It is an example of an irregular galaxy, characterized by its amorphous, undefined ...
44 million stars and counting: Astronomers play Snap and remap the sky
(Phys.org) —Tens of millions of stars and galaxies, among them hundreds of thousands that are unexpectedly fading or brightening, have been catalogued properly for the first time.
Figures of eight and peanut shells: How stars move at the center of the galaxy
(Phys.org) —Two months ago astronomers created a new 3D map of stars at the center of our galaxy (the Milky Way), showing more clearly than ever the bulge at its core. Previous explanations suggested that ...
The search for medium-sized black holes
Black holes can be petite, with masses only about 10 times that of our sun—or monstrous, boasting the equivalent in mass up to 10 billion suns. Do black holes also come in size medium? NASA's Nuclear Spectroscopic ...
GREAT3 challenge seeks new methods for measuring weak gravitational lensing
(Phys.org) —Think you can figure out a way to unlock one of the biggest secrets of the universe? The recently launched third Gravitational Lensing Accuracy Testing challenge (GREAT3) is giving researchers ...
Image: Hubble shoots Bright Quasar 3C 273
(Phys.org) —This image from Hubble's Wide Field and Planetary Camera 2 (WFPC2) is likely the best of ancient and brilliant quasar 3C 273, which resides in a giant elliptical galaxy in the constellation ...
Galactic clusters low on hydrogen
Astronomers at Swinburne University of Technology and their international collaborators have found evidence that galaxies that are located in groups might be running out of gas.
Video: Guide to our Galaxy
This virtual journey shows the different components that make up our home galaxy, the Milky Way, which contains about a hundred billion stars.
The galaxy's ancient brown dwarf population revealed
(Phys.org) —A team of astronomers led by Dr David Pinfield at the University of Hertfordshire have discovered two of the oldest brown dwarfs in the Galaxy. These ancient objects are moving at speeds of ...
Image: Hot gas sloshing in a galactic cauldron
(Phys.org) —Galaxies are social beasts that are mostly found in groups or clusters – large assemblies of galaxies that are permeated by even larger amounts of diffuse gas. With temperatures of 10 million ...
NASA Hubble sees sparring antennae galaxies
The NASA/ESA Hubble Space Telescope has snapped the best ever image of the Antennae Galaxies. Hubble has released images of these stunning galaxies twice before, once using observations from its Wide Field ...
Image: WISE catalog just got wiser
NASA's WISE mission has released a new and improved atlas and catalog brimming with data on three-quarters of a billion objects detected during two full scans of the sky.
Review: Sony's smartwatch good, but not essential
Sony's new SmartWatch 2 doesn't get as much attention—and doesn't do as much—as Samsung's Galaxy Gear computerized wristwatch. But for the things it does, Sony's version performs better.
Hubble reveals first scrapbook pictures of Milky Way's formative years
(Phys.org) —NASA's Hubble Space Telescope has revealed the first visual evidence of how our home galaxy, the Milky Way, assembled itself into the majestic pinwheel of stars we see today.