News tagged with star formation

Galaxy collisions

Collisions between galaxies are common. Indeed, most galaxies have probably been involved in one or more encounters during their lifetimes. One example is our own Milky Way, which is bound by gravity to the ...

Apr 09, 2013
4.7 / 5 (3) 1

Student and professor solve astronomical mystery

(Phys.org) —To ordinary folks, stars in the galaxy may seem like tiny specks of light. But to Penn State Brandywine Professor Timothy Lawlor and undergraduate researcher Nick Rufo, one of those bright balls of gas is actually ...

Apr 08, 2013
3.3 / 5 (7) 5

Galaxies the way they were

(Phys.org) —Galaxies today come very roughly in two types: reddish, elliptically shaped collections of older stars, and bluer, spiral shaped objects dominated by young stars. The conventional wisdom is ...

Apr 03, 2013
4.5 / 5 (2) 0

A new telescope probes a young protostar

(Phys.org) —IRAS 16293-2922B is a very young star – a protostar - perhaps only about ten thousand years old. Slightly smaller in mass than our Sun, it is still deeply embedded in its surrounding natal ...

Apr 03, 2013
5 / 5 (6) 0 | with audio podcast

Hubble gazes on one ring to rule them all

(Phys.org) —Galaxies can take many forms—elliptical blobs, swirling spiral arms, bulges, and disks are all known components of the wide range of galaxies we have observed using telescopes like the NASA/ESA ...

Mar 18, 2013
3.4 / 5 (7) 10 | with audio podcast

Pan-STARRS finds a 'lost' supernova

(Phys.org) —The star Eta Carinae is ready to blow. 170 years ago, this 100-solar-mass object belched out several suns' worth of gas in an eruption that made it the second-brightest star after Sirius. That ...

Mar 07, 2013
4.8 / 5 (8) 1 | with audio podcast

Hubble catches the moment the lights went out

(Phys.org)—The further away you look, the further back in time you see. Astronomers use this fact to study the evolution of the Universe by looking at nearby and more distant galaxies and comparing their ...

Feb 06, 2013
4.5 / 5 (12) 5 | with audio podcast

Herschel finds past-prime star may be making planets

(Phys.org)—A star thought to have passed the age at which it can form planets may, in fact, be creating new worlds. The disk of material surrounding the surprising star called TW Hydrae may be massive enough ...

Jan 30, 2013
4.8 / 5 (6) 2 | with audio podcast

Giant, magnetized outflows from our galactic center

(Phys.org)—Two years ago, CfA astronomers reported the discovery of giant, twin lobes of gamma-ray emission protruding about 50,000 light-years above and below the plane of our Milky Way galaxy, and centered ...

Jan 28, 2013
4.8 / 5 (10) 7 | with audio podcast