News tagged with protostars

Most stars are born in clusters, some leave 'home'

New modeling studies from Carnegie's Alan Boss demonstrate that most of the stars we see were formed when unstable clusters of newly formed protostars broke up. These protostars are born out of rotating clouds ...

Sep 24, 2014
4.5 / 5 (2) 1

Hubble sees a cosmic caterpillar

(Phys.org) —This light-year-long knot of interstellar gas and dust resembles a caterpillar on its way to a feast. But the meat of the story is not only what this cosmic caterpillar eats for lunch, but also ...

Aug 29, 2013
4.6 / 5 (14) 3 | with audio podcast

Young stars flicker amidst clouds of gas and dust

(PhysOrg.com) -- Astronomers have spotted young stars in the Orion nebula changing right before their eyes, thanks to the European Space Agency's Herschel Space Observatory and NASA's Spitzer Space Telescope. ...

Feb 29, 2012
5 / 5 (2) 3 | with audio podcast

The X-Ray Puzzle of Protostellar Jets

(PhysOrg.com) -- A new star develops by accreting material from a circumstellar disk; both in turn are embedded in a much larger, more nearly spherical envelope of in-falling dust and gas. The protostar is ...

Jun 22, 2011
4.9 / 5 (8) 20 | with audio podcast

Making Massive Stars

(PhysOrg.com) -- Our understanding of star formation leans heavily on observations of stars like the sun, namely, those that are modest in mass and that are born and evolve at a relatively leisurely pace. ...

Sep 15, 2009
4.3 / 5 (3) 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