News tagged with gas clouds

Hot molecule explains cold chemistry

(PhysOrg.com) -- Surprisingly, hydrogen cyanide and its far more energetic isomer, hydrogen isocyanide, are present in almost equal amounts in cold interstellar gas clouds. Scientists from the Max Planck Institute ...

Jan 30, 2012
not rated yet 1 | with audio podcast

Stellar embryos

(PhysOrg.com) -- Stars form as gravity coalesces the gas and dust in interstellar clouds until the material produces clumps dense enough to become stars. But precisely how this happens, and whether or not ...

Jan 23, 2012
5 / 5 (4) 6 | with audio podcast

A universal law for star formation

(PhysOrg.com) -- Star formation is studied by astronomers not only because it produces new stars and planetary systems. It also generates copious amounts of ultraviolet light that heats dust which in turn ...

Jan 09, 2012
4.7 / 5 (3) 0 | with audio podcast

Image: Active Galaxy Centaurus A

(PhysOrg.com) -- Resembling looming rain clouds on a stormy day, dark lanes of dust crisscross the giant elliptical galaxy Centaurus A.

Jan 04, 2012
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The smoky pink core of the Omega Nebula

(PhysOrg.com) -- A new image of the Omega Nebula, captured by ESO's Very Large Telescope (VLT), is one of the sharpest of this object ever taken from the ground. It shows the dusty, rose-coloured central parts ...

Jan 04, 2012
4.8 / 5 (8) 0 | with audio podcast

A galaxy blooming with new stars

(PhysOrg.com) -- The VLT Survey Telescope (VST) has captured the beauty of the nearby spiral galaxy NGC 253. The new portrait is probably the most detailed wide-field view of this object and its surroundings ...

Dec 15, 2011
4.7 / 5 (6) 1 | with audio podcast

Star explosion leaves behind a rose

(PhysOrg.com) -- About 3,700 years ago, people on Earth would have seen a brand-new bright star in the sky. It slowly dimmed out of sight and was eventually forgotten, until modern astronomers later found ...

Dec 12, 2011
4.4 / 5 (5) 0 | with audio podcast

Astronomers find bounty of failed stars

A University of Toronto-led team of astronomers has discovered over two dozen new free-floating brown dwarfs, including a lightweight youngster only about six times heftier than Jupiter, that reside in two ...

Oct 11, 2011
5 / 5 (3) 5

Hubble mosaic of the Galactic center

(PhysOrg.com) -- This NASA Hubble Space Telescope infrared mosaic image represents the sharpest survey of the Galactic Center to date. It reveals a new population of massive stars and new details in complex ...

Oct 10, 2011
5 / 5 (7) 4