News tagged with star formation

Making the first stars

(Phys.org) —The first stars in the Universe are believed to have formed only a few hundred million years after the big bang, about 13.7 billion years ago. They heated and ionized the pristine intergalactic ...

Nov 18, 2013
4 / 5 (9) 2 | with audio podcast

Old young stars

(Phys.org) —The early stages of a star's life are critical both for the star and for any future planets that might develop around it. The process of star formation, once thought to involve just the simple ...

Nov 11, 2013
5 / 5 (9) 2 | with audio podcast

Galaxy growth examined like rings of a tree

(Phys.org) —Watching a tree grow might be more frustrating than waiting for a pot to boil, but luckily for biologists, there are tree rings. Beginning at a tree trunk's dense core and moving out to the ...

Nov 01, 2013
4.8 / 5 (12) 3 | with audio podcast

A rare snapshot of a planetary construction site

(Phys.org) —Planets are formed in disks of gas and dust around nascent stars. Now, combined observations with the compound telescope ALMA and the Herschel Space Observatory have produced a rare view of ...

Oct 24, 2013
4.8 / 5 (5) 0 | with audio podcast

Research maps where stars are born

(Phys.org) —A University of Arizona-led group of astronomers has completed the largest-ever survey of dense gas clouds in the Milky Way – pockets shrouded in gas and dust where new stars are being born.

Oct 14, 2013
4.8 / 5 (21) 3 | with audio podcast

How engineers revamped Spitzer to probe exoplanets

(Phys.org) —Now approaching its 10th anniversary, NASA's Spitzer Space Telescope has evolved into a premier observatory for an endeavor not envisioned in its original design: the study of worlds around ...

Sep 25, 2013
4.9 / 5 (14) 1 | with audio podcast

Galaxy winds

(Phys.org) —The most luminous galaxies in our universe are not particularly bright in the visible. Most of their energy output (which can be hundreds or even thousands of times more than our Milky Way's) ...

Sep 23, 2013
4.8 / 5 (5) 1 | with audio podcast

Pulsating dust cloud dynamics modeled

The birth of stars is an event that eludes intuitive understanding. It is the collapse of dense molecular clouds under their own weight that offers the best sites of star formation. Now, Pralay Kumar Karmakar from the Department ...

Sep 12, 2013
5 / 5 (2) 0 | with audio podcast

Embracing Orion

(Phys.org) —This new view of the Orion A star-formation cloud from ESA's Herschel space observatory shows the turbulent region of space that hugs the famous Orion Nebula.

Aug 26, 2013
5 / 5 (6) 0 | with audio podcast

A fluffy disk around a baby star

An international team of astronomers that are members of the Strategic Exploration of Exoplanets and Disks with Subaru Telescope (SEEDS) Project has used Subaru Telescope's High Contrast Instrument for the ...

Aug 23, 2013
4.8 / 5 (8) 8 | with audio podcast