News tagged with star clusters

Early exit for hot Jupiter due to deadly tides

(PhysOrg.com) -- Bad news for planet hunters: most of the "hot Jupiters" that astronomers have been searching for in star clusters were likely destroyed long ago by their stars. In a paper accepted for publication ...

Sep 10, 2010
4.7 / 5 (14) 1 | with audio podcast

Newborn stars discovered in dark cosmic cloud

A wave of massive star formation appears poised to begin within a mysterious, dark cloud in the Milky Way. NASA's Spitzer Space Telescope has revealed a secluded birthplace for stars within a wispy, dark ...

Jul 07, 2010
4.9 / 5 (12) 1 | with audio podcast

Hubble catches stars on the move (w/ Video)

(PhysOrg.com) -- With a mass of more than 10 000 suns packed into a volume with a diameter of a mere three light-years, the massive young star cluster in the nebula NGC 3603 is one of the most compact stellar ...

Jun 02, 2010
4.3 / 5 (8) 0 | with audio podcast

Seeing is believing

(PhysOrg.com) -- Whenever you look up at the stars you are looking back in time, as light from even our closest neighbour, Alpha Centauri, started its journey to Earth more than four years ago. It is a phenomenon ...

Mar 24, 2010
4.9 / 5 (11) 1

Alien invaders pack the Milky Way

(PhysOrg.com) -- Around a quarter of the globular star clusters in our Milky Way are invaders from other galaxies, new research from Swinburne University of Technology (Australia) shows.

Feb 23, 2010
4.3 / 5 (15) 4 | with audio podcast

Vampires and collisions rejuvenate stars

Stars in globular clusters are generally extremely old, with ages of 12-13 billion years. However, a small fraction of them appear to be significantly younger than the average population and, because they ...

Dec 23, 2009
4.3 / 5 (9) 2