News tagged with star clusters

Stars' orbital dance reveals a generation gap

UBC astronomers have used NASA's Hubble Space Telescope to track the orbital motion of 33,000 stars in one of the Galaxy's oldest globular clusters, offering new insights into the formation of the Milky Way.

Jul 18, 2013
5 / 5 (3) 0 | with audio podcast

How nature shapes the birth of stars

(Phys.org) -- Using state of the art computer simulations, a team of astronomers from the University of Bonn in Germany have found the first evidence that the way in which stars form depends on their birth ...

May 11, 2012
4.7 / 5 (6) 6 | with audio podcast

Hubble has an audience of stellar flashbulbs

(Phys.org) -- The NASA/ESA Hubble Space Telescope has captured a crowd of stars that looks rather like a stadium darkened before a show, lit only by the flashbulbs of the audience’s cameras. Yet the many ...

Jul 23, 2012
4.3 / 5 (8) 0 | with audio podcast

By measuring lithium, researchers study star structure

During its nuclear fusion processes, a burning star does not make the element lithium. Rather, over time, stars consume their lithium supply that was originally created during the Big Bang that gave birth to our universe.

Oct 25, 2012
not rated yet 0 | with audio podcast

The central region of the Milky Way

(PhysOrg.com) -- The center of our Milky Way galaxy is about 27,000 light-years away in the direction of the constellation of Sagittarius. At the very center of the galaxy lies a black hole whose mass is about ...

Aug 15, 2011
4.7 / 5 (22) 19 | with audio podcast

Millisecond pulsar in spin mode

Astronomers have tracked down the first gamma-ray pulsar in a globular cluster of stars. It is around 27,000 light years away and thus also holds the distance record in this class of objects. Moreover, its ...

Nov 03, 2011
4.6 / 5 (5) 8 | with audio podcast

Little telescope spies gigantic galaxy clusters

(Phys.org)—Our solar system, with its colorful collection of planets, asteroids and comets, is a fleck in the grander cosmos. Hundreds of billions of solar systems are thought to reside in our Milky Way ...

Dec 06, 2012
4.8 / 5 (6) 2 | with audio podcast

'Dead' galaxies are not so dead after all

(PhysOrg.com) -- University of Michigan astronomers examined old galaxies and were surprised to discover that they are still making new stars. The results provide insights into how galaxies evolve with time.

May 30, 2011
4.7 / 5 (11) 6 | with audio podcast

A serendipitous gravitational lens

(PhysOrg.com) -- The path traveled by a light beam will bend in the presence of matter. This remarkable prediction, reached by Einstein in his theory of general relativity, was confirmed by observations of ...

Nov 21, 2011
4.3 / 5 (6) 3 | with audio podcast

Young stars take a turn in the spotlight

(PhysOrg.com) -- ESO's New Technology Telescope (NTT) has captured a striking image of the open cluster NGC 2100. This brilliant star cluster is around 15 million years old, and located in the Large Magellanic ...

Sep 07, 2011
5 / 5 (3) 1 | with audio podcast

VLT finds a brilliant but solitary superstar

(PhysOrg.com) -- An extraordinarily bright isolated star has been found in a nearby galaxy -- the star is three million times brighter than the Sun. All previous similar "superstars" were found in star clusters, ...

May 25, 2011
4.9 / 5 (7) 4 | with audio podcast