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Stories about: protostars


Stars Seen Maturing Nearly in Real Time

Using data from the European Space Agency's (ESA) Herschel Space Observatory and the NASA Spitzer Space Telescope, a team of astronomers was recently able to observe a number of blue stars in the Orion Nebula, as they were undergoing intricate transformations right in front of their eyes. The effect was given b...

29 February 2012
10:50 GMT

NASA Shows Earliest Stars Were Smaller Than Suggested

According to the conclusions of a new computer simulation carried out by researchers at the NASA Jet Propulsion Laboratory, in Pasadena, California, it would appear that the earliest stars in the Universe were not as massive as previous studies suggested. Until now, astronomers believed that the first stars to form...

11 November 2011
02:59 GMT

Studying the Jeans Mass Criterion in Stellar Nurseries

One of the things that initiate the collapse of molecular hydrogen clouds into protostars is the fact that the massive structures exceed a critical density threshold. Astronomers call this limit the Jeans mass, and recently they discovered that some stars from outside the influence of this criterion. There are ma...

25 June 2011
04:12 GMT

Protostars Found Near Galactic Center

A collaboration of astronomers announced the discovery of two protostars, located extremely close the the supermassive black hole at the core of the Milky Way. The objects were found just outside the dark behemoth's sphere of influence.The thing that perplexes astronomers about this finding is that the objects s...

6 June 2011
05:59 GMT

Green Crystal Found Cascading into Distant Star

Scientists operating the NASA Spitzer Space Telescope announce that they recently discovered large amounts of tiny crystals falling into a growing star. The crystals are in fact the green mineral olivine, which can be found deep in Earth's crust as well. This phenomenon was observed in large gas clouds that t...

27 May 2011
01:41 GMT

Protostar Found Spewing Cosmic Jets

A group of astronomers was recently able to determine that cosmic objects known as protostars – the precursors of fully-fledged stars – are capable of emitting strong cosmic jets.This type of behavior had previously only been found to exist in black supermassive black holes and their smaller counterparts....

26 November 2010
02:35 GMT

Herschel Snaps New View of the Rosetta Nebula

Researchers at the European Space Agency (ESA) recently released one of the most amazing new images snapped by their Herschel Space Telescope. The instrument, which is the most advanced currently in orbit around Earth, managed to capture an impressive view of the Rosetta Nebula, a formation associated with a large ma...

13 April 2010
02:35 GMT

Young Star Spirals Material Outwards

The newly discovered pre-main sequence young star HH211, located in the Perseus constellation at a distance of about 1,000 light years from Earth, represents the first solid evidence that stars dispose of angular momentum not only by emitting large gas jets from its poles and shedding part of its upper layers, but a...

28 December 2007
03:15 GMT


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