31
Aug 11

Hubble Movies Provide Unprecedented View of Supersonic Jets from Young Stars

Source: ESA/Hubble Science Release heic1113

Astronomers have combined two decades of Hubble observations to make unprecedented movies revealing never-before-seen details of the birth pangs of new stars. This sheds new light on how stars like the Sun form.(read more)

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31
Aug 11

The Star That Should Not Exist

Source:ESO Science Release eso1132


SDSS J102915+17292, a star that should not exist.
Image credit: ESO/Digitized Sky Survey 2.

A team of European astronomers has used ESO’s Very Large Telescope (VLT) to track down a star in the Milky Way that many thought was impossible. They discovered that this star is composed almost entirely of hydrogen and helium, with only remarkably small amounts of other chemical elements in it. This intriguing composition places it in the “forbidden zone” of a widely accepted theory of star formation, meaning that it should never have come into existence in the first place. The results will appear in the 1 September 2011 issue of the journal Nature. (read more)

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