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Building stars, planets and the ingredients for life between the stars

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Duration: 0:57:05 | Added: 07 Apr 2014
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Duration: 0:56:42 | Added: 07 Apr 2014
Halley Lecture 2013 by Professor Dr Ewine van Dishoeck on new developments in astronomy

One of the most exciting developments in astronomy is the discovery of planets around stars other than our Sun. Nearly 1000 exo-planets have now been detected. But how do these planets form, and why
are they so different from our own solar system? Which ingredients are available to build them? How are their parent stars formed? Thanks to powerful new telescopes, astronomers are starting to address these
age-old questions scientifically. In this talk, an overview will be given of how stars and planets are born in the extremely cold and tenuous clouds between the stars in the Milky Way. These clouds also contain
water and a surprisingly rich variety of organic material. How and where was the water formed that is now in our oceans on Earth? Can these organic molecules end up on new planets and form the basis for pre-biotic material and eventually life? The Atacama Large Millimeter/submillimeter Array (ALMA), under construction in Chile and planned to be fully operational by late 2013, will be able to zoom into the planet-forming zones of disks around young stars and revolutionize this field in the near future. First exciting and surprising ALMA results will be presented.

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