Last updated 10:17PM ET
July 29, 2010
KPLU Local News
KPLU Local News
The Mystery of the Missing Dark Matter
(2010-01-13)
A simulated dwarf galaxy at different stages of evolution (left to right and top to bottom). Top-left shows the galaxy 1B years after the Big Bang while the last image shows the gas distribution in present time. The shells and holes are generated by powerful explosions caused by the simultaneous death of many massive stars. KATY BROOKS & NATURE JOURNAL
(KPLU) -

Black holes, dark energy, dwarf galaxies far, far away. It's the stuff of great science fiction. For astrophysicists, it's as real as a cup of coffee.

One researcher at the University of Washington has helped answer a long-standing question about how these mysterious elements of the Universe evolved. He's Fabio Governato, and he explained it all to KPLU science and health reporter Keith Seinfeld:
(To listen to the interview, click the triangular "play" button above.)

Which is the real galaxy? Computer simulations produce galaxies that seem identical to images of real galaxies. (Real galaxy (right) from Sloan Digital Sky Survey Collaboration (www.sdss.org); simulated galaxy (left) from C. Brook, F. Governato and P. Jonsson.) from Nature Journal.




For a different take on topics of science and health care, check out Keith Seinfeld's KPLU blog.



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