April 17, 2012
Explore the revolution in our understanding of the nature of the
universe and how it came to be.
Scientists have further narrowed the search for a hypothetical
particle that could be dark matter, the mysterious stuff that makes
up 80 percent of all the mass in the universe.
The video from NASA
Astrophysics presents the new results, compiled from two years’
worth of data from NASA’s Fermi Gamma-ray Space Telescope.
Although no one is sure what dark matter is, one of the leading
candidates is a yet-to-be-discovered particle called a weakly
interacting massive particle (WIMP). When two of these WIMPs meet,
the theory goes, they can annihilate one another and generate gamma
From EsoCast, Dr. J. explores the upheaval in our understanding of
the universe brought on by the discovery that the universe is not
just expanding, but is accelerating outward at an ever increasing
Was Einstein wrong? Are we missing something crucial in our
understanding of how it all began?
Either way, this is one of the
most exciting scientific discoveries in a long time.