Audio
Archive
2013
January
February
March
April
May
2012
January
February
March
April
May
June
July
August
September
October
November
December
2011
January
February
March
April
May
June
July
August
September
October
November
December
2010
January
February
March
April
May
June
July
August
September
October
November
December
2009
January
February
March
April
May
June
July
August
September
October
November
December
2008
January
February
March
April
May
June
July
August
September
October
November
December
2007
June
July
August
September
October
November
December
Subscribe
Jul. 27, 2012
Ask an Astrophysicist
|
|
|
Tweet |
|
The universe is being pushed apart at a faster and faster rate. And the culprit? Dark energy. Astrophysicist Adam Riess shared the 2011 Nobel Prize in Physics for that discovery, and now's your chance to ask him about it--or anything else you've been wondering about the cosmos.
As background, here's a look back at some of our recent astrophysics coverage.
|
Guests
-
Adam Riess
Winner, 2011 Nobel Prize in Physics
Professor, Astronomy and Physics
Johns Hopkins University
Senior Member Science Staff
Space Telescope Science Institute
Baltimore, Maryland


Discussion