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By Astronomy Cast on February 11, 2019 in

Fritz Zwicky discovered dark matter, gravitational lensing, supernovae and neutron stars. And he also worked on a few more controversial ideas like, uh, tired light. Let’s learn more about Zwicky.

By Carolyn Collins Petersen on June 20, 2009 in

Date: June 20, 2009 Title: Magnetar the Magnificent Podcaster: Carolyn Collins Petersen Organization: Loch Ness Productions ( Music by GEODESIUM ( Description: Magnetars sound like mysterious aliens from another dimension, but they’re not. I’ll discuss these powerfully magnetic beasts and talk about what we know about them from recent research and observations. Bio: Carolyn Collins […]

By Chandra X-Ray Center on May 8, 2009 in

Date: May 8, 2009 Title: Peering Into the X-ray Future Podcaster: Chandra X-Ray Center Organization: Chandra X-Ray Center Description: This year marks 10 years since Chandra was launched and deployed from the Space Shuttle Columbia. Such a milestone not only gives us a chance to look back, but it also provides an opportunity to […]