Ice Core Records: From Volcanoes to Supernovas (Part II) (02-04-2013)
While astronomers know that Cassiopeia A, or Cas A for short, is the aftermath of a massive star that exploded, it is unclear exactly when the explosion took place.

• Download Video (76.2 MB, Runtime: 6:50)
• With closed-captions (at YouTube)
• Listen to Audio Only
• Transcript

- Related Links:
--  Ice Core Records - From Volcanoes to Supernovas
--  Ice Core Records: From Volcanoes to Supernovas (Part I)

DEM L50 in 60 Seconds (02-01-2013)
DEM L50 is what astronomers call a superbubble. These objects are found in regions where massive stars have formed, raced through their evolution, and exploded as supernovas.

• Download Video (17.1 MB, Runtime: 1:32)
• With closed-captions (at YouTube)
• Listen to Audio Only
• Transcript

- Related Links:
--  Stellar Effervescence on Display
--  Tour of DEM L50

Chandra Images in 2012 (01-08-2013)
The Chandra images included in this short 2012 retrospective are drawn from dozens of images posted on our website (from among hundreds taken) in the past year to show the breadth and depth of research done using Chandra.

• Download Video (12.2 MB, Runtime: 1:07)
• With closed-captions (at YouTube)
• Transcript

Vela Pulsar in 60 Seconds (01-07-2013)
Unlike with some Hollywood films, a sequel of a movie from NASA's Chandra X-ray Observatory is better than the first.

• Download Video (20.5 MB, Runtime: 1:51)
• With closed-captions (at YouTube)
• Listen to Audio Only
• Transcript

- Related Links:
--  New Chandra Movie Features Neutron Star Action
--  Tour of Vela Pulsar

Learn About Supernovas (01-03-2013)
Supernovas are some of the most dramatic events in the cosmos. These titanic events send shockwaves rumbling through space and create giant bubbles of gas that have been superheated to millions of degrees.

• Download Video (16.2 MB, Runtime: 1:31)
• With closed-captions (at YouTube)
• Listen to Audio Only
• Transcript

- Related Links:
--  Learn About Supernovas & Supernova Remnants