These two movies of the Cassiopeia A and Crab Nebula supernova remnants show Chandra’s capabilities of documenting changes in astronomical objects over human timeframes. Dramatic changes are apparent in the debris and radiation remaining after the explosion of these two massive stars in our galaxy. Such time-lapse movies would not be possible without Chandra’s archives that serve as public repositories for the data collected over Chandra’s nearly 25 years of operations.
As the young pulsar slows down, large amounts of energy are injected into its surroundings. In particular, a high-speed wind of matter and anti-matter particles plows into the surrounding nebula, creating a shock wave that forms the expanding ring seen in the movie. Jets from the poles of the pulsar spew X-ray emitting matter and antimatter particles in a direction perpendicular to the ring.
Cas A has been one of the most highly observed targets and publicly released images from the Chandra mission. It was Chandra’s official first-light image in 1999 after the Space Shuttle Columbia launched into orbit and quickly discoveredfor the first time, later confirmed to be a neutron star.
Crab Nebula Marshall Space Flight Center Nebulae Supernovae The Universe
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