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Recent Podcast
A Tour of Bending the Bridge Between Two Galaxy Clusters
A Tour of Bending the Bridge Between Two Galaxy Clusters
Several hundred million years ago, two galaxy clusters collided and then passed through each other. This mighty event released a flood of hot gas from each galaxy cluster that formed an unusual bridge between the two objects. (2020-05-11)


G327.1-1.1 in 60 Seconds

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Narrator (April Hobart, CXC): G327.1-1.1 is the aftermath of a massive star that exploded as a supernova in the Milky Way galaxy. A highly magnetic, rapidly spinning neutron star called a pulsar was left behind after the explosion and is producing a wind of relativistic particles, seen in X-rays by Chandra and XMM-Newton as well as in radio data. This structure is called a pulsar wind nebula. No clear explanation is yet known for the unusual shape of this supernova remnant. One possibility is that we are seeing the effects of a shock wave bouncing backwards off of the shell of material swept up by the blast wave. The X-ray observations allow scientists to estimate the energy released during the supernova explosion and the age of the remnant, as well as the amount of material being swept up as the blast wave from the explosion expands.

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