Breaking Free From a Cosmic Cocoon
In movies, heroes and villains are thrown forward after an explosion. This is because an powerful wave of energy, called a shock wave, is released. In space, the same thing happens when a star explodes in what is called a supernova explosion.
Credit:
X-ray: NASA/CXC/Royal Military College of Canada/P.Chandra et al); Optical: NASA/STScI
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