The nova remnant surrounding the recurrent nova T Pyxidis
A nova remnant is made up of the material either left behind by the gigantic explosion of a star in a nova, or from the bubbles of gas blasted away in a recurrent nova. It has an expansion velocity of around 1000 km/s, and has a lifetime of a few centuries. Nova remnants are much less massive than supernova remnants or planetary nebulae.
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