supernova remnant

Because the supernova remnant is still visible, the magnetar left behind ought to be relatively young—and still magnetically powerful.

Images of the distant supernova remnant shows what Fransson calls “a ring of pearls” encircling a cloud of dust.

The most noticeable colors in Webb's newest image are clumps represented in bright orange and light pink that make up the inner shell of the supernova remnant.

In actuality, Baby Cas A is located about 170 light-years behind the supernova remnant.

The Cas A supernova remnant is located 11,000 light-years away in the constellation Cassiopeia.