The Stingray Nebula: It is the youngest known planetary nebula, formed by a star rapidly turning into a white dwarf. During the process, it releases gas and dust into space. The Crab Nebula ...

The snapshots show the planetary nebula in the constellation Lyra in unprecedented detail. In addition to the main ring, halo and the interior filled with hot gas, the star that ejected the ...

Stars like the sun end their lives as highly compact white dwarfs, but as they shrink down into this phase they release clouds of gas which form a so-called "planetary nebula". This is a rather ...