nova
cataclysmic nuclear explosion in a white dwarf star
symbiotic nova
slow irregular eruptive variable stars
T Coronae Borealis
recurring nova in the constellation Corona Borealis
supernova impostor
stellar explosion
U Orionis
variable star in the constellation Orion
Spirograph Nebula
planetary nebula in the constellation Lepus
FU Orionis
variable star in the constellation Orion
Crab Pulsar
star