NN Serpentis
BINARY · planets around a dead pair
.webp)
A tight pair of stellar leftovers, a white dwarf and a red dwarf whirling around each other in three hours, apparently attended by two giant planets. The puzzle: those planets may have formed twice, born again out of the gas the dying star threw off. Second generation worlds, planets with a previous life.
🚀 Fly there in the 3D universe