An infrared mosaic of the Sculptor galaxy (NGC 253)--the nearest starburst galaxy to the Milky Way--from WISE.
Red shows active side of infant stars heating up their dusty cocoons.
Green shows emerging young stars.
Blue shows stars of all ages.Credit: NASA/JPL-Caltech/WISE Team
Kurt Gödel's Open World
14 hours ago in The Curious Wavefunction