HalfBaseTimesHeight

victimize:

Pierre Lesage

(via expiry)

fyeahuniverse:

^{Fine Ring Nebula}

^{Theory has it that a binary star system sits in the center of the nebula, creating this torus shaped ejected of matter. Planetary nebulae form when dying stars expel a shell of gas as they evolve into white dwarfs.}

^{(Image credit: ESO)}