The new image on the left shows the nebula in the infrared, using observations from Hubble’s high-resolution Wide Field Camera 3. Credit: NASA, ESA, and the Hubble Heritage Team (AURA/STScI ...

The Cat’s Eye is a young planetary, at perhaps 1,000 years. In part because of this, it shows the multiple stages of a ...

The Iris Nebula (NGC 7023) is an odd reflection nebula surrounding a magnitude 7.4 star, SAO 19158, in the constellation ...