What does the echo of light look like? Poetry of heaven: Nasa has released an image of the 'light echo' produced by the glare from a star that was, for one brief shining moment, the brightest in the night sky.
Planetary Nebula NGC 2818 The Hubble Space Telescope has imaged striking details of the famed planetary nebula designated NGC which lies in the southern constellation of Pyxis (the Compass). Credit: NASA, ESA, and the Hubble Heritage Team
eyes in the sky. These shape-shifting galaxies have taken on the form of a giant mask. The icy blue eyes are actually the cores of two merging galaxies, called NGC 2207 and IC and the mask is their spiral arms.