This is a long exposure (28 hours) natural-color image from Hubble Space Telescope of the NGC 4911 galaxy located 320 million light-years in the Coma Cluster of galaxies.
Credit: NASA, ESA, and the Hubble Heritage Team (STScI/AURA)
Simple, atypical but neat estimation of energy released in fission
2 weeks ago in The Curious Wavefunction