Long ago, in the largest canyon system in our solar system, vibrations from "marsquakes" shook soft sediments that had accumulated in Martian lakes. The shaken sediments formed features that now appear as a series of low hills apparent in a geological map based on new NASA images. Enhanced color image of the Candor Colles region of Candor Chasma, Mars. Image is 1 km (0.62 miles) across. (USGS Astrogeology Science Center, Flagstaff, Arizona)
Warner Bros. Halloween Spook-tacular! Make your Halloween huge this year! Take the “Which Spooky Family Are You?” quiz, download the Spook-tacular Story-time PDF, and watch a Halloween movie from Warner Bros. that the whole family will enjoy!
Looking in towards our galaxy from 3 Billion light years away. Each point of light is a galaxy cluster. There are more than 10 Quadrillion (10^16) stars in this volume of space. Source: Digital Universe Atlas