Time to open the twentieth door in the advent calendar. Until the New Year, I’ll be opening a door onto a different landscape from somewhere in the solar system. Where in the solar system is this diffuse blob and stripy sea? Click to enlarge >Door 20Image scale is 350 meters per pixel, and the entire image covers an area about 310 kilometers square. Credit: NASA / JPL / mosaic by Mike Malaska You’re looking at Sotra Facula, which scientist ….
- Lunar eclipse tonight, mid-eclipse at 08:17 Dec 21 UT
- more detail on first failure report