A while ago, I covered PLOP!, and somebody told me the Wolverton covers alone were worth it. Here's one of three days where I show all of them.
This is actually the back cover to #5. The front only printed a cropped version of this picture.
NASA’s Hubble Spots Possible Water Plumes Erupting on Jupiter's Moon Europa - [image: NASA/ESA/W. Sparks (STScI)/USGS Astrogeology Science Center] Astronomers working with the NASA Hubble Space Telescope have captured images of wha...
26 minutes ago