20.5 day old moon
66.8 percent lit
September 18, 2018
By Robin George Andrews
The moon (click here) is often thought of as a lifeless and inactive place. But a new study reminds us that our pale celestial guardian is more dynamic than it seems from afar. Fresh measurements of its flimsy atmosphere back up the idea that our lunar companion is surrounded by an electric shell, and that shell seems to gather power when Earth shields it from the fury of the sun during a full moon....
