nationalgeographicmagazine:
A total lunar eclipse glows red over Germany (file picture).
Photograph by Heribert Proepper, AP
Andrew Fazekas
for National Geographic News
Updated December 20, 1020, 2:55 p.m. ET
In 2010, for the first time since 1638, a total lunar eclipse falls on the winter solstice—a stargazing…
