High Noon on the Moon (1991)

One of the most common questions members of the public ask space educators is, “why does the moon change shape?” The answer is, of course, that our planet’s natural satellite does not change shape; it is always a sphere. What changes is the way light from the Sun strikes the side of the moon we […]

















from WIRED http://ift.tt/1pN5yJv

via IFTTT