I'm not sure if this community is active anymore, but does anyone know where I can get a large number of maps over a long period of time (years and years) of the Earth at night? All I can find are the latest pictures with a scattering of a few older ones because everyone is agog over the NASA/Google partnership using the Suomi satellite.
Giant solar plane on cross-country flight across the US:
Astronomers have finally found direct proof that almost all water present in Jupiter's stratosphere, an intermediate atmospheric layer, was delivered by comet Shoemaker-Levy 9, which famously struck the planet in 1994.
Read more: http://www.jpl.nasa.gov/news/news.php?release=2013-145