Blue Marble Earth data from NASA + Procrastination =

I didn't want to do the work I should be doing, so I took a 2 hour break and made
http://soy.dyndns.org/~peter/bluemarble

It's the earth, without clouds, for each month in 2004. Javascript has made it a flipbook. The javascript is ugly (and really hard to debug), but the resultant animation is actually quite fascinating...