If you're in Silicon Valley, NASA's tracker applet (<a href="http://www.nasa.gov/mission_pages/shuttle/shuttlemissions/sts131/news/131_landing_webfeature.html" rel="nofollow">http://www.nasa.gov/mission_pages/shuttle/shuttlemissions/st...</a>) claims that you'll be able to see the shuttle streaking just above the north horizon at 6:06 AM, just before sunrise.<p>...I might actually have to get up for that