If you have a few minutes to spare in your day you might want to check out the video embedded below:
If you have a few more minutes, check out Tom Lowe's other videos on his Timescapes page on Vimeo. It is wonderful stuff.
Palomar Skies a blog with news and information about the Palomar Observatory. Postings here will cover current research, history and public outreach events taking place at the observatory.