Area 51 Russian spy satellite image released onto the WWW by the Russians in May 2001. This created a panic in American intelligence who went to great lengths to - unsuccesfully - block the image on the internet.
Click this thumbnail to enlarge satellite image.
Click this thumbnail to enlarge image of alien body believed held at Area 51.
SECRET US GOVERNMENT MEMOS RELATING TO AREA 51
Additional Astrophysics Files
Astro physics summary This is the link to download the powerpoint presentation you saw in class.
Cepheid variable stars This is the link to download the powerpoint presentation you saw in class.
CCD imaging This is the link to download the powerpoint presentation you saw in class.