Smithsonian Institution Libraries banner

Albert Van Helden, University of Utrecht
Huygens's Ring, Cassini's Division

Original lecture given 10/27/2004. Albert Van Helden, of the University of Utrecht, gave this presentation at the National Museum of American History about the first exploration of the universe.

Additional Webcasts from Smithsonian Libraries

Contacts | Site map | Privacy | Copyright | Permissions | Smithsonian Home