Inside the Earth's Aurora

On clear nights in arctic latitudes, the aurora borealis, or northern lights, put on an eerie colorful light show. Robert Pfaff, project scientist for NASA's Fast Aurora Snapshot Explorer, describes this specialized satellite, which will be launched in September. The FAST satellite will find new information about the streams of charged particles that not only cause the northern lights but also interfere with earthbound communications.

NASA's Space Story is made possible by NASA and brought to you by the Internet Multicasting Service and our sponsors.
[audio] .au file (2.1 Mb), .gsm file (0.5 Mb), .ra file (0.2 Mb)