Imagine the universe
Contains 3 astronomy and space science learning center Web sites as they existed Jan. 2000. "Prepared by astronomers and programmers at LHEA dedicated to bringing the excitement of their field to teachers, students and the world"--Disc container.
|Other Authors:||Laboratory for High Energy Astrophysics (Goddard Space Flight Center)|
[Greenbelt, Md.] :
1 computer optical disc : sound, color ; 4 3/4 in.