TY  - DATA
ED  - Discovery Channel School
ED  - Discovery Communications Inc.
TI  - The universe
PY  - 2003///
CY  - [Bethesda, Md.]
PB  - Discovery Communications Inc.
KW  - Astronomy
KW  - Juvenile literature
N1  - Teacher's guide in PDF and Microsoft Word format
N2  - This cd-rom features the Astronomer Sheldon Schafer's model of solar system, explores the life cycle of the sun, describes the various celestial bodies that make up the universe and also the Drake Equation, a statistical statement that describes the likelihood of extraterrestrial life
ER  -