ERIC Number: ED310934
Record Type: RIE
Publication Date: 1988
The Upper Atmosphere; Threshold of Space.
This booklet contains illustrations of the upper atmosphere, describes some recent discoveries, and suggests future research questions. It contains many color photographs. Sections include: (1) "Where Does Space Begin?"; (2) "Importance of the Upper Atmosphere" (including neutral atmosphere, ionized regions, and balloon and investigations); (3) "Airglow"; (4) "Aurora"; (5) "Recent Discoveries" (those made by manned and unmanned spacecraft); (6) "Future Research" (describing spacelab missions, tethered satellite, the International Solar-Terrestrial Physics Program/Global Geospace Science Mission, and others); (7) "Unanswered Questions"; (8) "Conclusion"; and (9) "Sources" (listing general and technical materials). (YP)
Publication Type: Books; Reports - Descriptive
Education Level: N/A
Authoring Institution: National Aeronautics and Space Administration, Washington, DC.
Note: Colored photographs and pages will not reproduce well.