Thanks to Bill Kurth for help with information about the heliosphere, Jeremy Jones for reviewing navigation issues, Steve Edberg for help with things astronomical, Laura Sakamoto for expertise with telecommunications and DSN topics, to Betsy Wilson for lots of help with the telemetry section, and to Trina Ray for reviewing Radio Science and DSN stuff. For the original 1993 version, Diane Fisher provided technical editing and illustration, and took the initiative to publish it on the web. Cozette Parker assisted with the initial hardcopy publication. Special thanks to the original reviewers Ben Toyoshima, Larry Palkovic, Carol Scott, Rob Smith, Dan Lyons, and Bob Molloy, and to field testers Kathy Golden, Steve Annan, Linda Lee, and Paul Porter for their valuable comments. Image Credits Clicking on an image in the document will bring up a page citing credits if any are appropriate.
Some images link directly to a related website.
Here's a list of awards and commendations received, along with the story about how the document got started, and how it became popular. The 2001 update has concentrated on use of the web as the primary medium for users to access the Basics of Space Flight. Users will benefit most from the online web version with its occasional corrections and updates, and its extensive links and animations. You can view or print it using the free Adobe Acrobat Reader . Links for navigation within the document have been retained.