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Sources
kevinforsyth.net
To Reach the High Frontier: A History of U.S. Launch Vehicles
"A valuable contribution to the field of aerospace literature," this book includes an extensive overview of Delta history and development along with chapters on Atlas, Titan, Scout, Space Shuttle, and much more.
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Many other excellent books about spaceflight are recommended here.
01-Oct-98 | Gamma ray flare
A tremendous gamma ray flare reached Earth on 27 August (29-Sep-98 NASA Press Release). The flare, emitted from a newly discovered type of star called a magnetar, was so bright that it saturated the gamma ray detectors aboard the Rossi X-Ray Timing Explorer (Delta 230) even though RXTE was pointed over 40 degrees away. At least 6 other spacecraft were similarly affected, including NEAR.