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Mesoscale observations of lightning from Space ShuttleMotion pictures have been taken at night by astronauts on the space shuttle showing lightning discharge that spread horizontally at speeds of 100,000/msec for distances over 60 km. Tape recordings have been made of the accompanying optical pulses detected with a photocell optical system. The observations show that lightning is often a mesoscale phenomena that can convey large amounts of electric charge to Earth from an extensive cloud system via a cloud to ground discharge.
Document ID
19840024717
Acquisition Source
Legacy CDMS
Document Type
Technical Memorandum (TM)
Authors
Vonnegut, B. (State Univ. of N.Y. Albany, United States)
Vaughan, O. H., Jr. (NASA Marshall Space Flight Center Huntsville, AL, United States)
Brook, M. (N. Mex. Inst. of Mining and Technology Socorro, United States)
Krehbiel, P. (N. Mex. Inst. of Mining and Technology Socorro, United States)
Date Acquired
September 4, 2013
Publication Date
September 1, 1984
Subject Category
Instrumentation And Photography
Report/Patent Number
NAS 1.15:86451
NASA-TM-86451
Accession Number
84N32788
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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