Other
Scientific paper
Dec 2003
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2003agufmae42a0790l&link_type=abstract
American Geophysical Union, Fall Meeting 2003, abstract #AE42A-0790
Other
3304 Atmospheric Electricity
Scientific paper
In 1991, NASA launched the Compton Gamma-Ray Observatory (CGRO), carrying aboard the multiple detectors of the Burst and Transient Source Experiment (BATSE). BATSE's mission was to study cosmic gamma-ray bursts, but it unexpectedly detected gamma-ray flashes from our atmosphere, dubbed Terrestrial Gamma-ray Flashes (TGFs). These events may be caused by electrical discharges in the upper atmosphere related to lightning storms although there have been alternate models proposed. A relationship with high-altitude optical phenomena, namely sprites and jets, has been considered. We are searching for TGFs with the Reuven Ramaty High Energy Solar Spectroscopic Imager (RHESSI), in orbit since 2002. We will present the status of this search and discuss RHESSI's capabilities versus BATSE. Having a clearer understanding of these events and their origins is important for the study of Earth's upper atmosphere and particle acceleration processes, to help establish a clearer relationship with high altitude optical events, and to evaluate the potential for similar phenomena in other planets with thunderstorm activity such as Jupiter.
Lin Robert P.
Lopez Liliana I.
Smith Masson D.
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