Gaseous optical contamination of the spacecraft environment: A review

Details Gaseous optical contamination of the spacecraft environment: A review Gaseous optical contamination of the spacecraft environment: A review

Mar 1990

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1990soar.work..159t&link_type=abstract

In NASA, Lyndon B. Johnson Space Center, Third Annual Workshop on Space Operations Automation and Robotics (SOAR 1989) p 159-166

Computer Science

Sound

Contamination, Optical Pumping, Organic Materials, Reaction Products, Rocket Engines, Rocket Exhaust, Sounding Rockets, Spacecraft Environments, Sunlight, Vapor Phases, Ambience, Atmospheric Sounding, Catalysis, Erosion, Lunar Luminescence, Targets, Terrestrial Radiation, Ultraviolet Radiation

Scientific paper

Interactions between the ambient atmosphere and orbiting spacecraft, sounding rockets, and suborbital vehicles, and with their effluents, give rise to optical (extreme UV to LWIR) foreground radiation which constitutes noise that raises the detection threshold for terrestrial and celestial radiations, as well as military targets. Researchers review the current information on the on-orbit optical contamination. Its source species are created in interaction processes that can be grouped into three categories: (1) Reactions in the gas phase between the ambient atmosphere and desorbates and exhaust; (2) Reactions catalyzed by exposed ram surfaces, which occur spontaneously even in the absence of active material releases from the vehicles; and (3) Erosive excitative reactions with exposed bulk (organic) materials, which have recently been identified in the laboratory though not as yet observed on spacecraft. Researchers also assess the effect of optical pumping by earthshine and sunlight of both reaction products and effluents.

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