Atomic recombination into excited molecular - A possible mechanism for Shuttle glow

Details Atomic recombination into excited molecular - A possible mechanism for Shuttle glow Atomic recombination into excited molecular - A possible mechanism for Shuttle glow

Jun 1984

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1984georl..11..576g&link_type=abstract

Geophysical Research Letters (ISSN 0094-8276), vol. 11, June 1984, p. 576-579. Research supported by Physical Sciences, Inc. and

Physics

20

Atomic Recombination, Luminescence, Satellite Surfaces, Space Shuttle Orbiters, Spacecraft Glow, Atomic Collisions, Collision Parameters, Molecular Excitation, Molecular Spectra, Nitrogen

Scientific paper

The present class of energetic collision mechanisms may be responsible for the glow observed above Space Shuttle surfaces exposed to energetic collisions with ambient atmospheric constituents in orbit, since the collisional energies involved are sufficient for the dissociation of atmospheric N2 on impact with Shuttle surfaces. At Space Shuttle altitudes, collisional quenching is negligible; the metastable N2 A molecules slowly decay radiatively to form N2 B molecules on a millisecond time scale, and then rapidly radiate to the A state to produce the red N2 'First Positive Bands'.

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