NASA Photo ID: STS039-367-006 File Name: 10064167.jpg
Film Type: 35mm Date Taken: 05/06/91
Title: STS-39 Critical Ionization Velocity (CIV) gas release from OV-103 payload bay
Description:
A plume of nitrous oxide gas is released from a compressed gas canister
mounted on the increased capacity adaptive payload carrier 1 (ICAPC-1) on
the forward port side of Discovery's, Orbiter Vehicle (OV) 103's, payload
bay (PLB). The gas release is part of the Critical Ionization Velocity
(CIV) experiment conducted during STS-39. The Shuttle Pallet Satellite II
(SPAS-II) "parked" about two kilometers (km) away, is taking infrared,
visible, and ultraviolet radiometric spatial, spectral, and temporal
measurements of the gas plumes. Surrounding the CIV ICAPC-1 are: the
ICAPC-2 payload support subsystem, radiometer, and Langmuir probe also
mounted on the port side; the Space Test Payload 1 (STP-1) multipurpose
experiment support structure (MPESS) (just beyond gas beam); and the Air
Force Program 675 (AFP-675) experiment support structure (ESS).
Subject terms:
CANISTERS
COMPRESSED GAS
DISCOVERY (ORBITER)
GASES
NITROUS OXIDES
PAYLOAD BAY
PLASMA INTERACTION EXPERIMENT
SPACEBORNE EXPERIMENTS
STS-39
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