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| .....Four solar panels,
each 215 x 90 cm, extended out from the
top of the frame. Each set of two solar
panels spanned 6.89 meters from tip to
tip. Also mounted on the top of the frame
were two propulsion tanks, the maneuver
engine, a 1.44 m long low gain antenna
mast and a parabolic high gain antenna. A
scan platform was mounted on the bottom
of the frame, on which were attached the
mutually bore-sighted science instruments
(wide- and narrow-angle TV cameras,
infrared radiometer, ultraviolet
spectrometer, and infrared interferometer
spectrometer). The overall height of the
spacecraft was 2.28 m. The launch mass
was 997.9 kg, of which 439.1 kg were
expendables. The science instrumentation
had a total mass of 63.1 kg. The
electronics for communications and
command and control were housed within
the frame. |
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