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| .....Ranger 7 was
designed to achieve a lunar impact
trajectory and to transmit high-resolution
photographs of the lunar surface during
the final minutes of flight. The
spacecraft carried six television
cameras, an optical earth sensor and high-gain
antenna for optimum communications, and
solar panels to provide power (as well as
additional engineering equipment). The
telecommunications equipment converted
the composite video signal from the
camera transmitters into an RF signal for
subsequent transmission through the
spacecraft high-gain antenna. Sufficient
video bandwidth was provided to allow for
rapid framing sequences of both narrow-
and wide-angle television pictures. The
spacecraft encountered the lunar surface
in direct motion along a hyperbolic
trajectory, with an incoming asymptotic
direction at an angle of -5.57 degrees
from the lunar equator. The orbit plane
was inclined 26.84 degrees to the lunar
equator. After 68.6 hours of flight,
impact occurred in an area between Mare
Nubium and |
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