SP-424 The Voyage of Mariner
10
[110-111] Fig. A-2. This photomosaic of
Mercury was constructed of 18 photos taken at 42-sec intervals by
Mariner 10 six hours after the spacecraft flew past the planet on
March 29, 1974. A large circular basin about 1300 km (800 mi) in
diameter straddles the terminator. This is Caloris. Bright-rayed
craters are prominent in this view of the planet. The pictures were
taken from a distance of 210,000 km (130,000 mi). In (a) latitude and
longitude references for the mosaic are provided, and (b) identifies
some of the geological features. Again, north is at the top, and the
Sun is shining on the planet from the right.
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