Mariner 7

Mars south polar cap region

1969

Vintage photograph with NASA HQ caption on the verso with identifying number “69-H-1406”.
20.3 x 25.4cm (8 x 10in)

This lot has been imported from outside of the UK for sale and placed under the Temporary Admission regime. Import VAT is payable at 5% on the hammer price. VAT at 20% will be added to the buyer’s premium but will not be shown separately on our invoice.
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Lot Essay

This picture of the Mars south polar cap region, which includes the south pole, shows a wide variety of crater sizes and forms as well as linear and blotchy features not obviously related to cratering. A pair of large craters resembling a footprint in the right centre portion of the picture can be seen in more detail in high resolution picture 20 (M7 – 113). The seasonally varying polar cap may be a layer of carbon dioxide ice (finely granulated dry ice) a few feet in depth or a thin layer of water ice less than an inch deep. The sunset shadow line (evening terminator) appears on the east (right) of this picture. The grid of small black dots is in the focal plane of the camera, and will be used for making precise measurements on the pictures after further computer processing. The principal investigator of the television experiment is Dr. R. B. Leighton.

From NASA caption.