How did Venera 13 and Venera 14 achieve their panoramic views?

Answer

By scanning their surroundings slowly to build up a complete panoramic view

The probes did not take singular, high-resolution snapshots; instead, they scanned their surroundings slowly, moving their cameras back and forth across the scene to build up a complete panoramic view.

How did Venera 13 and Venera 14 achieve their panoramic views?
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