Thirty years ago — July 20, 1976 — NASA’s Viking 1 became the first spacecraft to land on Mars and send back detailed pictures of the surface. The Vikings paved the way for NASA’s Mars exploration ...
When NASA's Viking 1 lander made history as the first spacecraft to touch down on Mars on July 20, 1976, it sent back images of a landscape no one was expecting. When NASA's Viking 1 lander made ...
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