Add Yahoo as a preferred source to see more of our stories on Google. On May 20, 1978, NASA launched a spacecraft to Venus. ['On This Day in Space' Video Series on ...
On May 20, 1978, NASA launched a spacecraft to Venus. [‘On This Day in Space’ Video Series on Space.com] The mission was called Pioneer-Venus 1, but it’s also known as the Pioneer Venus Orbiter. This ...
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