August 20, 1977 turned out to be a before-and-after moment for me—and probably a lot of other people as well. None of us knew it at the time, though, since the launch of Voyager 2 (followed a few weeks later by Voyager 1) wasn't obviously a big deal to most people. In fact, I wouldn't fully appreciate the change until sometime in 1980.
To understand why, a bit of history is in order. NASA had been sending probes to other planets, like the Mariner and Pioneer series, since the 1960s. However, even the best technology of the time was pretty limited in terms of what it could do remotely. And for most of that time, they were badly overshadowed by manned exploration, first the Apollo missions and Skylab, and later the planning for the space shuttle. In fact, even as the Voyagers flew past Jupiter, I seem to recall more attention being paid to the impending de-orbit of Skylab, which scattered charred pieces of itself over Australia later that year.
But for me, everything changed with the arrival of the January issue of National Geographic early the next year. Its picture, of an erupting volcano on Jupiter's moon Io, was simply stunning. The contents continued to amaze. Supersonic winds in Jupiter's atmosphere. Stunning photos of the Great Red Spot. Water ice reshaping the surface of Europa. I can't even begin to imagine how many times I reread the issue.
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DIGITAL JUICE
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