The scientific tourist #78 — two firsts

From the Museum of Flight in Seattle, Washington, models of Sputnik and Explorer I — the first (ever) artificial satellite, and the first U.S. satellite:

Two firsts

It’s amazing to think how far we’ve come in 50 years, at least in technological terms. From two little gadgets weighing only a few pounds each, to massive satellites the size of a bus.

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