Astronomers spent decades looking for objects from outside our own solar system. Then two arrived at once. When should we expect the next one? And what can they teach us?
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Astronomers spent decades looking for objects from outside our own solar system. Then two arrived at once. When should we expect the next one? And what can they teach us?
In 1977, two spacecraft started a mission that has redefined our knowledge of the Solar System – and will soon become our ambassadors on a journey into the unknown.
