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The first possibility of a planet outside our solar system was discovered just over 300 years after the first telescope but not confirmed until 1992, almost 400
by bpeebles 6y ago
The first possibility of a planet outside our solar system was discovered just over 300 years after the first telescope but not confirmed until 1992, almost 400 years after telescopes.
Finding the first planet outside our galaxy just 28 years later is pretty good!