Did Scientists Just Detect the First Known ‘Exo-Moon’?
As soon as Aleksander Wolszczan confirmed the observation of the first planet outside of our solar system, he immediately reasoned that thousands more would be discovered in the coming decades. On that prediction the astronomer, now 80, was eminently correct, and the trend has...
What to take away
Watch whether this cleaner-energy idea becomes practical enough to spread.
Why it's good
It turns discovery into something people can see, making our place in the universe feel more vivid and real.
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