Two Planets Lighter Than Candy Floss Are Circling a Distant Star in Lockstep
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For months at a time, the sun does not rise over Concordia Station. That is precisely the point. Perched on the Antarctic plateau, more than 3,000 metres up and colder than almost anywhere humans willingly live, a modest 40-centimetre telescope called ASTEP spends the long polar night staring at a single patch of sky. No sunrise to interrupt it, no clouds to speak of, just darkness and the faint, faithful glow of distant stars. And on a few of those nights, the telescope caught something falling
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