There's so little we know about circumbinary planets—planets that orbit two stars instead of one—that they can feel like the stuff of fantasy. And for good reason: to date, we've only confirmed the ...
An oddity among exoplanets, L 98-59 d is (so far) in a class all its own, but astronomers expect powerful new telescopes will ...
There's an iconic scene in the original Star Wars where Mark Hamill's Luke Skywalker watches a double sunset above Tatooine, ...
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