binary star system
The newly discovered stars could either merge together or die in supernova explosions, leaving behind black holes.
The takeaway, according to Bromley, is that it's just as easy for an Earth-like planet to form around a binary star as it
This story originally appeared in Nature News. Using data from NASA’s Kepler spacecraft, physicists Ethan Kruse and Eric
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"Thus, we believe most planetary systems are extended, with outer planets orbiting at tens of AU from their host stars," Kaib