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Nemesis

We may actually be warmed by TWO suns (NOTE: Subscribers can still listen to this show).

The second one could be hidden beyond the edge of our solar system. The astronomers who are studying it called it "Nemesis."

Binary star systems are common in the Milky Way, and astronomers say that one-third of the stars out there in the galaxy are either binary or part of a multiple-star system. This undetected object could be a red or brown dwarf star. Red and brown dwarfs are smaller and cooler than our Sun, and do not shine brightly.

On the Daily Galaxy website, Casey Kazan quotes NASA's Davy Kirkpatrick as saying, "I think the possibility that the Sun could harbor a companion of another sort is not a crazy idea. There might be a distant object in a more stable, more circular orbit that has gone unnoticed so far." Is science right or wrong this time?

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