A Tale of Three Jupiters, Part 3: Jupiter's Brother Has Three Suns

Three recent news stories have come out, all dealing with exoplanets -- alien worlds -- that have something in common with Jupiter. All three stories are pretty cool, and I thought it would be fun to tell each in a separate, but related post. Not only that, I can tie the planet to the post number, too; Part 1 was on a solitary starless exoplanet, Part 2 was about a double of our own Jupiter. For Part 3, it's about a planet in a triple-star system. In the realm of science fiction, planets orbit...