Another piece of the cosmic puzzle is discovered. A new planet less than twice the size of earth orbiting a sun like star. A rocky planet that orbits once every 20 hours… sounds like earth, but can it sustain life? WHYY's Dave Heller and Franklin Institute Chief Astronomer Derrick Pitts discuss the possibilities and delve into the characteristics of stars. Did you know a bright red star exists called Beetle juice? Or that the hottest stars look blue? Find out more on this week's SkyTalk.

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