The space shuttle Discovery prepares for launch and new discoveries from NASA’s Wide-Field Infrared Survey Explorer…kamikaze comets, another exoplanet spotted, a closer look at the moons Rhea, Pallene and Phobos, lost spacecraft, an interview with retired astronaut Bernard Harris and lots more in this edition of This Week in Space with Miles O’Brien. Enjoy!

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Provided by SpaceflightNow.com.

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