The discovery and optical imaging of Fomalhaut b , a planet orbiting the nearby star Fomalhaut, has wider implications for exoplanet science. I talked to NASA scientist Marc Kuchner about it. Kuchner works in the Exoplanets and Stellar Astrophysics Laboratory at Goddard Space Flight Center in Greenbelt, Maryland. He uses computer models to study the effect planets have on interplanetary dust. Kuchner (pictured at left below) and Christopher Stark...