It looks like you're right. After posting my question I clicked through to the GPI site (http://www.planetimager.org http://www.planetimager.org), which says th

It looks like you're right. After posting my question I clicked through to the GPI site (http://www.planetimager.org http://www.planetimager.org), which says the project is imaging and characterizing exoplanets. And, in case anyone else is curious, an exoplanet is a planet outside our solar system.