In the last 15 years, thousands of planets have been discovered, outside of our own solar system. They’re known as exoplanets. The pace of exoplanet discoveries has increased dramatically in recent years, and there have been some very exciting discoveries in the past few months.
WPSU's Kristine Allen speaks with Angie Wolfgang, a National Science Foundation post-doctoral fellow in the Department of Astronomy and Astrophysics at Penn State University. Dr. Wolfgang studies a special class of exoplanets called “super-Earths.”