Exoplanet rendering (IMAGE) University of Florida Caption An artist's rendering of Kepler-10 b, which, like newly discoered exoplanet HD 63433 d is a small, rocky planet in a tight orbit of its star. Credit NASA/Ames/JPL-Caltech/T. Pyle Usage Restrictions No restrictions. License Public Domain Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.