Exoplanet Illustration (image) NASA/Goddard Space Flight Center Share Print E-Mail Caption This illustration shows a star's light illuminating an exoplanet's atmosphere. When starlight strikes the atmosphere, the beacon molecules absorb that energy and send it back into space as strong infrared radiation signals. Credit NASA's Goddard Space Flight Center Usage Restrictions None Share Print E-Mail 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.