Kepler-444 (IMAGE) Iowa State University Caption Kepler-444 is a recently discovered star with at least five Earth-size planets. The system is 11.2 billion years old. Credit Illustration by Tiago Campante/Peter Devine. Usage Restrictions None License Licensed content 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.