Binary Star System (IMAGE) Max Planck Institute for Physics Caption Artwork of the binary star system RS Ophiuchi: Matter flows from the red giant onto the white dwarf. The newly added stellar envelopes explode in a bright nova about every 15 years. Credit superbossa.com/MPP Usage Restrictions Use for coverage on astrophysics-related topics License Original 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.