Test Observation of a Red Dwarf (IMAGE) National Institutes of Natural Sciences Caption Comparing the star's spectrum (broken line) to the laser frequency comb (dots) allows researchers to calculate the motion of the star. Credit Astrobiology Center 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.