Altair (IMAGE) U.S. National Science Foundation Caption An artist's rendition of Altair, a star that spins so quickly it stretches at its equator. Astronomers have now captured an image of Altair with such fine detail that variations can be seen on the star's surface. Credit Zina Deretsky, National Science Foundation Usage Restrictions Credit must be reproduced as written. 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.