Stardust Tempel (IMAGE) University of Washington Caption This artist's rendition depicts the Stardust NExT spacecraft approaching comet Tempel 1. The flyby will happen on Valentine's Day. Credit NASA Usage Restrictions News use. 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.