| This photograph from the Sloan Digital Sky Survey shows the second of two newly discovered hypervelocity stars (marked with an arrow). SDSS J091759.5+672238 is moving outward at 1.43 million miles per hour and currently is located about 180,000 light-years from the earth. This image is about 7 arcminutes on a side, showing an area of the sky about 1/15 the size of the Full Moon. Credit: SDSS Collaboration |
