Composite X-ray and optical image of the remnant of Kepler's supernova. (image) Royal Astronomical Society Share Print E-Mail Caption The red, green and blue colours show low, intermediate and high energy X-rays observed with NASA's Chandra X-ray Observatory, and the star field is from the Digitized Sky Survey. Credit Credit: NASA / CXC / NCSU / JPL-Caltech / M. Burkey et al. Usage Restrictions None Share Print E-Mail 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.