English X-rays from Comet C/1999 S4 (LINEAR). On July 14, 2000 the Chandra X-ray Observatory imaged the comet repeatedly for a total of 2 ½ hours and...
English X-rays from Comet C/1999 S4 (LINEAR). On July 14, 2000 the Chandra X-ray Observatory imaged the comet repeatedly for a total of 2 ½ hours and...