Astronomers have detected and probed dark energy by applying a powerful, new method that uses images of galaxy clusters made by NASA's Chandra X-ray Observatory. The results trace the transition of the expansion of the Universe from a decelerating to an accelerating phase several billion years ago, and give intriguing clues about the nature of dark energy and the fate of the Universe...
Selected coverage:
- Chandra Opens New Line of Investigation on Dark Energy (Chandra press room, NASA HQ)
- Universe given mid-life booster (BBC News)
- Chandra unlocking mystery of 'dark energy' (CNN.com)
- Galaxy cluster X-rays confirm dark energy (New Scientist)
- Chandra Observations Confirm Existence of Dark Energy (Scientific American)
- By X-Raying Galaxies, Researchers Offer New Evidence of Rapidly Expanding Universe (New York Times, subscription required)
- Astronomers Find More Evidence of 'Dark Energy' (Washington Post)
- Cosmos at full throttle (Christian Science Monitor)
- X-ray Scan of Cosmos Probes Dark Energy (SPACE.com)
