Black holes are the most fuel efficient engines in the universe, according to a new study using NASA's Chandra X-ray Observatory. By making the first direct estimate of how efficient or 'green' black holes are, this work gives insight into how black holes generate energy and affect their environment...
Selected coverage:
- NASA's Chandra Finds Black Holes Are "Green" (Chandra press room, NASA HQ)
- Black holes are actually 'green' (CNN.com, SPACE.com)
- Scientists: Black Holes Energy-Efficient (Washington Post, FOXNews.com)
- Black holes generate 'green' energy (MSNBC)
- Black holes actually green: official (The Register)
- High efficiency of black hole 'engines' revealed (New Scientist)
- Older Black Holes Still Full of Energy (Scientific American)
- Black Holes Are "Green," X-Ray Study Says (National Geographic News)
- NGC 4696: Energy from a Black Hole (Astronomy Picture of the Day)
