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| Keyword：black hole |
| Concept： |
| Black holes are sneaky. They lurk out there in the dark, not giving off any detectable radiation, making them very hard to find. But they have a weakness: they"re ... |
| Scientists have found a "cosmic killer" black hole that could be a long-anticipated missing link and solve one of the mysteries of the cosmos. The black hole is ... |
| Experts from the University of New Hampshire in Durham say it is about 50000 times larger than the Sun and is a "missing link" in the evolution of the universe. |
| Astronomers say they have found the best evidence yet for an elusive class of black hole. |
| The Hubble Space Telescope may be one of the most famous objects humans have put in space. It has provided iconic images that have inspired thousands ... |
| NASA"s James Webb Space Telescope has fully deployed its primary mirror for the first time, marking another milestone on its journey to space. |
| The James Webb Space Telescope has crossed another milestone on the path to its long-awaited launch. NASA engineers have now completed a deployment ... |
| Even before the crucial 1993 mission to repair its misshapen mirror, the telescope managed to contribute to some important science. |
| Peering into the darkness to see what we could not previously see, the Hubble Space Telescope has been delighting scientists and the general public for 30 ... |
| Scientists say mid-size black holes are the missing link in their understanding of black hole evolution. |