保护地球，探索宇宙，发现文明
2022年6月5日 Two Black Holes Dancing in 3C 75 Image Credit: X-Ray: NASA/CXC/D. Hudson, T. Reiprich et al. (AIfA); Radio: NRAO/VLA/ NRL Explanation: What’s happening at the center of active galaxy 3C 75? The two bright sources at the center of this composite x-ray (blue)/ radio (pink) image are co-orbiting supermassive black holes powering the giant radio ...
2021年12月07日 Ninety Gravitational Wave Spectrograms and Counting Image Credit: NSF, LIGO, VIRGO, KAGRA, Georgia Tech, Vanderbilt U.; Graphic: Sudarshan Ghonge & Karan Jani Explanation: Every time two massive black holes collide, a loud chirping sound is broadcast out into the universe in gravitational waves. Humanity has only had the technology to hear t...
2021年7月14日 GW200115: Simulation of a Black Hole Merging with a Neutron Star Video Credit: Simulation: S.V. Chaurasia (Stockholm U.), T. Dietrich (Potsdam U. & MPIGP); Visualization: T. Dietrich (Potsdam U. & MPIGP), N. Fischer, S. Ossokine, H. Pfeiffer (MPIGP) Explanation: What happens when a black hole destroys a neutron star? Analyses indicate th...
2020年11月4日 Fifty Gravitational Wave Events Illustrated Image Credit: LIGO Virgo Collaborations, Frank Elavsky, Aaron Geller, Northwestern U. Explanation: Over fifty gravitational wave events have now been detected. These events mark the distant, violent collisions of two black holes, a black hole and a neutron star, or two neutron stars. Most of the 50 event...