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The Most Extreme Cosmic Rays Ever Detected May Be Coming from Right Next Door—Not Deep Space
For years, astronomers have searched for the origins of ultra-high-energy cosmic rays, the most powerful particles in the ...
7 stunning images of black holes by NASA
The image shows the galaxy NGC 4438, where a supermassive black hole is releasing huge bubbles of hot gas into space. The image captures an elliptical galaxy surrounded by a dark dust lane, seen ...
New discovery reveals black hole as massive as 36 billion suns in cosmic horseshoe
Astronomers have discovered an ultramassive black hole 36 billion times heavier than the Sun in the galaxy LRG 3-757. This ...