Summary: Cosmic voids may seem like the emptiest places imaginable, stripped of matter and radiation. Yet modern physics reveals that even these vast expanses are far from nothing. Cosmic voids are ...
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Black holes that turn matter into energy could explain dark energy and answer two other cosmic questions. Now, the challenge ...
This may seem like the cry of a panicking news reporter in a lurid sci-fi tale, but it’s actually a scientific fact — albeit a slightly hyperbolic one. Mysterious cosmic rays traveling at speeds ...
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One of the most powerful cosmic rays ever detected may have come from this nearby starburst galaxy
Detected in 2021, the Amaterasu particle ranks among the most energetic cosmic rays ever observed, carrying an estimated 244 exa-electronvolts. Its apparent arrival from a nearly empty region of space ...
Gravitational lensing often evokes images of a cosmic funhouse mirror: duplicated galaxies, dramatic arcs and distorted shapes. But the web-like, large-scale structure throughout the universe also ...
High energy astrophysics probes the most energetic phenomena in the Universe, from explosive supernova remnants to the powerful outflows near compact objects. A central focus of this field is the ...
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