There's a universe full of black holes out there, spinning merrily away—some fast, others more slowly. A recent survey of ...
Reverberation mapping is a method that uses the time domain to probe size scales deep within the gravitational potential of the accreting supermassive black hole in the center of an active galactic ...
The Nature Index 2024 Research Leaders — previously known as Annual Tables — reveal the leading institutions and countries/territories in the natural and health sciences, according to their output in ...
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