Astronomers find first direct evidence of gravitational wave background
Scientists have heard the "chorus" of gravitational waves emanating throughout the universe for the very first time, and it's louder than they expected.
The new discovery was made by scientists using the North American Nanohertz Observatory for Gravitational Waves (NANOGrav).
To reach their findings, they closely observed stars called pulsars that essentially act as cosmic metronomes, allowing scientists to measure a great deal of space phenomena.
Crucially, the new findings constitute the first direct evidence for the gravitational wave background, which only existed in theories until now.
"This is just the beginning"
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