Astronomers have found a background din of exceptionally long-wavelength gravitational waves pervading the cosmos. The cause? Probably supermassive black hole collisions, but more exotic options can’t be ruled out.
Astronomers have found a background din of exceptionally long-wavelength gravitational waves pervading the cosmos. The cause? Probably supermassive black hole collisions, but more exotic options can’t be ruled out.
I would recommend just reading the article. Quanta magazine generally does an excellent job of explaining new research results in a way that’s accessible to the general public without using the hyperbolic, misleading, or outright wrong language that often shows up in shoddy science reporting.