Analysis of information sources in references of the Wikipedia article "중력파천문학" in Korean language version.
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 are now seeking to pinpoint the origins of an exciting new form of gravitational waves that was announced earlier this year.