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LIGO on Lookout for 8 Sources of Gravitational Waves

“Seekers of gravitational waves are on a cosmic scavenger hunt.

Since the Advanced Laser Interferometer Gravitational-wave Observatory turned on in 2015, physicists have caught these ripples in spacetime from several exotic gravitational beasts — and scientists want more.

This week, LIGO and its partner observatory Virgo announced five new possible gravitational wave detections in a single month, making what was once a decades-long goal almost commonplace (SN Online: 5/2/19)….

….“We’d be surprised if they didn’t exist, but we haven’t seen one” of these combinations, says LIGO team member Christopher Berry of Northwestern University in Evanston, Ill.”


Read the full article in Science News, “LIGO is on the lookout for these 8 sources of gravitational waves” by Lisa Grossman.


Image Credit: NASA’s Goddard Space Flight Center/CI Lab