Eric Walker added Congratulations, You Survived Black Hole Week - The New York Times to a number of topics
Eric Walker added Laser Interferometer Gravitational-Wave Observatory (LIGO) and Virgo interferometer and These Black Holes Shouldn’t Exist, but There They Are - The New York Times and The Gravitational-Wave "Revolution" Is Underway - Scientific American to Gravitational-wave astronomy, and added Gravitational-wave astronomy to Astronomy, astrophysics and cosmology and Gravitational waves
Eric Walker added a number of links to GW190521, and added GW190521 to Laser Interferometer Gravitational-Wave Observatory (LIGO), Black holes and Virgo interferometer
Eric Walker added a number of topics and r/geology - The Dee Wright Observatory in Sisters, Oregon. It sits in the middle of a lava flow and made of the rocks it surrounds. to Telescopes, observatories and telescope networks, and added Telescopes, observatories and telescope networks to Astronomy, astrophysics and cosmology and Measuring instruments and measurement techniques
Eric Walker added GW190521 and Congratulations, You Survived Black Hole Week - The New York Times and A Black Hole’s Lunch Provides a Treat for Astronomers - The New York Times to Virgo interferometer, and added Virgo interferometer to Telescopes, observatories and telescope networks and Gravitational-wave astronomy