How can you learn in real-time about new gravitational-wave candidate signals discovered by @LIGO, Virgo, and KAGRA during the fourth observing run O4? One possibility: the “Public Alerts” on the GraceDB webpage:

https://gracedb.ligo.org

This week's #MultimediaMonday features GW170718, the first binary neutron star merger observed in gravitational waves. Watch this beautiful scientific visualisation:

https://www.youtube.com/watch?v=xfj-8WnORhg

What are the plans for future gravitational-wave astronomy? One exciting project to look forward to is LISA (Laser Interferometer Space Antenna), the planned space observatory which will observe low-frequency gravitational waves.

https://www.lisamission.org/

Soon, @LIGO, Virgo, and KAGRA will begin their 4th observing run (O4). Here's the current schedule for the next years, including all previous and planned runs and info on how far into the Universe we have listened / will listen. #FutureFriday #Waiting4O4 #O4