https://en.wikipedia.org/wiki/Laser_Interferometer_Space_Ant...
It got approved this summer for a planned launch date in 2034!
See also this feasibility study:
https://en.wikipedia.org/wiki/LISA_Pathfinder
https://en.wikipedia.org/wiki/Laser_Interferometer_Space_Ant...
It got approved this summer for a planned launch date in 2034!
See also this feasibility study:
https://en.wikipedia.org/wiki/LISA_Pathfinder