Largest 3D map of the Universe released filling in 11 billion year gap in the middle

[gary]

Twenty years in the making, the Sloan Digital Sky Survey has released
the largest 3D map of the Universe ever created, filling in the
troublesome gap in the middle of 11 billion years.





Full press release here including images and four videos :-
https://www.sdss.org/press-releases/no-need-to-mind-the-gap/

[Sunfish]

Very interesting. Thanks Gary. Not so many unknown wrinkles in expansion now. Not sure I can get my head around the apparent variation in the Hubble Constant and curvature of space but good to know someone is accounting for that.