I just saw Sam’s video from below and obnoxiously au courant-adly thought of the German satellites making their intricate orbital maneuvers to use radars to capture a “most detailed ever 3D map” of the Earth’s topography. I did some back of the envelope calculations and think the close distances these satellites are approaching each other— within 200 meters at an orbit 514 kilometers up— is equivalent to a precision of 1 in 217000 at that orbit. Did I mention they were launched 3 years apart?

Dr. Manfred Zink is a project manager (for the TanDEM-X side). This, obviously, is Manfred Mann:

This was the top comment when I saw that page today:

great song by a proper band i.e. people who could play instruments and perform live not like the manufactured crap of today (i guess i’m getting old a ) still who cares we all get old sometime i suppose
I hope that guy didn’t realize that for the first time during his YouTube comment.
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