My physics teacher in high school first introduced me to the Dutch equivalent of the saying “to Measure is to know.” In the current climate of anti-intellectualism a.k.a. post-truth, measuring is often attacked. Let’s have a look at measuring and its pitfalls.
Before humanity managed to send man-made objects into space seventy-five years ago, the field of orbital mechanics didn’t really exist. Only the movements of other celestial bodies mattered. Things have really changed since then.