Empirical Earth · Space, Satellites & the Edges of the Map

The satellites in your pocket

The claim

“There’s no such thing as space or satellites — it’s all a hoax.”

What is measured

Thousands of active satellites follow Newtonian orbits whose passes and Doppler shifts are predicted to the second around a spinning globe.

What would show this is wrong

predictable satellite passes and Doppler curves that orbital mechanics around a globe failed to produce.

Sources

  1. N. Ashby, "Relativity in the Global Positioning System." Living Reviews in Relativity 6, 1 (2003) — the ≈38 µs/day clock correction. Living Reviews (Ashby) link
  2. MEMS vibratory (Coriolis) gyroscopes. Performance grades and bias stability; tactical/consumer applications and GPS aiding. Standard inertial-sensor literature. MEMS gyroscope link
  3. GNSS & satellite orbits. GPS/GNSS medium Earth orbit ≈20,200 km; geostationary 35,786 km; ISS ≈400 km. gps.gov (space segment) · NASA ISS . link
  4. Orbital period is set by altitude. A satellite’s period depends only on its orbital radius, via Kepler’s third law for a central mass: GPS satellites at ~20,200 km orbit in 11 h 58 m (half a link
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