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Geodesy

earth science Maturity 9-11

We study the shape of Earth.

Geoid undulation 10k scale.jpg
Geoid undulation 10k scale.jpg
It is not a perfect ball. We use tools to find where we are. This helps us make maps. It helps us find our way. Can you find your way home?
GPS satellite approaching 23 years on orbit (1060259).jpeg
GPS satellite approaching 23 years on orbit (1060259).jpeg

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🖼️ Images & Media (20)
File:GPS antenna and receiver Mount Blue Sky Colorado 23 August 2023.png
GPS antenna and receiver Mount Blue Sky...
File:Geoid undulation 10k scale.jpg
Geoid undulation 10k scale.jpg
File:Surface of latitude ellipsoid cone.gif
Surface of latitude ellipsoid cone.gif
File:WGS84_mean_Earth_radius.svg
WGS84_mean_Earth_radius.svg
File:Datum Shift Between NAD27 and NAD83.png
Datum Shift Between NAD27 and NAD83.png
File:Elliptical coordinates grid.svg
Elliptical coordinates grid.svg
File:Litography archive of the Bayerisches Vermessungsamt.jpg
Litography archive of the Bayerisches...
File:An-illustration-of-height-measurement-using-satellite-altimetry.jpg
An-illustration-of-height-measurement-usin...
File:GPS satellite approaching 23 years on orbit (1060259).jpeg
GPS satellite approaching 23 years on...
File:Geodetic Control Mark.jpg
Geodetic Control Mark.jpg
File:Apollo IMU at Draper Hack the Moon exhibit.agr.jpg
Apollo IMU at Draper Hack the Moon exhibit.agr.jpg
File:AxialTiltObliquity.png
AxialTiltObliquity.png

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📚 Content adapted from Wikipedia | Readability: FK 15.2 | Vital Level 4