File:MWKeplerPlot.png

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Original file(2,069 × 1,553 pixels, file size: 152 KB, MIME type: image/png)

Summary

Plot of observed orbital period against observed orbital radius for the four Galilean moons.

The grey line is the line of best fit. Because the moons obey Kepler's third law, their plotted points fall on a straight line with gradient .

Upon discovering this relationship (for the planets of the solar system), Kepler wrote "I first believed I was dreaming… But it is absolutely certain and exact…"

File history

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Date/TimeThumbnailDimensionsUserComment
current10:20, 7 March 2022Thumbnail for version as of 10:20, 7 March 20222,069 × 1,553 (152 KB)Matthew (talk | contribs)Plot of observed orbital period against observed orbital radius for the four Galilean moons.

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