Galileo: moons orbiting another planet

What changed

Recorded four satellites moving around Jupiter, showing directly that not every celestial body revolves around Earth.

Scientific scope

Recorded four satellites moving around Jupiter, showing directly that not every celestial body revolves around Earth. Scope limitation: This package covers Galileo’s 1610 observations and report. Simon Marius’s independent observations and the history of priority are acknowledged in the NASA source.

Evidence

Assessment uses the catalogue-linked source evidence for the stated contribution. This package covers Galileo’s 1610 observations and report. Simon Marius’s independent observations and the history of priority are acknowledged in the NASA source.

Contributors

• Galileo Galilei · SCIENCE: Named source contributor; exact labor shares are not measured.

• Galileo: moons orbiting another planet — institutional collection or historical source
• NASA catalogue: independent observations by Marius

Provisional WRS assessment, edition 2026-10-16.1. Independent expert calibration is pending. This grade does not certify correctness or assign ownership.

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