Source / pinned edition
Kepler's Laws of Planetary Motion
Source of package openstax.rotation_equilibrium · OpenStax University Physics, ch. 13 Gravitation, module m58350
- work
- urn:openstax:clir:rotation-equilibrium#M58350
- number
- OpenStax University Physics, ch. 13 Gravitation, module m58350
- kind
- urn:openstax:clir:rotation-equilibrium#treatise
m58350/index.cnxml at commit d0ed34a (main, 2026-06-11)
- edition
- urn:openstax:clir:rotation-equilibrium#M58350_MAIN
- language
- en
- officiality
- official
- materialisation
- PINNED_OFFICIAL_BYTES
- life cycle
- adopted: 2026-06-11
Publications
| URI | Type | documentHash | Retrieved |
|---|---|---|---|
| https://raw.githubusercontent.com/openstax/osbooks-university-physics-bundle/d0ed34a5851119a42e3d972dfc0ff49e4663977c/modules/m58350/index.cnxml | application/xml; charset=utf-8 | sha256:4107961d3aed1171e9a5a1c868daf2028dd36b1e6e1611c7467126a4b69c6454 | 2026-09-06T00:00:00Z |
Fragments — 3
module/m58350#fs-id1168329517229 · defn · referenced by: 4
en · official · sha256:c02d8a5e97cfeb611d539bcb8a802e7d38f8ed7714a6ce4903a5e1772fdc6b9e
<definition id="fs-id1168329517229">
<term>Kepler’s first law</term>
<meaning id="fs-id1168326765861">law stating that every planet moves along an ellipse, with the Sun located at a focus of the ellipse</meaning>
</definition>Referencing norms: KeplerFirstLawFromGravitation, KeplerFirstLawFromObservation, orbit_observed_elliptical, orbits
module/m58350#fs-id1168326790250 · defn
en · official · sha256:8acfee16a206f15031be4cbc7ce3a124b2f74641b7184fb91ff69c8a9d3b08a4
<definition id="fs-id1168326790250">
<term>Kepler’s second law</term>
<meaning id="fs-id1168329461373">law stating that a planet sweeps out equal areas in equal times, meaning it has a constant areal velocity</meaning>
</definition>module/m58350#fs-id1168329137868 · defn · referenced by: 5
en · official · sha256:dd45350d7d3755d93ff6416ff2bb378c81d9c0ea4d3e560d2904b29d95b85728
<definition id="fs-id1168329137868">
<term>Kepler’s third law</term>
<meaning id="fs-id1168329188942">law stating that the square of the period is proportional to the cube of the semi-major axis of the orbit</meaning>
</definition>Referencing norms: DifferentRatiosRefuteThirdLaw, SameRatioSatisfiesThirdLaw, ThirdLawRatioFromPeriodAndAxis, orbital_period_squared, semi_major_axis_cubed
The hash beside the text is the sha256 of its exact bytes. It is the check that the text shown matches the one pinned in the package: a divergence fails the oracle’s static analysis.