Source / pinned edition
Time Dilation
Source of package openstax.relativity · OpenStax University Physics, ch. 5 Relativity, module m58563
- work
- urn:openstax:clir:relativity#M58563
- number
- OpenStax University Physics, ch. 5 Relativity, module m58563
- kind
- urn:openstax:clir:relativity#treatise
m58563/index.cnxml at commit d0ed34a (main, 2026-06-11)
- edition
- urn:openstax:clir:relativity#M58563_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/m58563/index.cnxml | application/xml; charset=utf-8 | sha256:b54732c4894054da54068a302a3b4ef606bca369cb4c3aff6f4f960dd30a8f15 | 2026-09-06T00:00:00Z |
Fragments — 3
module/m58563#fs-id1167794063710 · section · referenced by: 5
en · official · sha256:b72b2642dddc92dd30a5e38dfec3e7e9dd29ce3cde33c86a75a0c3cdd975cb55
<para id="fs-id1167794063710">where <m:math><m:mi>γ</m:mi></m:math> is the relativistic factor (often called the <term class="no-emphasis" id="term-00002">Lorentz factor</term>) given by</para>Referencing norms: LorentzFactorAgreesWithSpeed, LorentzFactorContradictsSpeed, LorentzFactorFromSpeed, presented_lorentz_factor, relative_speed
module/m58563#fs-id1167793409768 · defn · referenced by: 1
en · official · sha256:a2176284c8e4d20e26e3840a97144501d7876141b25f049e0c2adef4993c7ed6
<definition id="fs-id1167793409768">
<term>proper time</term>
<meaning id="fs-id1167793433561"><m:math><m:mrow><m:mtext mathvariant="bold">Δ</m:mtext><m:mtext mathvariant="bold">τ</m:mtext></m:mrow></m:math> is the time interval measured by an observer who sees the beginning and end of the process that the time interval measures occur at the same location</meaning>
</definition>Referencing norms: proper_time
module/m58563#fs-id1167794070887 · defn · referenced by: 4
en · official · sha256:5b0c5d721994eff01e3b2631cab2ff4b0dc0ffc88b89d66997dff4b5f1ebcc79
<definition id="fs-id1167794070887">
<term>time dilation</term>
<meaning id="fs-id1167793924861">lengthening of the time interval between two events when seen in a moving inertial frame rather than the rest frame of the events (in which the events occur at the same location)</meaning>
</definition>Referencing norms: DilatedTimeFromProperTime, TimeDilationAgrees, TimeDilationRefuted, time_measured_in_the_moving_frame
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.