Planck scale in nLab

#Contents#
* table of contents
{:toc}

## Idea

In [[physics]] the [[scale]] of the [[Planck mass]] (about $10^{19}$ [[GeV]]) or [[Planck length]] is typically called the _Planck scale_.

## Related concepts

[[length scales]] in the [[observable universe]] (from [[cosmological constant|cosmic]] scales, over [[fundamental particle]]-[[masses]] around the [[electroweak symmetry breaking]] to [[GUT scale]] and [[Planck scale]]):

<center>
<img src="https://ncatlab.org/nlab/files/ScalesInFundamentalPhysics.jpg" width="700">
</center>

> graphics grabbed from [Zupan 19](flavour+in+particle+physics#Zupan19)

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[[!include fundamental scales -- contents]]

## References

* Wikipedia, _[Planck scale](http://en.wikipedia.org/wiki/Planck_scale)_