Planck length
= Planck length
{c}
{title2=$\ell_P$}
{wiki}
The Planck length is $\ell_P=\sqrt{\hbar G/c^3}$. Together with the <Planck mass> $m_P=\sqrt{\hbar c/G}$ it satisfies $Gm_P/c^2=\ell_P$.
= Planck length
{c}
{title2=$\ell_P$}
{wiki}
The Planck length is $\ell_P=\sqrt{\hbar G/c^3}$. Together with the <Planck mass> $m_P=\sqrt{\hbar c/G}$ it satisfies $Gm_P/c^2=\ell_P$.