Catastrophic planetesimal collision rate
= Catastrophic planetesimal collision rate
{title2=$R_{\rm cc}$}
The catastrophic planetesimal collision rate is the collision rate integrated over impactors large enough to satisfy $Q\geq Q_D^*$.
= Catastrophic planetesimal collision rate
{title2=$R_{\rm cc}$}
The catastrophic planetesimal collision rate is the collision rate integrated over impactors large enough to satisfy $Q\geq Q_D^*$.