Binary planetesimal
= Binary planetesimal
A binary planetesimal is a gravitationally bound pair of <planetesimals>. Its internal <two-body problem> and its <centre of mass> orbit respond differently to external forces, including <gas drag>.
= Binary planetesimal
A binary planetesimal is a gravitationally bound pair of <planetesimals>. Its internal <two-body problem> and its <centre of mass> orbit respond differently to external forces, including <gas drag>.