Oumuamuawasalso10timesmorereflectivethanordinaryspacerocksfromtheMilkyWayandincreasedinvelocityasitswoopedbythesunfasterthancouldbeexplainedbygravitationalequations.Teentimes소리듣기오우무아무아역시은하수에서나온일반우주암석보다반사율이 10배 높았고중력방정식으로설명할 수 있는속도보다빠르게태양에의해급강하하면서속도가빨라졌다.