Assertion: newton's manuscript | /r/CapableOf | show newton's interest
Facets:
value: in planetary motion
type: LOCATION
Source sentences:
text: Surviving manuscripts of the 1660s also show Newton's interest in planetary motion and that by 1669 he had shown, for a circular case of planetary motion, that the force he called "endeavour to recede" (now called centrifugal force) had an inverse-square relation with distance from the center.