Assertion: comet's dust | /r/HasProperty | pushed by sunlight pressure
Facets:
value: outward
type: MANNER
value: at 67,000 mph
type: OTHER
Source sentences:
text: For example, dust blasted off Earth by impacts can be pushed outward by sunlight pressure at 67,000 mph (108,000 km/h), Zubrin wrote — considerably faster than two stars are moving relative to each other in a typical close encounter.