Assertion: ship | /r/CapableOf | return to earth
Facets:
value: within 40 years
type: TEMPORAL
Source sentences:
text: Clocks aboard an interstellar ship would run slower than Earth clocks, so if a ship's engines were capable of continuously generating around 1 g of acceleration (which is comfortable for humans), the ship could reach almost anywhere in the galaxy and return to Earth within 40 years ship-time (see diagram).