Assertion: astronaut | /r/CapableOf | experience nighttime
Facets:
value: in 45 minute intervals
type: TEMPORAL
Source sentences:
text: The cool thing about being in the ISS is that astronauts experience nighttime 16 times a day (in 45 minute intervals) as they orbit the Earth every 90 minutes, and can have extremely dark skies when they are on the "dark" side of Earth.