qqp question1: How many sunsets and sunrises do the crew of the ISS see while it orbits our planet at an approximate distance of 250-miles every 90-minutes? question2: The moon is roughly 250,000 miles from Earth. Escape velocity from Earth orbit is roughly 25,000 miles per hour. How is it that a trip from Earth orbit to Lunar orbit takes, not ~ 10 hours, but about 3 days?