This week's question:

For spacecraft not headed to or near the Moon, what human mission had the highest apogee (traveled the farthest from Earth)?

To submit your answer:

Complete the contest entry form at http://planetary.org/radiocontest or write to us at [email protected] no later than Tuesday, September 20th at 8am Pacific Time. Be sure to include your name and mailing address.

Last week's question:

Which Mercury program human missions landed in the Pacific Ocean?

Answer:

The answer will be revealed next week.

Question from the week before:

Which Space Shuttle Orbiter was the only one to have traveled by land, sea and air? (Slightly tricky!)

Answer:

Enterprise was the only Space Shuttle Orbiter to travel by air, sea and land, though it never flew in space. The Soviet Union’s test vehicle for the Buran shuttle known as OK-GLI also traveled by air, sea and land, though it wasn’t truly a spacecraft.