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This week's prize is a littleBits Space Kit! Over one million circuit combinations and ten activities created in collaboration with NASA’s Goddard Space Flight Center.

This week's question:

Measured across the Earth’s surface (not including the vertical distance), how far did Alan Shepard travel in Freedom 7?

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, May 13, at 8am Pacific Time. Be sure to include your name and mailing address.

Last week's question:

What is the dirtiest job in the space program? Make sure it’s a real job. Bonus points for humor.

Answer:

The answer will be revealed next week.

Question from the week before:

What is the name of the moon orbiting the trans-Neptunian object Quaoar?

Answer:

Weywot is the moon orbiting trans-Neptunian object Quaoar.