This week's question:

What is the name of the US mission that will slam a spacecraft into an asteroid in the 2020s as a kinetic impactor demonstration mission? It will be a test of our ability to change the path of a Near Earth Object.

To submit your answer:

Complete the contest entry form at http://planetary.org/radiocontest or write to us at [email protected] no later than Wednesday, May 31st at 8am Pacific Time. Be sure to include your name and mailing address.

Last week's question:

What Near Earth Asteroid will the Hayabusa 2 mission visit and return samples from?

Answer:

The answer will be revealed next week.

Question from the week before:

With legs deployed, how tall was the Lunar Excursion Module (Ascent and Descent Modules)?

Answer:

With legs fully-extended, the Lunar Excursion Module (later just Lunar Module) stood 7 meters or about 23 feet tall.