Ask an Astronaut - How many helmets do you have?

Today, Concordia polled our CPH Facebook fans asking: "What would you ask an astronaut?" Our author, Col. Jeffrey Williams, responded to many of your questions! Here's his response to six-year-old Alayna who asked, "How many helmets do you have?"

To learn more about "The Work of His Hands," visit cph.org.

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