There's A Tree In Philly That's Been To The Moon And Back (Well, Sort Of)

Back in 1971, NASA astronaut Stuart Roosa set out on the Apollo 14 mission, becoming one of the 24 people to travel to the Moon. On the trip, he brought along 500 tree seeds as a favor to the U.S. Forest Service. The agency, for which Roosa had previously served as a firefighter, had wondered about how being in space would affect tree seeds -- namely, whether they'd be able to germinate back on Earth. The Apollo 14 mission presented itself as the perfect opportunity to test it out, so they took advantage and asked for Roosa's help. He was...

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