NeilArmstrong_JohnYoung_1964.jpg "Snow Bowl Last Astronaut Stop"ThumbnailsGeology Training on the Bonito Lava Flow, 1964
Description: Apollo astronauts John Young (left) and Neil Armstrong (center) with a Branch of Astrogeology trainer exploring the Bonito Lava Flow in 1964.

Prior to the first successful moon landing, scientists thought the rough lava-flow surface was likely how the surface of the moon would be.

Collection: Sunset Crater Volcano National Monument.
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National Park Service
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NeilArmstrong_JohnYoung_1964.jpg
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