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Neil Armstrong’s heart rate spiked to 150+ when NASA turned the control over to him for the moon landing.

The Apollo 11 mission as told through the astronauts’ heart rates

Those heart rate figures are what aerospace experts would expect to see for experienced, physically fit astronauts enduring the stresses of the launch. All three had flown to space before, during the Gemini program, and during that first launch, all three of their beating hearts had hit higher numbers.

On the Apollo 11 blastoff, “Neil Armstong’s rate was a little higher than everybody else’s, because he’s in charge of everything—you expect his adrenaline to be up,” reflects Dr. Ed Powers, the director of the aerospace medicine residency program at the University of Texas Medical Branch and a former NASA flight surgeon during the Shuttle era. “He’s the guy ultimately responsible for flipping all the switches required for launch—I would b… Continue Reading (3 minute read)

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