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But as they were putting on their portable life-support-system backpacks (those big, iconic backpacks), the astronauts accidentally knocked off the tip of a circuit breaker. Armstrong and Aldrin suited up for the first moonwalk. He added, "it's not like he would be running on fumes, but it was below the projected level of fuel they were hoping to have when they landed." 5. "You know that even at the red line you can drive another 20 miles - you have a reserve." "But it was more like when you would drive your car," Pearlman said. In the meantime, the craft was running low on fuel, meaning there was a possibility the astronauts would have to abort the mission.
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So "he took over manual control and bypassed a large crater and steered past the boulders to find a cleared area where they could come down safely," Pearlman said. Low fuelĪs the Apollo 11 astronauts neared the moon, they had a slight delay that caused them to miss their designated landing spot in the Sea of Tranquility.Īrmstrong, the mission commander, realized that the spacecraft was coming down in an area with large craters and boulders. But that was OK, because the computer was designed to drop processes as needed, and it had rankings as to what was most critical."Īpollo 11 astronauts took this photo of the moon's pockmarked face. "It was warning that it did not have the ability to calculate everything that was needed to be calculated. "What was happening was that too many commands were being loaded into the computer and it was running out of memory," Pearlman told Live Science. Similar alarms went off later, but the mission proceeded. This particular alarm signaled a computer overload, but as long as the alarm cleared, the astronauts were good to go, mission control said.
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Luckily, mission control had gone through every conceivable code during simulations on Earth. It wasn't the astronauts' responsibility to memorize all of the alarm codes, so they radioed down to mission control to determine whether they needed to abort the landing, Pearlman said Just as Apollo 11 was preparing to land on the moon, the astronauts aboard - Armstrong and Buzz Aldrin - saw their navigational computer flash a 1202 alarm, which meant something was wrong. The lunar lander exploded in a fiery ball as it hit the ground, and Armstrong missed certain death by seconds. During the flight, in Houston, leaking propellant resulted in a total failure of the flight controls.Īs the aircraft hurtled toward the ground, Armstrong ejected himself and parachuted down from about 30 feet (9 meters) above the ground. On May 6, 1968, he was piloting the lunar-landing research vehicle, an aircraft meant to simulate a moon landing.
Neil Armstrong nearly diesĪrmstrong, the first human to walk on the moon, nearly died just over a year before the July 1969 launch.
NASA redesigned the hatch and enacted other safety measures, which ensured that the Apollo 11 mission wouldn't face similar obstacles in space. But it also gave NASA the opportunity to step back, rethink its priorities." "It did set back the program for a year they didn't fly again until 1968. space historian and the founder and editor of collectSpace. "It both threatened the mission and made the mission possible," said Robert Pearlman, a U.S. And the astronauts couldn't escape, because the hatch door opened inward and the pressure inside from the fire was so great that the astronauts couldn't pull the door open. The module's pure-oxygen environment and flammable interior fed the conflagration. An investigation later found that a stray spark, likely from damaged wires, started the fire.
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