In the early morning hours of April 14, the Apollo 13 crew maneuvered their crippled craft into a free-return trajectory around the moon and back towards earth. Radio contact was lost with Apollo 13 that evening, as the spacecraft passed behind the moon.
Apollo 13, the mission that was supposed to be the third lunar landing, came within 164 miles of the moon’s surface at its closest. The mission set a then record distance from earth at 249,205 miles.
The above video was put together by NASA’s Goddard Space Flight Center. It uses data from the Lunar Reconnaissance Orbiter to recreate the view that Apollo 13 had as it passed over the far side of the moon.
As Apollo 13 headed for home, oxygen supplies and cooling water remain in good shape. The astronauts had reduced their water intake to 6 ounces per day. Electricity demand had been reduced by 80%.
Aquarius was not designed to carry three astronauts, and its carbon dioxide filters could not keep up with what the crew was putting into the LM. The filters from the command module did not fit Aquarius, so NASA engineers on the ground were forced to quickly design a makeshift adapter. The setup was dubbed “the mailbox”. All that mattered, was that it worked.
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