Word: apollos
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Thus, five hours and 25 minutes after the service-module explosion, the lunar module's descent engine was fired. Had it not burned, Apollo 13 would have swung around the moon but missed the earth on the return trip by 2,951 miles and gone into a wide-ranging earth orbit, stranding the astronauts. But the lunar module engine performed reliably. With only a 30.7-second burn, it put Apollo 13 on a course that would carry it toward a splashdown in the Indian Ocean. Houston?and the world?breathed easier, but Mission Control knew that the burn was only...
...unpowered and chilly command module, the third remained on watch "downstairs" in the lunar module. Ground controllers had at least one bit of cheering news. To the delight of scientists, the Saturn third-stage S-4B rocket (which itself had been aimed toward the moon after giving Apollo its final boost) had hit the lunar surface exactly as planned. Its impact created a reverberation that registered for four hours on the Apollo 12 Ocean of Storms seismometer. "Well, at least something worked on this flight," sighed Lovell...
...Apollo 13 itself reached the moon Tuesday night, but it never came closer than 158 miles. As it emerged from behind the far side, the astronauts prepared for the crucial "hurry-home" burn. But there was a hitch. So much debris was still floating outside the spacecraft's windows that a star sighting?to align Apollo properly for the burn?was impossible ("It looks like we're in the middle of the Milky Way," the astronauts had remarked earlier). But the spacemen neatly improvised by taking rougher fixes on the moon and the sun. Then they fired Aquarius' descent engine...
Picking up speed under the increasing pull of the earth's gravity, Apollo was now rapidly approaching its narrow re-entry slot. To make sure of a precise reentry, Lovell and Haise fired one more brief burst from Aquarius' thrusters. Swigert meanwhile took up his post in the command module pilot's seat. Looking out of the window, he commented: "That earth is whistling in like a high-speed train...
...minutes later, Apollo 13 began its novel separation procedures. Again hitting the thrusters, Lovell forced Aquarius against the command and service modules. Almost simultaneously, Swigert fired several explosive bolts, detaching the service module from Odyssey. Lovell also fired the LM's thrusters again. The "push-pull" tactic shoved the service module away from Aquarius and Odyssey, enabling the astronauts to see the disabled module for the first time. It was an incredible sight. The module had lost an entire 15-foot-long panel covering Bay 4, and a tangle of wiring and debris trailed out of the gaping hole. Using...