to depressurize system
11Apollo 15, Return to Earth — After the Apollo 15 Lunar Module Falcon lifted from the lunar surface it rendezvoused and docked with the Command/Service Module Endeavour . After transferring across the lunar samples and other equipment, Falcon was jettisoned. It would fire its …
12Apollo 15, Outward journey — Launching at 9:34:00 am EST on July 26, 1971, Apollo 15 would take four days to reach the Moon. After spending two hours in orbit around the Earth, the S IVB third stage of the Saturn V was reignited to send them to the Moon.During the retrieval… …
13Apollo 15, Lunar surface — Apollo 15 Commander David Scott and Lunar Module Pilot James Irwin spent three days on the Moon and a total of 18½ hours outside the spacecraft on lunar extra vehicular activity. The mission was the first not to land in a lunar mare, instead… …
14Snakes on a Plane — For the first single from Cobra Starship, see Snakes on a Plane (Bring It). Snakes on a Plane …
15Extra-vehicular activity — (EVA) is work done by an astronaut away from the Earth and outside of a spacecraft. The term most commonly applies to an EVA made outside a craft orbiting Earth (a spacewalk) but also applies to an EVA made on the surface of the Moon (a moonwalk) …
16Zond 1 — was a member of the Soviet Zond program. It was the second Soviet research spacecraft to successfully reach Venus, although communications had failed by that time. It carried a 90 cm spherical landing capsule, containing experiments for chemical… …
17Disaster (Star Trek: The Next Generation) — Disaster Star Trek: The Next Generation episode Troi finds herself in over her head Episode no …
18Direct Vent Heater — A type of combustion heating system in which combustion air is drawn directly from outside and the products of combustion are vented directly outside. These features are beneficial in tight, energy efficient homes because they will not… …
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