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Destination Tomorrow - DT9 - Project Gemini

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Subido el 28 de mayo de 2007 por EducaMadrid

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NASA Destination Tomorrow Segment exploring the history of the Gemini project that was instrumental in getting man to the moon.

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When discussing manned space missions, the two American programs that are the most talked 00:00:00
about are the Mercury and Apollo programs. 00:00:10
One program that does not get as much attention, but which was instrumental in getting man 00:00:13
to the moon, was Project Gemini. 00:00:17
The Gemini missions flew between the Mercury and Apollo programs and allowed astronauts 00:00:21
and planners to practice many of the procedures that would be important for future moon flights, 00:00:26
paving the way for man to walk on the moon. 00:00:31
Early in January of 1962, Project Gemini began. 00:00:35
Because of the large time frame between Project Mercury and the Apollo flights, it became 00:00:40
clear to NASA officials that more training in spaceflight was necessary to get men to 00:00:44
the moon and back safely. 00:00:48
Unlike the Mercury capsule, which could only hold one astronaut, the aptly named Gemini 00:00:51
capsule could hold two astronauts and could be maneuvered in space by the crew. 00:00:56
The ability to maneuver in space allowed astronauts to train for space rendezvous and docking. 00:01:01
Learning these procedures would be critical to successfully return from a lunar surface 00:01:07
and docking with the command module in lunar orbit. 00:01:11
Gemini also needed to provide useful information about how the human body and man-made equipment 00:01:15
would respond in the harsh environment of space. 00:01:20
Up to that time, no one knew exactly what would happen to astronauts after being exposed 00:01:23
to long-term microgravity. 00:01:29
The program would consist of 10 manned missions, all of which were to be completed in 12 months. 00:01:31
After two unmanned missions, the first manned mission, Gemini 3, was launched on March 23, 00:01:37
1965. 00:01:43
The flight was a complete success, proving how easily the astronauts could maneuver the 00:01:45
craft. 00:01:49
The flights that followed all saw success as well, including the first American spacewalk 00:01:51
on Gemini 4, the first docking with two vehicles in space by Gemini 8, and a long-duration 00:01:56
mission which lasted 14 days by Gemini 7. 00:02:03
With the final flight of Gemini 12, all of the major objectives were met as well as many 00:02:07
other mission objectives. 00:02:12
With all the critical theories tested and proven, it was time for Apollo to go for the 00:02:14
moon. 00:02:20
The 10 manned Gemini flights spanned 603 days and accumulated over 1,940 man-hours in space. 00:02:21
Of the 20 astronauts who trained for the Gemini flights, 15 of them went on to subsequently 00:02:28
fly on Apollo missions in the lunar program. 00:02:33
As the successes grew in Project Gemini, it became clear that man could, should and would 00:02:37
fly to the moon and back safely, making history in the process. 00:02:43
Because the crew consisted of two astronauts, the project was named Gemini for the third 00:02:49
constellation's twin stars, Castor and Pollux. 00:02:53
Coming up, we'll find out how NASA is helping to reduce aircraft noise. 00:02:57
But first, did you know that the Gemini 3 was the only Gemini spacecraft to have a nickname? 00:03:00
Because capsule commander Gus Grissom's previous spaceflight ended in the sinking of the Liberty 00:03:06
Bell 7 capsule in the Atlantic Ocean. 00:03:10
Grissom decided to name his capsule the Molly Brown, after the Broadway musical, The Unsinkable, 00:03:12
Molly Brown. 00:03:17
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Idioma/s:
en
Niveles educativos:
▼ Mostrar / ocultar niveles
      • Nivel Intermedio
Autor/es:
NASA LaRC Office of Education
Subido por:
EducaMadrid
Licencia:
Reconocimiento - No comercial - Sin obra derivada
Visualizaciones:
278
Fecha:
28 de mayo de 2007 - 17:04
Visibilidad:
Público
Enlace Relacionado:
NASAs center for distance learning
Duración:
03′ 20″
Relación de aspecto:
4:3 Hasta 2009 fue el estándar utilizado en la televisión PAL; muchas pantallas de ordenador y televisores usan este estándar, erróneamente llamado cuadrado, cuando en la realidad es rectangular o wide.
Resolución:
480x360 píxeles
Tamaño:
19.39 MBytes

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