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Living In Space

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Subido el 28 de mayo de 2007 por EducaMadrid

323 visualizaciones

NASA Why? Files segment exploring the history of humans living in space and the steps astronauts have taken to adapt to the environment of space.

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Here's Dr. Textbook with an exciting look into the history of living in space. 00:00:00
Hello. 00:00:07
Well, today we're going to learn about one of man's greatest challenges, living in space. 00:00:08
For centuries, people have adjusted to different living conditions, but none so drastic as 00:00:18
going from the surface of our planet into outer space. 00:00:24
Leaving the pull of Earth's gravitational force requires training and discipline. 00:00:29
NASA astronauts use sophisticated simulators and machines to prepare themselves to leave Earth's gravity. 00:00:33
You experience the same feeling while riding on a roller coaster or even while spinning on a merry-go-round. 00:00:39
Once you've entered space, however, everything changes. 00:00:47
You've left Earth's gravitational force behind you, and you've now entered the microgravity zone. 00:00:51
In a microgravity environment, you must be able to work right side up or upside down. 00:00:58
Doing this on Earth can be slightly uncomfortable, but in space there is no up or down. 00:01:04
It feels the same no matter which way you hang. 00:01:09
Also in microgravity, simple tasks like eating are very challenging. 00:01:14
In the early days of spaceflight, astronauts relied on orange-powdered drink mix and freeze-dried food. 00:01:21
Now they enjoy a variety of full-course meals. 00:01:31
Of course, life in space does have its benefits. 00:01:36
On Earth, these weights are difficult to lift, but if I let go of them in space, they simply stay put. 00:01:40
Not a very good idea! 00:01:48
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Idioma/s:
en
Niveles educativos:
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      • Nivel Intermedio
Autor/es:
NASA LaRC Office of Education
Subido por:
EducaMadrid
Licencia:
Reconocimiento - No comercial - Sin obra derivada
Visualizaciones:
323
Fecha:
28 de mayo de 2007 - 15:33
Visibilidad:
Público
Enlace Relacionado:
NASAs center for distance learning
Duración:
02′ 02″
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:
12.31 MBytes

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