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The Red Planet

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Subido el 28 de mayo de 2007 por EducaMadrid

259 visualizaciones

NASA Why? Files segment exploring planet Mars, or the red planet, and explaining the environment and atmosphere of Mars.

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Hi. Are you Mr. Levine? 00:00:00
Yes, I am. And you must be the treehouse detectives. 00:00:02
I understand you want to learn more about planet Mars. 00:00:05
That's right. We're designing a habitat that will sustain life on Mars. 00:00:08
So we figured we needed to learn more about the red planet. 00:00:12
Well, you've come to the right place. 00:00:15
Mars is a very inhospitable planet, and you must be prepared. 00:00:17
What's it like on Mars? 00:00:21
Let's take a look. 00:00:23
Mars is a very different planet than the Earth. 00:00:25
No trees, no flowers, no animals. 00:00:28
Mars is a very desolate planet. 00:00:32
Why do they call it the red planet? 00:00:35
The surface of Mars contains large amounts of rusty iron that give Mars its reddish color. 00:00:37
In addition, strong winds blow surface material up in the atmosphere, giving the atmosphere a reddish-pink color. 00:00:43
Does Mars have land features like Earth? 00:00:50
Yes, Mars has lowlands, mountainous highlands. 00:00:53
Mars has the largest volcano in the solar system, and Mars has the longest canyon in the solar system. 00:00:57
I've seen the Grand Canyon here on Earth, and it was pretty big. 00:01:05
Oh, it's far bigger than the Grand Canyon. 00:01:09
Marineris Valley on Mars is about 3,000 miles long, about the same distance as the trip from New York to Los Angeles. 00:01:12
What kind of atmosphere does Mars have? 00:01:20
The atmosphere of Mars is very thin, it's cold, and it's dry. 00:01:23
The atmosphere of Mars is only about 1,200th the thickness of the Earth's atmosphere. 00:01:27
Is there oxygen like here on Earth? 00:01:32
No. In fact, the atmosphere of Mars is 95% carbon dioxide, 3% nitrogen, and 2% argon. 00:01:34
We'll definitely need to bring our own oxygen. 00:01:43
How do we know so much about Mars? 00:01:46
Over the last 30 years, NASA has sent a number of spacecraft to Mars to study the planet. 00:01:48
Here at the NASA Langley Research Center, we're looking into the possibility of sending the first robotic airplane to Mars. 00:01:53
That would be so cool. 00:02:00
Would you like to see what our plane will look like flying through the atmosphere of Mars? 00:02:02
That would be great. 00:02:06
Check this out. 00:02:08
Wow. 00:02:11
Thanks, Dr. Levine. 00:02:16
You've given us a lot to consider about our habit. 00:02:17
You're welcome. Anytime. 00:02:20
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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:
259
Fecha:
28 de mayo de 2007 - 15:33
Visibilidad:
Público
Enlace Relacionado:
NASAs center for distance learning
Duración:
02′ 24″
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:
14.49 MBytes

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