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Cafe Doom  |  HELP!  |  General help  |  The temperature on Mars
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Author Topic: The temperature on Mars  (Read 3799 times)

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Offline Ed

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The temperature on Mars
« on: August 23, 2011, 06:25:05 PM »
I'm working on this story of mine that's set on Mars, and I'm wondering what the temperature would be in an unheated corridor that runs between biodomes on the surface. I'm guessing it would be somewhere around absolute zero, unless I can rely on a bit of solar gain, or something.

And if it is absolute zero, people wouldn't be able to survive it for more than a few seconds, would they? They'd freeze almost instantly without the protection of a space suit. Is that right, or not?
Planning is an unnatural process - it is much more fun to do something.  The nicest thing about not planning is that failure comes as a complete surprise, rather than being preceded by a period of worry and depression. [Sir John Harvey-Jones]

Offline desertwomble

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Re: The temperature on Mars
« Reply #1 on: August 23, 2011, 08:07:04 PM »
As I recall from university studies, the temperature on Mars, much like on Earth, varies greatly - minus a hundred and something at the poles in mid-winter, to plus twenty or so at the equator at mid-summer.

DW :cheesy:

By the way, I bet Gadaffi ends up in Zimbabwe!
« Last Edit: August 23, 2011, 08:11:49 PM by desertwomble »

Offline Pharosian

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Re: The temperature on Mars
« Reply #2 on: August 23, 2011, 09:11:48 PM »
From NASA (http://quest.nasa.gov/aero/planetary/mars.html):

Quote
The temperature on Mars may reach a high of about 70 degrees Fahrenheit (20 degrees Celsius) at noon, at the equator in the summer, or a low of about -225 degrees Fahrenheit (-153 degrees Celsius) at the poles. Obviously this is very inhospitable for humans, but it is also of some concern for the electronics and mechanical parts of a Mars airplane and its instrumentation. In the mid-latitudes, the average temperature would be about -50 degrees Celsius with a nighttime minimum of -60 degrees Celsius and a summer midday maximum of about 0 degrees Celsius.

So, depending on where your biodomes are located and the time of day, it might be downright pleasant in the corridor. Or at least survivable for more than a few minutes.

Offline Ed

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Re: The temperature on Mars
« Reply #3 on: August 24, 2011, 02:55:24 AM »
Thanks, you two :afro:

There's also that whole thing about swelling up like an inflated balloon when a person goes from a pressurised atmosphere into a vacuum, like in Total Recall. Are we sure that doesn't happen?
Planning is an unnatural process - it is much more fun to do something.  The nicest thing about not planning is that failure comes as a complete surprise, rather than being preceded by a period of worry and depression. [Sir John Harvey-Jones]

Offline delboy

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Re: The temperature on Mars
« Reply #4 on: August 24, 2011, 06:30:52 AM »
http://imagine.gsfc.nasa.gov/docs/ask_astro/answers/970603.html

Great 'last memory' of the astronaut who had this happen to him in training.

Derek
« Last Edit: August 24, 2011, 06:32:26 AM by delboy »
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Offline Ed

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Re: The temperature on Mars
« Reply #5 on: August 24, 2011, 07:41:04 AM »
Good link, Del -- thanks for that :afro: Slightly disappointing that people don't explode, though :/
Planning is an unnatural process - it is much more fun to do something.  The nicest thing about not planning is that failure comes as a complete surprise, rather than being preceded by a period of worry and depression. [Sir John Harvey-Jones]

Offline desertwomble

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Re: The temperature on Mars
« Reply #6 on: August 24, 2011, 07:47:31 AM »
Good link, Del -- thanks for that :afro: Slightly disappointing that people don't explode, though :/

Don't let the facts get in the way of a good story!

DW :cheesy:

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