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 Post subject: Elon got me thinking...
PostPosted: Tue Feb 06, 2018 10:30 pm 
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If the atmospheric pressure on mars is 0.6% of the atmospheric pressure on earth, would a Martian dust storm be remotely as dangerous as depicted in the Martian?

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 Post subject: Re: Elon got me thinking...
PostPosted: Tue Feb 06, 2018 11:56 pm 
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No, it was already shown the storm was too weak to tip a rocket.

https://www.nasa.gov/feature/goddard/th ... ust-storms

https://www.space.com/30663-the-martian ... reeze.html

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 Post subject: Re: Elon got me thinking...
PostPosted: Wed Feb 07, 2018 12:30 pm 
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Cool, your first link answered my second, unasked, question.

I was going to ask if airplanes would even fly on Mars, considering atmospheric pressure is 0.6%.

With only that information, one could assume that wings would need to be like 94% bigger... But gravity is 37% of earth's, so maybe they'd only need to be like 35% bigger (or maybe efficient is a better word).

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 Post subject: Re: Elon got me thinking...
PostPosted: Wed Feb 07, 2018 4:00 pm 
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Just go a lot faster and I'm sure it will be fine :taunt:


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 Post subject: Re: Elon got me thinking...
PostPosted: Thu Feb 08, 2018 5:38 am 
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Yes, but with less atmospheric pressure, won't you need more thrust to push you forward, too?
You'll require less to maintain a speed, but more to achieve it... I think.

Unless, you start by thrusting against the ground, launching yourself up, then glide down at a faster speed than your drag would allow on Earth.

So, basically, I think reusable ballistic missiles would be more efficient than airplanes on mars.

But the most efficient form of transportation on mars will probably be solar rovers. Have you guys seen NASA's new set of wheels?

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 Post subject: Re: Elon got me thinking...
PostPosted: Sat Feb 10, 2018 10:14 pm 
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Interesting, but since you brought up a subject about outer space and aliens (aka Martians).....

Two space aliens landed on earth in a farmers field. The farmer and his wife went to investigate. The aliens told them they were here to learn about earth culture. The farmer invited them both inside where they spent hours talking. During one part of their conversation the male alien admitted sheepishly that they thought dogs and cats were the advanced species on Earth since people walk behind them cleaning up their waste. They all laughed but pretty soon everyone got tired.

The male alien said, "On my planet, when visiting, it is customary for us to exchange spouses for the night." After a bit of discussion, everyone agreed. The farmer's wife, upon seeing the male alien naked couldn't hide her disappointment. However, he told her pinch my nose 3 times. So she did and was amazed at the size he attained.

Neither had any sleep that night. Upon going downstairs in the morning the two couples said goodbye and the farmer and his wife went to compare notes. His wife told him it was like a fantasy. The farmer goes, "Yeah it was, but damned if that female alien didn't pinch my nose all night long!"

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 Post subject: Re: Elon got me thinking...
PostPosted: Sun Feb 11, 2018 1:09 pm 
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Classic

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