See “WallE”Animal wrote: ↑Mon Feb 22, 2021 11:10 pmThe government should contract with Carnival to design the first Mars ship to book curious travelers. I bet they could get the price point down to around $1200 per adult with an interior room and no view.Reservoir Dog wrote: ↑Mon Feb 22, 2021 11:03 pmThe Mars tourism industry may never recover.
Mars Rover landing 3:55pm Eastern
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Re: Mars Rover landing 3:55pm Eastern
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Re: Mars Rover landing 3:55pm Eastern
Just don't let Howards date drive it.
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Re: Mars Rover landing 3:55pm Eastern
The first audio recording of a sound from another planet
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Re: Mars Rover landing 3:55pm Eastern
that might have been a bit anti-climactic. no peegasms were had during the listening to that.
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Re: Mars Rover landing 3:55pm Eastern
That’s pretty cool. I read that the daytime temperature on the equator on Mars is about 70 so you could walk around in shorts and a t shirt. Until night, then you would freeze to death.
wut?
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Re: Mars Rover landing 3:55pm Eastern
Sounds like Texas
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Re: Mars Rover landing 3:55pm Eastern
I find this so incredible. I've listened over and over. *possible stupid question* coming I mean, space is a vacuum, so how is there sound? I'm amazed that we can even record sound on Mars. Is this the first time ever hearing space?CentralTexasCrude wrote: ↑Tue Feb 23, 2021 4:11 amThe first audio recording of a sound from another planet
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Re: Mars Rover landing 3:55pm Eastern
disco.moon wrote: ↑Tue Feb 23, 2021 6:53 pmI find this so incredible. I've listened over and over. *possible stupid question* coming I mean, space is a vacuum, so how is there sound? I'm amazed that we can even record sound on Mars. Is this the first time ever hearing space?CentralTexasCrude wrote: ↑Tue Feb 23, 2021 4:11 amThe first audio recording of a sound from another planet
Mars has a thin atmosphere so you still can hear sound. It would probably be much fainter and higher pitch than you would hear e on Earth
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Re: Mars Rover landing 3:55pm Eastern
Mars has a very thin atmosphere, mostly carbon dioxide. After the core of Mars cooled, it lost its magnetic field and lighter gasses were either stripped or floated away. Being mostly CO2, sounds will not sound the same as on earth. The atmosphere being less dense means sound travels slower, around 500 mph, and it does not carry higher pitched noises very well, so all sounds would "sound" lower.disco.moon wrote: ↑Tue Feb 23, 2021 6:53 pm
I find this so incredible. I've listened over and over. *possible stupid question* coming I mean, space is a vacuum, so how is there sound? I'm amazed that we can even record sound on Mars. Is this the first time ever hearing space?
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Re: Mars Rover landing 3:55pm Eastern
Someone noticed the rover has a family of rover stickers -


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Re: Mars Rover landing 3:55pm Eastern
Thankswoohooguy wrote: ↑Tue Feb 23, 2021 7:10 pmMars has a very thin atmosphere, mostly carbon dioxide. After the core of Mars cooled, it lost its magnetic field and lighter gasses were either stripped or floated away. Being mostly CO2, sounds will not sound the same as on earth. The atmosphere being less dense means sound travels slower, around 500 mph, and it does not carry higher pitched noises very well, so all sounds would "sound" lower.disco.moon wrote: ↑Tue Feb 23, 2021 6:53 pm
I find this so incredible. I've listened over and over. *possible stupid question* coming I mean, space is a vacuum, so how is there sound? I'm amazed that we can even record sound on Mars. Is this the first time ever hearing space?

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Re: Mars Rover landing 3:55pm Eastern
NAUGHTY 'NAUTS Sex robots ‘will colonise MARS’ says love-bot tester who spent $200,000 on droids
The future of the human race could depend on bonking bots...
https://www.thesun.co.uk/tech/7458402/s ... l-harmony/
The future of the human race could depend on bonking bots...
https://www.thesun.co.uk/tech/7458402/s ... l-harmony/
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Re: Mars Rover landing 3:55pm Eastern
When I read this stuff, I think about technical divers who use helium with their oxygen when deep diving (actually called Trimix-though the stuff that has no nitrogen is apparently called Heliox). They sound like Alvin and the Chipmunks when talking to topside.disco.moon wrote: ↑Tue Feb 23, 2021 7:17 pmThankswoohooguy wrote: ↑Tue Feb 23, 2021 7:10 pmMars has a very thin atmosphere, mostly carbon dioxide. After the core of Mars cooled, it lost its magnetic field and lighter gasses were either stripped or floated away. Being mostly CO2, sounds will not sound the same as on earth. The atmosphere being less dense means sound travels slower, around 500 mph, and it does not carry higher pitched noises very well, so all sounds would "sound" lower.disco.moon wrote: ↑Tue Feb 23, 2021 6:53 pm
I find this so incredible. I've listened over and over. *possible stupid question* coming I mean, space is a vacuum, so how is there sound? I'm amazed that we can even record sound on Mars. Is this the first time ever hearing space?it's really fascinating.

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Re: Mars Rover landing 3:55pm Eastern
What if you shot a bullet on Mars. Say an AR-15. On earth you chornograph the bullet at 2700 fps. Would that same bullet travel slower on Mars?woohooguy wrote: ↑Tue Feb 23, 2021 7:10 pmMars has a very thin atmosphere, mostly carbon dioxide. After the core of Mars cooled, it lost its magnetic field and lighter gasses were either stripped or floated away. Being mostly CO2, sounds will not sound the same as on earth. The atmosphere being less dense means sound travels slower, around 500 mph, and it does not carry higher pitched noises very well, so all sounds would "sound" lower.disco.moon wrote: ↑Tue Feb 23, 2021 6:53 pm
I find this so incredible. I've listened over and over. *possible stupid question* coming I mean, space is a vacuum, so how is there sound? I'm amazed that we can even record sound on Mars. Is this the first time ever hearing space?
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Re: Mars Rover landing 3:55pm Eastern
You'd think it might travel faster. It sure as hell could travel farther, since there's less air resistance (not to mention the lower gravity too).Animal wrote: ↑Tue Feb 23, 2021 8:38 pmWhat if you shot a bullet on Mars. Say an AR-15. On earth you chornograph the bullet at 2700 fps. Would that same bullet travel slower on Mars?woohooguy wrote: ↑Tue Feb 23, 2021 7:10 pmMars has a very thin atmosphere, mostly carbon dioxide. After the core of Mars cooled, it lost its magnetic field and lighter gasses were either stripped or floated away. Being mostly CO2, sounds will not sound the same as on earth. The atmosphere being less dense means sound travels slower, around 500 mph, and it does not carry higher pitched noises very well, so all sounds would "sound" lower.disco.moon wrote: ↑Tue Feb 23, 2021 6:53 pm
I find this so incredible. I've listened over and over. *possible stupid question* coming I mean, space is a vacuum, so how is there sound? I'm amazed that we can even record sound on Mars. Is this the first time ever hearing space?
P.S. Searching, and the gravity seems to be more important (62% less), and mostly on distance of travel
Last edited by FSchmertz on Tue Feb 23, 2021 8:49 pm, edited 1 time in total.
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Re: Mars Rover landing 3:55pm Eastern
Less atmosphere for resistance less gravity to pull it down to the surface so it would go faster and farther. You would also be able to jump farther as in the documentary John Carter of Mars
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Re: Mars Rover landing 3:55pm Eastern
So, why doesn't sound travel faster on Mars?
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Re: Mars Rover landing 3:55pm Eastern
Sound is a mechanical wave, which means that it needs substance to travel through, such as air or water.
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Re: Mars Rover landing 3:55pm Eastern
These have also been videotaped on Mars
[media]https://images.twnmm.com/c55i45ef3o2a/1 ... ch-SSI.jpg[/media]
Dust Devils

[media]https://images.twnmm.com/c55i45ef3o2a/1 ... ch-SSI.jpg[/media]
Dust Devils
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Re: Mars Rover landing 3:55pm Eastern
My understanding is that temperature has a lot to do with the speed of sound waves...... so it's pretty cold on Mars... hence the speed of sound would be a little slower. I'm sure woohoo guy will come in and set it straight
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Re: Mars Rover landing 3:55pm Eastern
The darker lines are dust devil tracks


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Re: Mars Rover landing 3:55pm Eastern
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Re: Mars Rover landing 3:55pm Eastern
Well, he already said that the atmosphere is less dense, which is why sound travels slower. So the "thicker" the atmosphere the faster sound travels. Kind of the opposite of what you would think.Stapes wrote: ↑Tue Feb 23, 2021 9:02 pmMy understanding is that temperature has a lot to do with the speed of sound waves...... so it's pretty cold on Mars... hence the speed of sound would be a little slower. I'm sure woohoo guy will come in and set it straight