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[Pravada] Comet could collide with Mars in 2014 with the force of 20 billion megatons of TNT - Page 7

post #61 of 216
Quote:
Originally Posted by Mad Pistol View Post

It really makes you appreciate life here on Earth. If this is true, we can forget teraforming Mars any time soon.

Or not. A comet is largely made of ice, which means massive amounts of steam, therefore water, would be released on Mars. Possibly carrying forms of life biggrin.gif
   
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post #62 of 216
The world population is the total number of living humans on Earth. As of today, it is estimated to number 7.068 billion by the United States Census Bureau (USCB).
The USCB estimates that the world population exceeded 7 billion on March 12, 2012.[2] According to a separate estimate by the United Nations Population Fund, it reached this milestone on October 31,

The world population has experienced continuous growth since the end of the Great Famine and the Black Death in 1350, when it stood at around 370 million

The highest rates of growth – global population increases above 1.8% per year – were seen briefly during the 1950s, and for a longer period during the 1960s and 1970s. The growth rate peaked at 2.2% in 1963, and had declined to 1.1% by 2011. Total annual births were highest in the late 1980s at about 138 million and are now expected to remain essentially constant at their 2011 level of 134 million, while deaths number 56 million per year, and are expected to increase to 80 million per year by 2040.[8]

Current projections show a continued increase in population in the near future (but a steady decline in the population growth rate), with the global population expected to reach between 7.5 and 10.5 billion by 2050.

Various longer-term estimates predict further growth, stagnation, or even overall decline in the global population by 2150. Some analysts have questioned the sustainability of further world population growth, citing the growing pressures on the environment, global food supplies, and energy resources.

I always said - If the world could stop having births once every so many years it would humanity, but of course it will not happen!

British Drama channel 4oD - if you cant get it watch Utopia, brilliant! thumb.gif
post #63 of 216
nice... now if earth intercepted that we'd all be space dust.
post #64 of 216
Quote:
Originally Posted by hollowtek View Post

nice... now if earth intercepted that we'd all be space dust.

Back to our roots then.
post #65 of 216
Quote:
Originally Posted by ILoveHighDPI View Post

I would love it if an explosion like that happened on Mars. 1. I love explosions. 2. the crater would make digging to certain depths unnecessary. 3. The surface is kind of boring right now, a giant crater would really spice things up.
From the articles, It sounds like there won't be a planet left to make a crater.
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post #66 of 216
If this thing really does hit, I'd imagine it would give us fantastic studies into large-scale collisions on a planet's surface, such as we have never seen before. This could be a really good thing, in all honesty.
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post #67 of 216
hit mars ? not earth ? thumbsdownsmileyanim.gif
    
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post #68 of 216
20 billion megatons eh?

This is OBVIOUSLY a direct result of man-made global warming.


post #69 of 216
As long as it doesn't hit mars and then ricochet into our path I'm okay with it.

That's one enormous explosion though.
    
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post #70 of 216
Quote:
Originally Posted by Mad Pistol View Post

It really makes you appreciate life here on Earth. If this is true, we can forget teraforming Mars any time soon.

This impact, should it occur, would not delay terraforming, or cause significant long-term issues with Mars.

We also won't have the ability to really begin terraforming Mars anytime soon, with or without it.
Quote:
Originally Posted by TheGovernment View Post

I'd assume if space had air, we'd likely feel that bang on earth! I wonder if there will be fragments of Mars that will get flung our way? With something that big, I'd imagine so.

Possible, but they won't be big enough fragments to worry about, and the odds of any given piece of ejecta heading toward earth are quite slim.
Quote:
Originally Posted by mtbiker033 View Post

Wouldn't this be an opportunity to go and try to deflect this thing from hitting Mars to gain experience in case we needed to protect Earth from one? I'm also thinking something hitting Mars could affect the rest of the solar system.

No and no.

We don't want to deflect it, and even if we did, we do not have time. It's better to observe it.

An impact of this size on Mars won't do anything to the rest of the solar system, or Earth, except maybe give someone some tiny martian meteorites to dig up well into the future.
Quote:
Originally Posted by ZealotKi11er View Post

You read my mind. The problem is it take so long to go there. Almost 1 year. Most likely a 1 way trip if they fail.

No plausible mission to deflect such an object would ever be manned.
Quote:
Originally Posted by S3ason View Post

That and it takes several years to build a ship to space. Much more for one that can blow the crap out of a comet.

Almost no plausible mission to deflect such an object would ever involve trying to "blow the crap" out of it.
Quote:
Originally Posted by Oedipus View Post

Aaaaand we don't have the technology figured out to make it happen. I guess if the time comes we could just build a giant garbage ball and strap it to a rocket, then fire it blindly into space.

We have sent probes past comets and landed on an asteroid. We have the technology to intercept and deflect such object, if given forewarning and time to do so.

However, we have neither the time, nor anything close to a compelling reason, to want to move this object.
Quote:
Originally Posted by Twinnuke View Post

I wonder if you would be able to look at the explosion through a telescopic device.

Have you never heard of Shoemaker–Levy 9?
Quote:
Originally Posted by RagingCain View Post

Actually, it might start Terra forming on its own. Comets equates to massive amounts of ice. The following impact will grossly expand greenhouse gas + carbon dioxide and primordial soup, could potentially make it hospitable to plants if we ever launched some over there.

It's probably too small an impact to do anything that significant, and because there isn't much of an atmosphere currently, much dibris tossed up will settle much more rapidly than they would on Earth. Some will persist longer for the same reason, and lower gravity, but they won't kick start terraforming.
Quote:
Originally Posted by daman246 View Post

if earth is hit by something of that caliber, Earth probably wont survive

Earth has been hit by similar objects.
Quote:
Originally Posted by Captain1337 View Post

Sad that the billions invested in these robots will just go down the toilet, but whatever. I really hope it hits mars and not miss it because there is a very small but possible chance that we are next.

This chance exists without Mars being hit, and would actually be ever so slightly higher if Mars didn't removing one NEO.
Quote:
Originally Posted by Raven.7 View Post

If Mars gets wrecked, humanity has no where to go once they finish destroying earth.

This impact couldn't "wreck" Mars.
Quote:
Originally Posted by thestache View Post

As long as it doesn't hit mars and then ricochet into our path I'm okay with it.

This would be like spitting an ice chip at a passing train and worrying that it would ricochet into your car parked 12 blocks away.
Quote:
Originally Posted by aweir View Post

Mars could have another moon after that, or a ring.

It's not that big.
Quote:
Originally Posted by SpykeZ View Post

From a member on another forum

Searching around a bit, it seems it all sprung up from a JPL orbit-thingy-widget that showed the comet and Mars on top of each other. But that program is not precise enough and by current estimates the closest approach will be more than 2,000,000 kms away from Mars. Impact is still not ruled out completely, as they are still observing the trajectory (70~ days so far, which is kinda short for such a far away and relatively small thing), but don't get your hopes up.

It's far less likely to impact at this point than not.

People still like discussing the hypothetical.
Edited by Blameless - 2/26/13 at 6:07am
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Overclock.net › Forums › Industry News › Technology and Science News › [Pravada] Comet could collide with Mars in 2014 with the force of 20 billion megatons of TNT