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Jul - News - Something really big hit Jupiter New poll - New thread - New reply
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Hiryuu

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Posted on 07-21-09 10:32:20 AM Link | Quote
I have a feeling it would've taken out this planet.

Course this is a decade and a half after the Shoemaker-Levy comet hit it. This looks to be a fairly large impact, though, based on the shot.

Hopefully, that isn't a sign for us for whatever reason...

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Ctenophorae


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Posted on 07-21-09 12:36:56 PM Link | Quote
We're just really lucky that life on Earth has been around as long as it has. The odds are and have been against us, but here we are.

I bet as soon as world peace finally rears its head, something like that will hit us while the world's sleeping (or across the street at the Taqueria).

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Skreeny
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Posted on 07-21-09 07:24:06 PM Link | Quote
On the flip side of this, having a giant freaking planet like Jupiter only a few orbits out from us means that a lot of asteroids crash uselessly into the thing that's roughly 1300 times our size (by volume) and 300 times our mass.

Still rather interesting.
Ctenophorae


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Posted on 07-22-09 01:43:46 AM Link | Quote
It's also much more likely to happen to it since it's so close to the asteroid belt. Still, there's a lot of stuff out there that could do irreparable harm and I still say that we're lucky.

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Banned for being a dick on the board, in private messages, and then taking that dick-ness off the board and harassing members elsewhere for it. Time to go!

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Posted on 07-22-09 08:14:33 PM Link | Quote

Now, I know some of you might be worried about a meteor hitting our planet. So allow me to show you guys a very awesome video of what could happen if a meteor did hit our planet!

<object width="425" height="344"><embed src="http://www.youtube.com/v/LlF8APEkh-E&hl=en&fs=1&" type="application/x-shockwave-flash" allowscriptaccess="always" allowfullscreen="true" width="425" height="344"></embed></object>

You got done watching it? So what is the point of worrying about this? I think this shit is awesome!

I find space and stuff like this fascinating. Whatever hit Jupiter would definitely have had the same impact as it did on the video above. Count your lucky stars that we are here today living and breathing!

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BlackNemesis13
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Posted on 07-22-09 09:40:34 PM Link | Quote
December 21, 2012

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Hiryuu

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Posted on 07-22-09 09:53:40 PM Link | Quote
Originally posted by BlackNemesis13
December 21, 2012


Oh , doom mistress.

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Ctenophorae


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Posted on 07-22-09 11:28:21 PM Link | Quote
You know, considering the fact that Jupiter is made up of gas... and also if the asteroid comes this way if it passes through it... It's not very far fetched. In any case, life on Earth is (eventually) doomed so I want to at least go out in a bang if it happens in my lifetime!

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Darkdata
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Posted on 07-23-09 03:26:58 AM Link | Quote
Originally posted by Hiryuu
Originally posted by BlackNemesis13
December 21, 2012


Oh , doom mistress.


That and no way there was perfect timekeeping on that though the ages. If it were true ([trope]ThatCouldNeverHappen[/trope]) it would not happen perfectly. :p

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Hiryuu

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Posted on 07-23-09 03:39:44 AM Link | Quote
All it really amounts to is fun with numbers.

12/21/12

Hurrrrr...

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BlackNemesis13
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Posted on 07-23-09 03:47:55 AM Link | Quote

Originally posted by Darkdata
Originally posted by Hiryuu
Originally posted by BlackNemesis13
December 21, 2012


Oh , doom mistress.


That and no way there was perfect timekeeping on that though the ages. If it were true ([trope]ThatCouldNeverHappen[/trope]) it would not happen perfectly. :p

It's called a joke people . Besides, those of us who watched X-files well after it jumped the shark for the umpteenth time, know that the world will be destroyed on that date not by an asteroid, but by an invasion of aliens who first thrived on Earth from a previous asteroid impact. (Good God Chris Carter, why did your show have to suck so much ass in the end?!)

By the way, since when was it assumed that the Earth has endured 6 of those catostrophic asteroid impacts in its lifetime? I only recall one, and that one didn't destroy all life, it just caused a dramatic climate shift. Yes there have been 6 mass extinctions, but that's something totally different entirely, and humans are actually causing the 6th one as we speak.

BTW, I Doom Mistress! I almost want to change my name now Behold! I am BlackNemesis13, Mistress of DOOM! *maniacal laughter*

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Darkdata
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Posted on 07-23-09 03:51:50 AM Link | Quote
Originally posted by BlackNemesis13

BTW, I Doom Mistress! I almost want to change my name now Behold! I am BlackNemesis13, Mistress of DOOM! *maniacal laughter*


Also known as Sailor Jupiter Saturn.


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Skreeny
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Posted on 07-23-09 04:54:34 AM Link | Quote
Originally posted by Nelrith
You know, considering the fact that Jupiter is made up of gas... and also if the asteroid comes this way if it passes through it... It's not very far fetched.
What.

What.

Science time!

Escape velocity is the speed required to escape a planet's gravitational pull; on Jupiter, this is 59.5 kilometers per second.

Now, things entering an atmosphere produce a significant amount of heat; this is why anything we build intended to come back safely to the ground has heat shields (the black tiles on the space shuttle, that dome on the bottom of the apollo and soyuz capsules). Fortunately, we've shot stuff at Jupiter to see just how hot it'd get.

The Galileo probe entered Jupiter's atmosphere at 47.4 km/s. The highest temperature it recorded was 16000 kelvin. For comparison: the sun's photosphere (the light-emitting section; usually considered the surface, if I'm not mistaken) is only 4800 kelvin.

Of course, a bit after this part, the whole thing was completely vaporized. The inside of Jupiter is fucking hot. Anything fast enough to escape will burn up, anything not fast enough will fall in, and still burn up.

tl;dr Jupiter is a death trap for anything close enough to get dragged in.

Originally posted by Nelrith
In any case, life on Earth is (eventually) doomed so I want to at least go out in a bang if it happens in my lifetime!


Don't worry. If anything was coming our way, there's a very good chance we wouldn't know about it until it hit us; 2009 DD45 was discovered about 3 days before it passed by about 72,000 km away from us. The moon orbits between 360,000 km and 406,000 km away.
Ctenophorae


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Posted on 07-24-09 07:21:20 AM Link | Quote
Shows you how much I know about Jupiter!

My field of study is Theoretical Physics, not well-known-to-be-true physics!

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