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Jupiter Takes A Meteor Hit  
User currently offlineZANL188 From United States of America, joined Oct 2006, 3522 posts, RR: 0
Posted (2 years 6 days 17 hours ago) and read 4445 times:
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Jupiter took a meteor hit last night. If you consider the size of the flash and Earths relative size to Jupiter... Well it's a good thing it hit Jupiter and not Earth...

http://youtu.be/zAWk72ZTPuU


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17 replies: All unread, jump to last
 
User currently offlineHaveBlue From United States of America, joined Jan 2004, 2108 posts, RR: 1
Reply 1, posted (2 years 6 days 15 hours ago) and read 4385 times:

Extremely cool, thanks for sharing.

On a seperate note I read a long time ago that if Jupiter was 8 times larger, it would then have the prerequisite heat/mass to become a star. Been forever so not sure if that's valid or not.



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User currently offlinecomorin From United States of America, joined May 2005, 4896 posts, RR: 16
Reply 2, posted (2 years 6 days 10 hours ago) and read 4323 times:

I wonder what size of meteor would cause such a flash - pretty large, I presume...

User currently offlineNZ107 From New Zealand, joined Jul 2005, 6430 posts, RR: 38
Reply 3, posted (2 years 6 days 3 hours ago) and read 4234 times:

Also what does the flash mean - is there ground to the gas giant? Or the fact that the meteor would have been super hot and combusted with gases in the atmosphere?


It's all about the destination AND the journey.
User currently offlineKC135TopBoom From United States of America, joined Jan 2005, 12146 posts, RR: 51
Reply 4, posted (2 years 6 days ago) and read 4172 times:

The flash does not mean an impact with something solid. As the astroid went deeper into the Jupiter atmoshere, it would have come apart very violently and exploded due to the rapidly increasing atmosheric pressure. My guess is the flash you see actualy happened several hundred miles inside the atmoshere. This would have been a medum to large sized astroid, but there is no telling what it was made of or how solid it was.

Quoting HaveBlue (Reply 1):
On a seperate note I read a long time ago that if Jupiter was 8 times larger, it would then have the prerequisite heat/mass to become a star. Been forever so not sure if that's valid or not.

That was the theory several years ago. But now almost no one believes that anymore. With the discovery of some 1500 other planets outside our own solar system it is now believed the gas giant planets cannot become a star based on size alone. Some of the newly discovered planets are several times the size of Jupiter, and the largest one is some 25 X bigger.


User currently offlinecomorin From United States of America, joined May 2005, 4896 posts, RR: 16
Reply 5, posted (2 years 5 days 23 hours ago) and read 4140 times:

We should not completely rule out the infinitesimal probability of an alien ship CFIT.

User currently offlineLMP737 From , joined Dec 1969, posts, RR:
Reply 6, posted (2 years 5 days 22 hours ago) and read 4125 times:

We all should be thankfull for having Jupiter in our solar system. With it's gravitational pull it attracts meteors and comets that otherwise might head towards us. If Shoemaker-Levy 9 had hit Earth instead of Jupiter it would have been game over for us.

User currently offlineconnies4ever From Canada, joined Feb 2006, 4066 posts, RR: 13
Reply 7, posted (2 years 5 days 15 hours ago) and read 4018 times:

Quoting HaveBlue (Reply 1):
On a seperate note I read a long time ago that if Jupiter was 8 times larger, it would then have the prerequisite heat/mass to become a star. Been forever so not sure if that's valid or not.

That sounds about right.

Quoting NZ107 (Reply 3):
Also what does the flash mean - is there ground to the gas giant? Or the fact that the meteor would have been super hot and combusted with gases in the atmosphere?

IIRC the current working theory is that the 'surface' is actually metallic hydrogen, since the pressure down there would be, well, astronomical.



Nostalgia isn't what it used to be.
User currently offlinesturmovik From India, joined May 2007, 509 posts, RR: 0
Reply 8, posted (2 years 5 days ago) and read 3954 times:

Quoting comorin (Reply 5):
We should not completely rule out the infinitesimal probability of an alien ship CFIT.

Haha that would be funny.. they mastered the technology to get them to Jupiter from lightyears away, but haven't yet eliminated CFIT accidents. Wonder what their NTSB would be like..  



'What's it doing now?'
User currently offlinecomorin From United States of America, joined May 2005, 4896 posts, RR: 16
Reply 9, posted (2 years 5 days ago) and read 3954 times:

Quoting connies4ever (Reply 7):
IIRC the current working theory is that the 'surface' is actually metallic hydrogen, since the pressure down there would be, well, astronomical.

Would that be in liquid or solid phase?

thanks.


User currently offlinevzlet From United States of America, joined Mar 2004, 835 posts, RR: 0
Reply 10, posted (2 years 5 days ago) and read 3954 times:

Quoting KC135TopBoom (Reply 4):
That was the theory several years ago.

In "2010", to be exact!  



"That's so stupid! If they're so secret, why are they out where everyone can see them?" - my kid
User currently offlinecomorin From United States of America, joined May 2005, 4896 posts, RR: 16
Reply 11, posted (2 years 5 days ago) and read 3948 times:

Quoting sturmovik (Reply 8):
Wonder what their NTSB would be like..

"MIB" would be a good place to start  


User currently offlineKC135TopBoom From United States of America, joined Jan 2005, 12146 posts, RR: 51
Reply 12, posted (2 years 4 days 21 hours ago) and read 3900 times:

Quoting comorin (Reply 5):
We should not completely rule out the infinitesimal probability of an alien ship CFIT.
Quoting sturmovik (Reply 8):
they mastered the technology to get them to Jupiter from lightyears away, but haven't yet eliminated CFIT accidents. Wonder what their NTSB would be like..

We are still waiting for their 'NTSB' to show up for the Roswell CFIT.


User currently onlineStitch From United States of America, joined Jul 2005, 30986 posts, RR: 86
Reply 13, posted (2 years 4 days 20 hours ago) and read 3883 times:
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Quoting comorin (Reply 9):
Would that be in liquid or solid phase?

Liquid.


User currently offlineconnies4ever From Canada, joined Feb 2006, 4066 posts, RR: 13
Reply 14, posted (2 years 4 days 19 hours ago) and read 3863 times:

Quoting Stitch (Reply 13):
Quoting comorin (Reply 9):
Would that be in liquid or solid phase?

Liquid.

Solid, surrounded by a boundary layer of hydrogen slush.

http://csep10.phys.utk.edu/astr161/lect/jupiter/interior.html



Nostalgia isn't what it used to be.
User currently offlinecomorin From United States of America, joined May 2005, 4896 posts, RR: 16
Reply 15, posted (2 years 4 days 10 hours ago) and read 3774 times:

Quoting Stitch (Reply 13):
Quoting connies4ever (Reply 14):

It just struck me looking at Stitch's link that the gravitational force at the center = 0! Computationally, is there a surface radius at which G is a maximum?

Thanks.


User currently onlinefrancoflier From France, joined Oct 2001, 3761 posts, RR: 11
Reply 16, posted (2 years 3 days 23 hours ago) and read 3677 times:

Quoting ZANL188 (Thread starter):
Jupiter took a meteor hit last night.

It brought it on itself. That's what happens when you get so massive...

Quoting LMP737 (Reply 6):
We all should be thankfull for having Jupiter in our solar system.

Well, there's two sides to that story...
Jupiter is also largely responsible for not allowing planets to form between itself and Mars, due to its gravitational wake which prevented the original nebulae to coalesce in this area. That resulted in the asteroid belt, and when rocks get shaken up from their orbit (sometimes also because of Jupiter's gravity), there's nothing but Mars to take a hit for us.

Gas giants are fascinating.



Looks like I picked the wrong week to quit posting...
User currently offlinecomorin From United States of America, joined May 2005, 4896 posts, RR: 16
Reply 17, posted (2 years 3 days 23 hours ago) and read 3671 times:

Quoting comorin (Reply 15):
Quoting Stitch (Reply 13):
Quoting connies4ever (Reply 14):

It just struck me looking at Stitch's link that the gravitational force at the center = 0! Computationally, is there a surface radius at which G is a maximum?

Thanks.

Please ignore, I am confusing pressure with gravity.   


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