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Jupiter Takes A Meteor Hit

ZANL188 From United States of America, joined Oct 2006, 3250 posts, RR: 0
Posted (8 months 2 weeks 2 days 5 hours ago) and read 3899 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

HaveBlue From United States of America, joined Jan 2004, 2069 posts, RR: 1
Reply 1, posted (8 months 2 weeks 2 days 2 hours ago) and read 3839 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.

Here Here for Severe Clear!

comorin From United States of America, joined May 2005, 4677 posts, RR: 17
Reply 2, posted (8 months 2 weeks 1 day 21 hours ago) and read 3777 times:

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

NZ107 From New Zealand, joined Jul 2005, 5672 posts, RR: 40
Reply 3, posted (8 months 2 weeks 1 day 14 hours ago) and read 3688 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.

KC135TopBoom From United States of America, joined Jan 2005, 11715 posts, RR: 52
Reply 4, posted (8 months 2 weeks 1 day 12 hours ago) and read 3626 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.

comorin From United States of America, joined May 2005, 4677 posts, RR: 17
Reply 5, posted (8 months 2 weeks 1 day 10 hours ago) and read 3594 times:

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

LMP737 From , joined Dec 1969, posts, RR:
Reply 6, posted (8 months 2 weeks 1 day 9 hours ago) and read 3579 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.

connies4ever From Canada, joined Feb 2006, 3857 posts, RR: 13
Reply 7, posted (8 months 2 weeks 1 day 3 hours ago) and read 3472 times:

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.

sturmovik From India, joined May 2007, 264 posts, RR: 0
Reply 8, posted (8 months 2 weeks 12 hours ago) and read 3408 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?'

comorin From United States of America, joined May 2005, 4677 posts, RR: 17
Reply 9, posted (8 months 2 weeks 12 hours ago) and read 3408 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.

vzlet From United States of America, joined Mar 2004, 820 posts, RR: 0
Reply 10, posted (8 months 2 weeks 12 hours ago) and read 3408 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

comorin From United States of America, joined May 2005, 4677 posts, RR: 17
Reply 11, posted (8 months 2 weeks 11 hours ago) and read 3402 times:

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

"MIB" would be a good place to start

KC135TopBoom From United States of America, joined Jan 2005, 11715 posts, RR: 52
Reply 12, posted (8 months 2 weeks 8 hours ago) and read 3354 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.

Stitch From United States of America, joined Jul 2005, 26728 posts, RR: 83
Reply 13, posted (8 months 2 weeks 7 hours ago) and read 3337 times:

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

Liquid.

connies4ever From Canada, joined Feb 2006, 3857 posts, RR: 13
Reply 14, posted (8 months 2 weeks 6 hours ago) and read 3317 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.

comorin From United States of America, joined May 2005, 4677 posts, RR: 17
Reply 15, posted (8 months 1 week 6 days 22 hours ago) and read 3228 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.

francoflier From France, joined Oct 2001, 3196 posts, RR: 10
Reply 16, posted (8 months 1 week 6 days 10 hours ago) and read 3131 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...

comorin From United States of America, joined May 2005, 4677 posts, RR: 17
Reply 17, posted (8 months 1 week 6 days 10 hours ago) and read 3125 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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