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Pamela: This is actually one of those highly debated things. For a long time, a couple of decades, everyone was like "we need Jupiter, it protects us from incoming rocks, it captures comets" and when Shoemaker-Levy 9 came along and first got shredded and then eaten by Jupiter, it was like, "yay, there's the proof – Jupiter protected us!" Fraser: Thanks Jupiter! Pamela: There was some recent modeling done. In the models they asked the question what happens if there's no Jupiter and you have the same distribution of space rocks that we assume we started with? What happens if Jupiter's a little bit smaller (say, replace Jupiter with Saturn at the same location) ? And they ran the situations and saw how many rocks hit Earth. What was discovered was if you just yank Jupiter out, then some of the rocks that end up entering Earth-crossing orbits, don't. they happily stay out in the outer solar system and never come anywhere near the Earth. They are not a hazard at all. Put Jupiter in there, and Jupiter's gravitational pull grabs on to some of these failed comets, some of these asteroids, changes their orbits, and puts them on trajectories straight toward Earth – not a good thing. But then it usually catches them later and either flings them out of the solar system or eats them politely. Now, if instead of having Jupiter there you have a Saturn-sized planet there, Saturn has enough gravity to take those rocks and comets, fling them at the Earth… but not enough gravity to then fling them out of the solar system or eat them. Which means that if you replace Jupiter with Saturn, you'd actually do really bad things to the planet Earth. If you just got rid of Jupiter… it's probably a zero-sum game, because while yes, it protects us from some things, it also flings things at us.
Originally posted by boaby_phet
i cant believe people are reporting sky fireballs atm when its 90% going to be this debris..
Originally posted by lel1111
You're right. That is rather contradictory. So, IF that long white thing they keep showing in the video is debris from the collision, wouldn't it be scorched from the heat upon entering our atmosphere? It looked pretty white in color. Also, it seems if that object came hurtling from the atmosphere there would be some sort of disturbance in the dirt around the object - it "looks" like, from what I can see, that it was just lain there - not crashed. But who knows for sure?
Originally posted by sickofitall2012
I thought I saw, in a slow-mo close up, a long shaft like structure. I can't find the good footage I saw last night, damn't!! What the heck is going on here.
Originally posted by sickofitall2012
I know that meteors are common, but is it common for there it be so many at once, huh?
Originally posted by martinhuyton
That the collison was caused by the Iranian satellite also crossed my mind. I know it is relatively small but, a 60lb weight travelling at 18,000 miles per hour is gonna do a sh*t load of damage when it hits something.
In 2003, space debris expert Hugh Lewis and colleagues at the University of Southampton in the UK ran predictions on the debris field that would be created in a hypothetical Iridium satellite break-up owing to a collision with just 1 kilogram of space junk (Acta Astronautica, doi:10.1016/S0094-5765(02)00290-4).
Now, based on initial analysis of Cosmos 2251's orbital data, mass and velocity, he has estimated some of the dynamics involved in last week's much more energetic collision event.
To be completely obliterated, a spacecraft must suffer a direct hit with an energy of 40 joules for every gram of its mass.
In China's anti-satellite (ASAT) test, a defunct weather satellite called Fengyun-1C was destroyed by a missile that imparted an estimated 350 joules per gram of its mass. (The figure is an estimate because the missile's mass is not known for certain.)
But the Iridium and Cosmos satellites collided at 42,120 kilometres per hour, Lewis calculates, imparting 50,000 joules per gram of their mass.
Originally posted by systemic.aberration
It seems as though the Media has basically stopped all reporting on this.
Originally posted by systemic.aberration
Should there be a point of impact?
Originally posted by systemic.aberration
Why would MSM make such a big deal out of a meteor, and be unable to explain it?
Originally posted by systemic.aberration
Why would the Govt Agencies (even though I don't trust them anyway) be unable to identify it quickly?
Originally posted by systemic.aberration
And.. what the hell is the shaft in the field? lol
Originally posted by systemic.aberration
and the tapes to show that it is clearly something metallic, possibly mechanical, well... it causes me to raise eyebrows.