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where were you when you found out all life on earth was going

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where were you when you found out all life on earth was going to end?

meet asteroid bennu. we're going to cross paths with this bad boy in roughly 120years.

something tells me all the nukes in the world wont be enough to deter or destroy it...

so what tech will save us from this natural disaster?
>>
>>55888630
>120years
fug i was hoping for tomorrow
>>
>>55888630
>safely flew past Earth on Oct. 31, at 10:00 a.m. PDT (1 p.m. EDT) at about 1.3 lunar distances
supposed to come between the earth and the moon next time.
>>55888647
ikr? why can't this cunt move faster i hate this gay earth and people are fucking awfull.
>>
>>55888666
Your spelling is awful, too.
>>
>>55888630
>so what tech will save us from this natural disaster?
gentoo

>implying i want to be saved
>>
>>55888692
Even more reason for voluntary extinction
>>
>>55888692
>>55888710
lol obligatory
>>
>>55888630
>there's no tech which can possibly save us
okay here's a better question, how can we propel this fuck to smash into us sooner rather than later?
>>
>>55888630
why wouldnt a nuke even one be able to alter the course in a void without friction?
>>
>>55888630
nowhere
http://www.space.com/33616-asteroid-bennu-will-not-destroy-earth.html
>>
>>55889200
>http://www.space.com/33616-asteroid-bennu-will-not-destroy-earth.html
I find it funny how people use the term "destroy the Earth" when what they really mean is "wipe out human population".

It's not like we're that important to the Earth's existence. Get your heads out of your asses.
>>
>>55889051
Nucular bombs require atmospheric pressure to be effective numb nuts.
>>
>>55889275
>Bennu is officially classified as a potentially dangerous asteroid. In fact, there's an 0.037 percent (or 1-in-2,700) chance that it will strike Earth in the last quarter of the 22nd century, NASA scientists have calculated.
>>
>Given a decade or so worth of lead time, researchers say, an incoming asteroid could potentially be nudged off course using fly-along "gravity tractor" probes and/or "kinetic impactors."
Oh wow, it's fucking nothing.
>>
>>55889301
Are you completely retarded? Do rockets not work in space?
>>
>>55888630
http://www.space.com/33616-asteroid-bennu-will-not-destroy-earth.html

also yes, all of humanities nukes might do SOMETHING.
>>
>>55889331
No fuck you do you know how bombs work you shit head fucker. Nucular bombs are just like any other bomb. You need atmospheric pressure to be effective. Fucking off asshole.
>>
>>55889331
>solid fuel combustion is the same as splitting an atom


haha
>>
>>55888630
>120 years
>"all the nukes can't even deter it
If a man stood on the moon and managed to hit it with a golf ball, 120 years is enough time for it to miss completely
>>
>>55889373
They are both explosions, a nuclear one is just uncontrolled.

>>55889366
Not for pushing the asteroid off course it doesn't.
>>
I'm sure we'll find a way to move earths trajectory in time.

Perhaps if we put a lot of windmills on the northern hemisphere of the planet..
>>
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>>55888630
http://www.space.com/33616-asteroid-bennu-will-not-destroy-earth.html
>>
>>55889422
Yes it does fucker boi. How do you think nucular bomb pushes asteroid? No air to push. No push. Now go push rock up your asshole fuck!
>>
>>55889471
Are you literally retarded?

What is the third law of motion?
>>
>>55889553
An asteroid is not the size of mommies dildo you use. It's taking lot more than inefficient little pat from nucular weapon without atmospheric pressure to move anyway.
Better option is to attach rocket to asteroid.
Maybe we can drive asteroid directly up your asshole fuck!
>>
>>55888630
i read this pass isn't the one, but the next one in 40 years will rekt us
>>
>>55889471
>>55889553
correct that there is no air to push. however. the material which makes up the bomb would turn into plasma and expand in a sphere. i admittedly do not know enough about physics to say how this would effect a nearby asteroid.
>>
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>>55889471
>>55889593

>Using exclamation points.
>>
>>55889593
Are you literally this retarded to not understand space at all?

Fuck, even the space probes that we sling shot off Earth and other planets slightly affect those planets' orbits.

A nuclear bomb on the surface would be far more effective than that.
>>
>>55889593
Holy fucking shit you are retarded...
>>
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>>55889471
>No air to push. No push.
>>
>>55889690
>>55889735
>>55889745
>>55889779
>/g/ doesn't understand how explosives work
Colour me surprised. Go back to shitposting about GPUs you ignorant manchildren.
>>
> everyone arguing about nuking the asteroid

I'll freely admit I didn't even read the link and know next to nothing about physics and even less about astronomy.

With that out of the way, I'm fairly confident the nuclear bomb could detonate in space, and at least half of the explosion would strike the asteroid.

That explosion, and the bomb's rocket when it hit the asteroid, would affect its trajectory. Whether or not it would move it in any meaningful way is a question of how much the asteroid weighs.

> no weight in space moron

It still has mass, and that will require a certain amount of kinetic energy to move at a certain speed or accelerate at a certain rate.
>>
This thing will come between the earth and the moon... After that they have no idea where it will go.. It could very well fall into earth that same pass through.
>>
>>55889917
I hope it goes into uranus.
>>
>>55889839
A nuclear blast a distance away from an asteroid will emit energy, the astroid absorbs this energy, as it a nuclear fucking bomb it is a lot of energy and the surface of the astroid vaporises imparting fucking velocity on the fucking asteroid.
Read a fucking book you mongoloid.
https://en.wikipedia.org/wiki/1566_Icarus#Project_Icarus

For something 130 years away a single nuclear warhead would be enough to push the asteroid well out of harms way, would only need to change its velocity by a tiny amount for it to no longer come any where near us.

Other methods could be used such as kinetic impactors or gravity tethers for something like this as it is so far away and only needs minor adjustment.
>>
>>55890041
>thinking science and nukes will progress so drastically
I think idiocracy will come into affect far before we can even achieve fusion.
>>
google search
first link
>no, asteroid Bennu wont destroy earth
http://www.space.com/33616-asteroid-bennu-will-not-destroy-earth.html
>>
>>55888647
Got an assignment due, kid?
>>
Meh. I'll be dead by then.
>>
>>55890083
>progress
We have this technology now, dumbfuck
>>
>>55890092
Are you retarded? They don't know where it will be after just shaving our atmosphere. Fuck that same pass through it could hit us.
>>
>>55890129
Fusion? Now? LOL not in your dreams even
>>
>>55889471
Where is my "asshole fuck"???

So confused.
>>
>>55890083
There doesnt need to be any progress scientifically, load a standard size nuclear warhead you nick from an america or russian sub, onto an approriately sized rocket capable of taking the 1-2 tonne payload into close proximity to the asteroid, and detonate. problem solved for a few hundred years hopefully.

Don't need nuclear meme reactors, just bombs which we have in ample supply.

Project icarus was planned in the 1960's, load a 100mt nuke, (which were in development at the time) on top of a Saturn V and do the same. repeat until life on earth is saved.
>>
>>55890103
Not me
>>
>>55889839
It's true that explosives work differently inside an atmosphere than outside an atmosphere but that doesn't mean they won't affect an asteroid's orbital path.

Remember, a rocket is just a controlled explosion, it also works differently inside an atmosphere than outside an atmosphere but it still works.
>>
>>55890148
>I can't follow a conversation, the post
Do you even know what "kinetic impactor" means?
>>
>>55890168
Fuck mobile
>>
>propheting/conspiracy/theorizing
just fuck off if all your going to do is pull people's legs and later shit doesn't happen
>>
>120 years
well, I'll be dead by then, so I guess I don't have to worry about it
>>
>>55890219
>closer to us than the moon itself
>not worried about this
Bcus humans are perfect and there's no way something that could come so close not hit us.
>>
>>55889385
underrated
>>
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>>55888630
It's Thundarr the Barbarian time.

>From out of space comes a runaway planet, hurtling between the Earth and the Moon, unleashing cosmic destruction. Man's civilization is cast in ruin. Two thousand years later, Earth is reborn... A strange new world rises from the old: a world of savagery, super science, and sorcery.
>>
Better call Bruce Willis
>>
>>55890595
lel
who would've thunk it.

>>55890604
freeze him in a tube, or clone him.
he needs to be alive for the safety of humanity!
>>
>>55891025
pretty much the only viable option. using big booms will cause debris and probably wont change its trajectory enough.

being able to land and have enough fuel left over to alter its course is kind of a big issue though.
>>
>>55889301
>what are shaped charges
>>
>>55889593
holy shit you are mentally challenged
>>
>>55891487
>using big booms will cause debris and probably wont change its trajectory enough.
You don't have to change the trajectory much, unless you are thinking of an Armageddon/Deep Impact scenario where they try to do it within a few months of impact. We have 120 years basically to decide what to do, a change of trajectory of just a fraction of a degree would mean a huge difference over decades.

I suppose debris is more of a concern, it could damage a bunch of satellites, but that might be averted by deciding when to do the strike, say at a point where the asteroid is past Earth maybe.
>>
>>55889593
wow is this a good troll or are you really that stupid? Yes there is no atmosphere in space, however even without an atmosphere a nuclear explosion will emit a large amount of radiation and energy in the form of light and heat, not only would this energy move the asteroid to some degree but it would also vaporize nearby parts of the asteroid further adding to the effect.

So as you can see, just because there is no atmosphere does not mean nothing happens when a nuclear bomb goes off in space.
>>
>>55888630
Yes, there is a chance that the asteroid will hit Earth in the last quarter of the 22nd century (a 0.037 chance, to be exact), but even if it does, mission officials noted that Bennu isn't close to being large enough to be an existential threat to the planet.

"We're not talking about an asteroid that could destroy the Earth," said Osiris-REx principal investigator Dante Lauretta of the Lunar and Planetary Laboratory at the University of Arizona. "We're not anywhere near that kind of energy for an impact."

http://www.techtimes.com/articles/172219/20160802/asteroid-bennu-might-hit-earth-but-it-wont-destroy-it.htm
>>
>>55888630
Shit, Bruce and Aerosmith will be dead.
>>
It sucks that we won't get to experience the end of the world, and instead we'll all just die boring deaths as old boring people.
>>
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>>55890025
underrated post.
Thread posts: 65
Thread images: 7


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