Could we blow up a planet with our current technology?

[harp AP 2010]

Could we "blow up" a planet with our current technology?

Could we "blow up" a planet with our current technology?

 

[NobodySpecial]

No - at least not a very big one

Background calculations needed to build a deathstar http://www.stardestroyer.net/Empire/Tech/Beam/DeathStar.html

 

[Danger]

Actually, we could, but it depends upon the availability of materials. I'm pretty sure that 5 or 6 trillion tonnes of C4 would be noticeable, not to mention the addition of thermonuclear devices.

 

[NobodySpecial]

The gravitational binding energy of an Earth type planet is of the order of 10^32J = a few 10^20 kilotons.

 

[Danger]

The gravitational binding energy of an Earth type planet is of the order of 10^32J = a few 10^20 kilotons.

Oh, sure... get technical about it...

 

[K^2]

Actually, we could, but it depends upon the availability of materials. I'm pretty sure that 5 or 6 trillion tonnes of C4 would be noticeable, not to mention the addition of thermonuclear devices.

Nope, wouldn't make a scratch. All the explosives, conventional and nuclear, along with all the known reserves for making more would be insufficient to noticeably damage the smallest planetoid. Energy requirements for a planet killer are absolutely enormous.

 

[Danger]

Nope, wouldn't make a scratch. All the explosives, conventional and nuclear, along with all the known reserves for making more would be insufficient to noticeably damage the smallest planetoid. Energy requirements for a planet killer are absolutely enormous.

But you are referring to everything that we currently have in the world's arsenals. That was the whole point of me specifying a limit of resources. I don't disagree with you in the context that you are referring to, but I do believe that with almost-unlimited future resources it can be done. I also believe in the possibility of a Dyson sphere or a Ringworld, so maybe I'm just a dreamer.

 

[willem2]

Actually, we could, but it depends upon the availability of materials. I'm pretty sure that 5 or 6 trillion tonnes of C4 would be noticeable, not to mention the addition of thermonuclear devices.

Even if the entire Earth was made up of C4, it wouldn't be enough to overcome gravity. You need about 4*10^7 J/Kg to disperse the Earth beyond the reach of gravity. (see link about death star above).
This is more energy than any chemical explosive can provide. TNT gives 4.2 * 10^6 J/Kg

 

[Dr Lots-o'watts]

Which one are you looking at?

"Oh, I'm going to blow it up; it obstructs my view of Venus." - Marvin the Martian

 

[Danger]

Which one are you looking at?

"Oh, I'm going to blow it up; it obstructs my view of Venus." - Marvin the Martian

Oh, crap, but I miss that little bastard!

Willem, I agree with you in the way that you expressed it. I was referring more toward rendering a planet unfit for life as we know it, rather than utterly eliminating any history of it from the universe. I have learned, through bitter experience, to set my sights low.

 

[xxChrisxx]

Someone beat me to it. If you want to blow up the Earth you want to use a small stick of Illudium PU-36 Explosive Space Modulator.
PS That is my favourite bugs bunny cartoon EVAR.


EDIT: It's also why the Core is such an annoying film (not counting the awful plot and acting). Let's get a nuke to restart to core spinning... pffft.

 

[Danger]

Someone beat me to it. If you want to blow up the Earth you want to use a small stick of Illudium PU-36 Explosive Space Modulator.

That so pissed me off when I was a kid. I ordered one from an ad in the back of a comic book, and all that I got was a damned firecracker. I was already playing with 12-gauges and C4, so you can imagine what a disappointment that was.

 

[hidlAP2010]

Could we "blow up" a planet with our current technology?

It should be possible to "blow up" a planet with our current technology. The more difficult question is whether or not we have the necessary supply of that tech to blow a planet up. I personally would not like to experiment this on any neighboring planets though.

 

[NobodySpecial]

I personally would not like to experiment this on any neighboring planets though.

Well you aren't going to get to be emperor with that kind of defeatist attitude

 

[brewAP2010]

why would you want to, it just seems a little dangerous...and I think that even if we tried we couldn't

 

[harp AP 2010]

I don't want to, I was just curious of what we can do and the response I would get. Yes it is dangerous, that's why warning labels are on all over explosives. From the results it would seem we cannot blow up a planet.

 

[berkeman]

I don't want to, I was just curious of what we can do and the response I would get. Yes it is dangerous, that's why warning labels are on all over explosives. From the results it would seem we cannot blow up a planet.

Are there really warning labels on explosives? What do they say?

"Do not dispose of in fireplace."