Asteroid fly-by today 4/19/2017

blowing up a big one just means you are gonna be hit by the smaller bits....neither a good scenario
Agreed, given that we could shatter it in the first place. Even a nuke might just bounce off with an relatively unpredictable change of course.


FYI, "The Rock" is 6-10 times the size in this scenario:
NASA’s plan for when the next asteroid strikes Earth
A 120-meter silicon rock hitting Los Angeles between 18 and 19 km per second would explode with more than 600 times the energy of the nuclear bomb America dropped on Hiroshima, assuming a typical impact angle and consistent surface composition where it lands. It would also leave a crater a mile wide, according to an online simulation program by Imperial College London and Purdue University.

The entire urban center of Los Angeles would be obliterated, along with the port. The area would be unlivable for months, if not years. ”You’re not going to return to the way things were,” said Bout.

* * *
 
Every few hundred years this space bullet skims by the Earth's orbit.

Eventually it will hit us but how many centuries this will take has not been calculated.

It was discovered 3 years ago.

The last big space rock like this that hit the Earth was 13 years ago.
We need to blow it up so when we need to blow one up we're good at it


Part of our millitaries mission should be to seek out such threats and defend the united states from them. What ever means that is necessary.
If it's going to hit Russia or China do we let it hit?
Not much, if anything we can do even if it was going to hit us.

Here's the good and bad news: 75% of the planet is water so there's a 75% chance it will go in the ocean. A global tsunami could result depending on where it hit.
 
Every few hundred years this space bullet skims by the Earth's orbit.

Eventually it will hit us but how many centuries this will take has not been calculated.

It was discovered 3 years ago.

The last big space rock like this that hit the Earth was 13 years ago.
We need to blow it up so when we need to blow one up we're good at it


Part of our millitaries mission should be to seek out such threats and defend the united states from them. What ever means that is necessary.
If it's going to hit Russia or China do we let it hit?
It would still affect us all.
 
Every few hundred years this space bullet skims by the Earth's orbit.

Eventually it will hit us but how many centuries this will take has not been calculated.

It was discovered 3 years ago.

The last big space rock like this that hit the Earth was 13 years ago.
We need to blow it up so when we need to blow one up we're good at it


Part of our millitaries mission should be to seek out such threats and defend the united states from them. What ever means that is necessary.
If it's going to hit Russia or China do we let it hit?
It would still affect us all.
Depending on how big it is. Point is, if it were going to wipe out Russia would we maybe accidentally miss?
 
I remember that well. Eating bugs and shit like that.
 
An asteroid that size would affect the whole of the earth, no matter where it hit. The impact area would be devastated, but the debris and dust would shroud the atmosphere for a couple of years, creating a situation like the summer of 1816. And in today's world, that would lead to the starvation of hundreds of millions.

An ocean hit would be worse yet, as it would put giga-tons of water vapor in the atmosphere, and still have dust from the ocean crust. Were it to hit an area of limestone with a lot of sulfur in it, then you would have a very acid rain downwind from the impact area. Larry Niven and Jerry Pournelle wrote a very good book about a large broken up comet hitting the Earth. It is called "Lucifer's Hammer".
 
An asteroid that size would affect the whole of the earth, no matter where it hit. The impact area would be devastated, but the debris and dust would shroud the atmosphere for a couple of years, creating a situation like the summer of 1816. And in today's world, that would lead to the starvation of hundreds of millions.

An ocean hit would be worse yet, as it would put giga-tons of water vapor in the atmosphere, and still have dust from the ocean crust. Were it to hit an area of limestone with a lot of sulfur in it, then you would have a very acid rain downwind from the impact area. Larry Niven and Jerry Pournelle wrote a very good book about a large broken up comet hitting the Earth. It is called "Lucifer's Hammer".
I was going to say it's worse if it hits water but I couldn't remember the details of why that is so I deleted the post. Thanks.
 
An asteroid that size would affect the whole of the earth, no matter where it hit. The impact area would be devastated, but the debris and dust would shroud the atmosphere for a couple of years, creating a situation like the summer of 1816. And in today's world, that would lead to the starvation of hundreds of millions.

An ocean hit would be worse yet, as it would put giga-tons of water vapor in the atmosphere, and still have dust from the ocean crust. Were it to hit an area of limestone with a lot of sulfur in it, then you would have a very acid rain downwind from the impact area. Larry Niven and Jerry Pournelle wrote a very good book about a large broken up comet hitting the Earth. It is called "Lucifer's Hammer".

Lucifer's Hammer - Wikipedia

Those must be pretty large chunks of comet
 
I suspect that there is a cult somewhere preparing their apple sauce and Valium snacks, who firmly believe that it is not an asteroid, but really a spaceship coming to take them home.
 

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