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Re: Wanna know something interesting?

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Cyerwyn is not online. Cyerwyn
Joined: 09 Mar 2013
Total Posts: 3442
07 Feb 2017 08:27 PM
Apophis 99942 is currently 161,068,299 miles from Earth.

At this distance, it is out of sight, out of mind.
It is sneaking up on us at 0.256 miles per second.

Its last close approach was in January 2013. It will pass within 20,000 miles of the Earth in 2029. For the first eight years after it was discovered, it was considered a potential threat to impact the Earth in either 2029 or 2036.

On April 13, 2029, Apophis will pass by Earth within about 20,000 miles. This pass will be close enough to alter the asteroid's orbit. The exact course of the new orbit will depend on exactly how close Apophis passes by us. The next opportunity for an impact would be on April 13, 2036. On April 16, 2008, the probability of an impact on April 13, 2036 was calculated at 1 in 45,000. On October 7, 2009, the impact probability was reduced to 1 in 233,000. On January 10, 2013, it was reduced to 1 in 11 million.

In a collision with Earth, Apophis' impact energy would be approximately 750 megatons. This is roughly equivalent to 47,000 times the energy released by the atomic bomb dropped on Hiroshima in 1945. The meteorite impact that occurred in 1908 in Tunguska, Siberia had an impact energy of 10 to 15 megatons. An impact of 750 megatons, therefore, would be very devastating at a local level, but it is not nearly enough to completely destroy the earth or be considered an extinction threat.
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robloxandtyler is not online. robloxandtyler
Joined: 16 Feb 2013
Total Posts: 3456
07 Feb 2017 08:27 PM
Oh...

Ok...
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Nextly is online. Nextly
Joined: 11 Feb 2012
Total Posts: 38639
07 Feb 2017 08:28 PM
By 2029, especially by 2036, I really hope that we'll have some defense system to repel asteroids like that, at least to an extent.
It's one of the most dangerous, constant threats to our extinction as a species


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iRecreational is not online. iRecreational
Joined: 12 Aug 2014
Total Posts: 3529
07 Feb 2017 08:29 PM
Humans #### ## ### at some point. I reject your reality and substitute ## own.
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iRecreational is not online. iRecreational
Joined: 12 Aug 2014
Total Posts: 3529
07 Feb 2017 08:30 PM
Humans need to be exterminated at some point.*


I reject your reality and substitute my own.
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FBI_Investigation is not online. FBI_Investigation
Joined: 14 Jan 2017
Total Posts: 22
07 Feb 2017 08:31 PM
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Cyerwyn is not online. Cyerwyn
Joined: 09 Mar 2013
Total Posts: 3442
07 Feb 2017 08:47 PM
+1 Interesting bump.
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