A big chunk of something smashed into urban regions .
The blast brings to mind the Tunguska event and the contrasting Crater
in Arizona.
The Tunguska event was likely a comet that popped like a pressure cooker.
Or it may have been a crippled spacecraft.
![Smile](https://www.hawaiithreads.com/core/images/smilies/smile.png)
If true, this event is truly rare.
There is an episode of "In Search Of" hosted by Leonard Nimoy
on you tube .Season 3 episode 7.
The blast brings to mind the Tunguska event and the contrasting Crater
in Arizona.
The Tunguska event was likely a comet that popped like a pressure cooker.
Or it may have been a crippled spacecraft.
![Smile](https://www.hawaiithreads.com/core/images/smilies/smile.png)
If true, this event is truly rare.
There is an episode of "In Search Of" hosted by Leonard Nimoy
on you tube .Season 3 episode 7.
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