The Tunguska Event

C

Cypress

Well-known member
Contrary to the popular comet-strike theory, it may have been a near miss by an iron asteroid grazing our atmosphere. A direct hit likely would have been catastrophic.

The few eyewitnesses from that day in remote Siberia reported it seemed like the sky was splitting open.

Tunguska explosion in 1908 caused by asteroid grazing Earth

A new theory explains the mysterious explosion in Siberia, scientists say, suggesting Earth barely escaped a far greater catastrophe.

https://astronomy.com/news/2020/10/tunguska-explosion-in-1908-caused-by-asteroid-grazing-earth
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Cypress said:
Contrary to the popular comet-strike theory, it may have been a near miss by an iron asteroid grazing our atmosphere. A direct hit likely would have been catastrophic.

The few eyewitnesses from that day in remote Siberia reported it seemed like the sky was splitting open.
Click to expand...

I would agree, it was a asteroid aerial burst over Tunguska?!!

The Tunguska event was a massive ~12 megaton[SUP][2][/SUP] explosion that occurred near the Podkamennaya Tunguska River in Yeniseysk Governorate (now Krasnoyarsk Krai), Russia, on the morning of June 30, 1908.[SUP][1][/SUP][SUP][3][/SUP] The explosion over the sparsely populated Eastern Siberian Taiga flattened an estimated 80 million trees over an area of 2,150 km[SUP]2[/SUP] (830 sq mi) of forest, and eyewitness reports suggest that at least three people may have died in the event.[SUP][4][/SUP][SUP][5][/SUP][SUP][6][/SUP][SUP][7][/SUP][SUP][2][/SUP] The explosion is generally attributed to a meteor air burst: the atmospheric explosion of a stony meteoroid about 50–60 metres (160–200 feet) in size.[SUP][2][/SUP][SUP][8][/SUP][SUP]: p. 178 [/SUP] The meteoroid approached from the east-southeast, and likely with a relatively high speed of about 27 km/s.[SUP][2][/SUP] It is classified as an impact event, even though no impact crater has been found; the object is thought to have disintegrated at an altitude of 5 to 10 kilometres (3 to 6 miles) rather than to have hit the surface of the Earth.[SUP][9

[/SUP]The Tunguska event is the largest impact event on Earth in recorded history, though much larger impacts have occurred in prehistoric times. An explosion of this magnitude would be capable of destroying a large metropolitan area.[SUP][10][/SUP] It has been mentioned numerous times in popular culture, and has also inspired real-world discussion of asteroid impact avoidance.[SUP][citation needed]

https://en.wikipedia.org/wiki/Tunguska_event

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signalmankenneth said:
I would agree, it was a asteroid aerial burst over Tunguska?!!

The Tunguska event was a massive ~12 megaton[SUP][2][/SUP] explosion that occurred near the Podkamennaya Tunguska River in Yeniseysk Governorate (now Krasnoyarsk Krai), Russia, on the morning of June 30, 1908.[SUP][1][/SUP][SUP][3][/SUP] The explosion over the sparsely populated Eastern Siberian Taiga flattened an estimated 80 million trees over an area of 2,150 km[SUP]2[/SUP] (830 sq mi) of forest, and eyewitness reports suggest that at least three people may have died in the event.[SUP][4][/SUP][SUP][5][/SUP][SUP][6][/SUP][SUP][7][/SUP][SUP][2][/SUP] The explosion is generally attributed to a meteor air burst: the atmospheric explosion of a stony meteoroid about 50–60 metres (160–200 feet) in size.[SUP][2][/SUP][SUP][8][/SUP][SUP]: p. 178 [/SUP] The meteoroid approached from the east-southeast, and likely with a relatively high speed of about 27 km/s.[SUP][2][/SUP] It is classified as an impact event, even though no impact crater has been found; the object is thought to have disintegrated at an altitude of 5 to 10 kilometres (3 to 6 miles) rather than to have hit the surface of the Earth.[SUP][9

[/SUP]The Tunguska event is the largest impact event on Earth in recorded history, though much larger impacts have occurred in prehistoric times. An explosion of this magnitude would be capable of destroying a large metropolitan area.[SUP][10][/SUP] It has been mentioned numerous times in popular culture, and has also inspired real-world discussion of asteroid impact avoidance.[SUP][citation needed]

https://en.wikipedia.org/wiki/Tunguska_event

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254029972e44fef7edbb722879d70571.jpg
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We will never know, will we? The sonic boom would have been heard miles and miles away.
 
Cypress said:
Contrary to the popular comet-strike theory, it may have been a near miss by an iron asteroid grazing our atmosphere. A direct hit likely would have been catastrophic.

The few eyewitnesses from that day in remote Siberia reported it seemed like the sky was splitting open.
Click to expand...

Great theory!

Lucky miss
If Khrennikov and colleagues are correct, then Earth had a lucky near-miss that morning. A direct impact with a 656 foot-wide (200 meter-wide) asteroid would have devastated Siberia, leaving a crater 2 miles (3 kilometers) wide. It would also have had catastrophic effects on the biosphere, perhaps ending modern civilization.

In the event, the Tunguska impact is thought to have killed perhaps three people because the region is so remote. It could clearly have been much worse.

 
AProudLefty said:
We will never know, will we? The sonic boom would have been heard miles and miles away.
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Eyewitnesses who were 40 miles away from the event claimed the air temperature jumped 50 degrees in a fraction of a second and almost gave them first degree burns.

The curious thing is that no crater was ever found, nor to my knowledge was any meteorite rock debris or shocked quartz found.

An asteroid that grazed our atmosphere and continued onward seems like a plausible theory.
 
Cypress said:
Eyewitnesses who were 40 miles away from the event claimed the air temperature jumped 50 degrees in a fraction of a second and almost gave them first degree burns.

The curious thing is that no crater was ever found, nor to my knowledge was any meteorite rock debris or shocked quartz found.

An asteroid that grazed our atmosphere and continued onward seems like a plausible theory.
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Agreed on plausible theory. It beats the "exploding comet" theory because of the lack of debris.
 
There's no trees growing there even to this day. :eek:

The radioactivity is eliminated so what could be the reason?
 
AProudLefty said:
It appears to be true. They say you can still see the effects there today.

https://www.google.com/maps/d/embed?mid=1uV2K16mI0HseEJFHmZ_392yfriI&ie=UTF8&oe=UTF8&msa=0&t=h&ll=60.91271086183272%2C101.90270784652071&spn=0%2C0&output=embed&z=14

https://7news.com.au/news/world/tunguska-event-was-a-mysterious-blast-caused-by-aliens-c-186772
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It was only a matter of time before someone blamed it on aliens!

The Russians undoubtedly know more about it than us, and a lot of their scientific literature does not get covered in the western media
 
Cypress said:
It was only a matter of time before someone blamed it on aliens!

The Russians undoubtedly know more about it than us, and a lot of their scientific literature does not get covered in the western media
Click to expand...

I wouldn't be surprised. They are heavily invested in UFOs so they have to know something.

I noticed something interesting on the Google maps. You can clearly see the "circle" around the "impact" site. Look to the south and you see what appears to be where the trees were felled. I could be wrong but that's my observation. So it seems that it was coming from the north. But there's no visible effects due north.

Interesting indeed.
 
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