Sentences with phrase «iacw airburst»

The glass itself, one large polished piece of which has a prominent place in a necklace that belonged to Egyptian pharaoh Tutankhamen, has been dated to 28.5 million years and has long been thought to be the result of a meteorite impact or an airburst caused by a comet breaking up in Earth's atmosphere.
Such an object would not impact the ground but would produce a multimegaton airburst in the lower stratosphere, Chapman says.
Within a few years, the airburst theory gained scientific support and thereafter limited further speculation.
Comparison of the effects of nuclear test airbursts with the flattened pattern of the Tunguska forest seems to confirm this suggestion.
As the descending body penetrated deeper, air resistance probably caused it to explode in an airburst with a strong flow of heated gas that was carried downward by its tremendous momentum.
The most dramatic instances of damage from the airburst were flying glass and one collapsed building: most of the people who sought medical attention in the aftermath suffered from cuts and bruises.
Had the airburst happened over a big city, countless people would have been killed without warning.
Between 2000 and 2013, they identified 33 such events (including the meteoroid that blazed into the atmosphere and detonated over Chelyabinsk, Russia, in February 2013, see image; the large blip in the meteor trail at right denotes where the 500 - kiloton airburst occurred).
Rather than random occurrences, many large airbursts might result from collisions between Earth and streams of debris associated with small asteroids or comets.
Of those events, there were nine pairs of explosions — or airbursts — that occurred within one calendar day of each other, the researchers will report in January in the Monthly Notices of the Royal Astronomical Society.
Researchers used data from sensors designed to detect clandestine nuclear tests, among other sources, to identify airbursts with an energy equivalent to or larger than that released by 1 kiloton of exploding TNT.
Yam: Well, in terms of the [actual] threat, I think more of an airburst is more likely; the kind of thing that happened over Tunguska a century ago, which flattened a forest.
which provided inspiration for the unorthodox and controversial notion that a large airburst over North America caused an abrupt climate change mass extinction.
This prediction proved true less than two years later, on Feb. 15, 2013, when an airburst over Chelyabinsk, Russia injured more than 1000 people.
Most of the documentaries are focused on his impact and airburst modeling.
«An expert on planetary impacts and global catastrophes, Boslough's work on airbursts challenged the conventional view of asteroid collision risk and is now widely accepted by the scientific community.
Boslough provided the original theory of asteroid airbursts, but strongly disputes the case that one happened 12,800 years ago, or that a comet of any significant size hit then either.
In 2011, he presented a paper at the IAA Planetary Defense Conference in Bucharest, Romania, in which he stated, «It is virtually certain (probability > 99 %) that the next destructive NEO event will be an airburst
However, while you are initially provided with an MGL 40 mm (grenade launcher), unlocking other weapons such as the M214 Gatling gun or M295 IACW airburst grenade launcher will require you to use the other currency in Devil's Third, Golden Eggs.
The authors use a two - dimensional atmospheric model to simulate the nitrate and ozone changes associated with the A.D. 1908 Tunguska event where a bolide airburst occurred over Siberia, Russia.
The Chelyabinsk, Russia, meteor airburst on February 15, 2013, injured more than a thousand people and damaged thousands of buildings.
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