Tech – Metro | Horror of asteroid impact which doomed the dinosaurs revealed by scientists

EMBARGOED FOR RELEASE: 9-SEP-2019 15:00 ET (9-SEP-2019 19:00 GMT/UTC) This is an artist's interpretation of the asteroid impact. The asteroid in the artwork appears much larger than the six-mile rock that scientists hypothesize actually struck the Earth 66 million years ago. Nevertheless, the image nicely illuminates the heat generated as the asteroid rapidly compresses upon impact and the vacuum in its wake. See NATIONAL story NNasteroids. The death of the dinosaurs has been explained in unprecedented detail after scientists drilled almost a mile into the crater left by the asteroid that wiped them out. Rocks were dug out that are 'time capsules' of the day a giant asteroid smashed into Earth 66 million years ago. They contained bits of charcoal, granite and other sediments that were were washed in by a towering 300 feet tsunami. It's the most definitive evidence to date of the sheer scale of the wildfires and giant waves that devastated the planet. Professor Sean Gulick, a geoscientist at The University of Texas at Austin, said:

A brand new learn about has printed the actual horror of a cataclysm which burnt up 75% of lifestyles on Earth. (Picture: Nasa / Don Davis / SWNS)

Scientists have exposed the actual horror of an asteroid affect which burnt up 75% of lifestyles on this planet and led to the loss of life of the dinosaurs.

Some 66 million years in the past, an enormous rock hit our planet and left a crater that is now buried beneath the Yucatán Peninsula in Mexico.

A brand new learn about led via The College of Texas at Austin has printed that masses of toes of rocks that crammed the crater at ‘Floor 0’ throughout the first 24 hours after affect.

Researchers analysed rocks which crammed the large affect crater left via the doomsday house rock, which led to an explosion an identical to 10 billion of the nuclear bombs which destroyed Hiroshima in Global Struggle II.

Sean Gulick, a analysis professor at Institute for Geophysics throughout the Jackson College of Geosciences, mentioned: ‘It is an expanded report of occasions that we have been ready to recuperate from inside of flooring 0.

‘It tells us about affect processes from an eyewitness location.’

EMBARGOED FOR RELEASE: 9-SEP-2019 15:00 ET (9-SEP-2019 19:00 GMT/UTC) A portion of the drilled cores from the rocks that filled the crater left by the asteroid impact that wiped out the dinosaurs. Scientists found melted and broken rocks such as sandstone, limestone and granite -- but no sulfur-bearing minerals, despite the area's high concentration of sulfur containing rocks. This finding suggests that the impact vaporized these rocks forming sulfate aerosols in the atmosphere, causing cooling on the global scale. See NATIONAL story NNasteroids. The death of the dinosaurs has been explained in unprecedented detail after scientists drilled almost a mile into the crater left by the asteroid that wiped them out. Rocks were dug out that are 'time capsules' of the day a giant asteroid smashed into Earth 66 million years ago. They contained bits of charcoal, granite and other sediments that were were washed in by a towering 300 feet tsunami. It's the most definitive evidence to date of the sheer scale of the wildfires and giant waves that devastated the planet. Professor Sean Gulick, a geoscientist at The University of Texas at Austin, said:

A portion of the drilled cores from the rocks that crammed the crater left via the asteroid affect that burnt up the dinosaurs (Supply: IODP / SWNS)

Lots of the subject matter that crammed the crater inside of hours of affect was once produced on the affect web site, the Yucatan Peninsula in Mexico, or was once carried in via seawater pouring in from the encompassing Gulf of Mexico.

A mammoth 425 toes of subject matter (130 metres) accrued within the crater over 24 hours – a price that is a number of the easiest ever came upon on Earth.

Gulick described the cataclysm as ‘a short-lived inferno on the regional degree, adopted via an extended length of world cooling’.

‘We fried them after which we iced over them,’ he mentioned.

‘No longer all of the dinosaurs died that day, however many dinosaurs did.’

The blast set mild to bushes and vegetation 1000’s of miles clear of Floor 0 and precipitated a large tsunami.

EMBARGOED FOR RELEASE: 9-SEP-2019 15:00 ET (9-SEP-2019 19:00 GMT/UTC) Sean Gulick, a research professor at The University of Texas at Austin Jackson School of Geosciences (right) and lead author of the study, with co-author Joanna Morgan, a professor at Imperial College London, on the International Ocean Discovery Program research expedition that retrieved cores from the submerged and buried impact crater. Gulick and Morgan co-led the expedition in 2019. See NATIONAL story NNasteroids. The death of the dinosaurs has been explained in unprecedented detail after scientists drilled almost a mile into the crater left by the asteroid that wiped them out. Rocks were dug out that are 'time capsules' of the day a giant asteroid smashed into Earth 66 million years ago. They contained bits of charcoal, granite and other sediments that were were washed in by a towering 300 feet tsunami. It's the most definitive evidence to date of the sheer scale of the wildfires and giant waves that devastated the planet. Professor Sean Gulick, a geoscientist at The University of Texas at Austin, said:

Sean Gulick, a analysis professor at The College of Texas at Austin Jackson College of Geosciences (proper) and lead writer of the learn about, with co-author Joanna Morgan, a professor at Imperial School London (Supply: College of Texas / SWNS)

Within the crater, researchers discovered charcoal and a strains of fungi which implies ‘the charred panorama was once pulled into the crater with the receding waters of the tsunami’.

Jay Melosh, a Purdue College professor who was once no longer concerned within the learn about, mentioned: ‘It was once a momentous day within the historical past of lifestyles, and this can be a very transparent documentation of what came about at flooring 0.’

The learn about helps a idea which implies the affect vaporised minerals containing sulphur and dispersed them into the ambience, the place it mirrored daylight and cooled the planet and made it unattainable for many lifeforms to live to tell the tale.

‘The actual killer has were given to be atmospheric,’ Gulick added.

‘The one approach you get an international mass extinction like that is an atmospheric impact.’

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