the infamous dinosaur predator t-rex weighed over 6 tons and possess the
weighed over 6 tons and possess the
weighed over 6 tons and possess the greatest bite force of any known
greatest bite force of any known
greatest bite force of any known land-based animal then suddenly 65
land-based animal then suddenly 65
land-based animal then suddenly 65 million years ago t-rex and the
million years ago t-rex and the
million years ago t-rex and the dinosaurs vanished from the face of the
dinosaurs vanished from the face of the
dinosaurs vanished from the face of the earth for decades their disappearance
earth for decades their disappearance
earth for decades their disappearance was a mystery
then in 1980 while examining rock strata
then in 1980 while examining rock strata from 65 million years ago scientists
from 65 million years ago scientists
from 65 million years ago scientists found a thin layer of a material called
found a thin layer of a material called
found a thin layer of a material called iridium iridium is normally only found
iridium iridium is normally only found
iridium iridium is normally only found in space so scientists turn to an
in space so scientists turn to an
in space so scientists turn to an extraordinary explanation for how the
extraordinary explanation for how the
extraordinary explanation for how the element came to earth it may have come
element came to earth it may have come
element came to earth it may have come on a gigantic meteor they then figured
on a gigantic meteor they then figured
on a gigantic meteor they then figured out that this meteor struck our planet
out that this meteor struck our planet
out that this meteor struck our planet with a force ten billion times more
with a force ten billion times more
with a force ten billion times more powerful than the Hiroshima atom bomb
powerful than the Hiroshima atom bomb
powerful than the Hiroshima atom bomb creating a global catastrophe that
creating a global catastrophe that
creating a global catastrophe that killed 70% of all species including the
killed 70% of all species including the
killed 70% of all species including the dinosaurs the idea was originally met
dinosaurs the idea was originally met
dinosaurs the idea was originally met with a chorus of skepticism then in 1990
with a chorus of skepticism then in 1990
with a chorus of skepticism then in 1990 scientists found the 112-mile Chicxulub
scientists found the 112-mile Chicxulub
scientists found the 112-mile Chicxulub meteor crater off the coast of Yucatan
meteor crater off the coast of Yucatan
meteor crater off the coast of Yucatan Mexico it proved a meteor had indeed
Mexico it proved a meteor had indeed
Mexico it proved a meteor had indeed caused the dinosaur extinction and
caused the dinosaur extinction and
caused the dinosaur extinction and revolutionized the way scientists
revolutionized the way scientists
revolutionized the way scientists thought about the distant past
thought about the distant past
thought about the distant past but could immediate impact have given
but could immediate impact have given
but could immediate impact have given rise to the dinosaurs in the first place
rise to the dinosaurs in the first place
rise to the dinosaurs in the first place it’s a contentious new idea that’s been
it’s a contentious new idea that’s been
it’s a contentious new idea that’s been pioneered by a research chemist named
pioneered by a research chemist named
pioneered by a research chemist named LuAnn Becker of the University of
LuAnn Becker of the University of
LuAnn Becker of the University of California Santa Barbara
California Santa Barbara
California Santa Barbara just as iridium provided the
just as iridium provided the
just as iridium provided the extraterrestrial fingerprint of the
extraterrestrial fingerprint of the
extraterrestrial fingerprint of the cheek Shalhoub meteor that killed the
cheek Shalhoub meteor that killed the
cheek Shalhoub meteor that killed the dinosaurs
dinosaurs
dinosaurs Becker has found something she believes
Becker has found something she believes
Becker has found something she believes provides the evidence of the meteor
provides the evidence of the meteor
provides the evidence of the meteor impact that gave rise to them
Becker’s story starts here in Sudbury
Becker’s story starts here in Sudbury Canada in 1996 Becker and fellow
Canada in 1996 Becker and fellow
Canada in 1996 Becker and fellow geochemist Robert parada were on the
geochemist Robert parada were on the
geochemist Robert parada were on the hunt for an extremely rare molecule that
hunt for an extremely rare molecule that
hunt for an extremely rare molecule that they believed could only be created by
they believed could only be created by
they believed could only be created by the incredibly intense conditions of a
the incredibly intense conditions of a
the incredibly intense conditions of a meteor impact Sudbury was the ideal
meteor impact Sudbury was the ideal
meteor impact Sudbury was the ideal candidate it had recently been
candidate it had recently been
candidate it had recently been identified as the site were a meteor up
identified as the site were a meteor up
identified as the site were a meteor up to 12 miles across struck the earth
to 12 miles across struck the earth
to 12 miles across struck the earth nearly 2 billion years ago it would have
nearly 2 billion years ago it would have
nearly 2 billion years ago it would have been a huge high-velocity
been a huge high-velocity
been a huge high-velocity high-temperature high-pressure impact
high-temperature high-pressure impact
high-temperature high-pressure impact exploding body
clues that Sudbury was an impact site
clues that Sudbury was an impact site are still etched in the local rocks
are still etched in the local rocks
are still etched in the local rocks quite literally and all of these rocks
quite literally and all of these rocks
quite literally and all of these rocks if you take a look around you see these
if you take a look around you see these
if you take a look around you see these really nice
really nice
really nice shocked type features look like little
shocked type features look like little
shocked type features look like little pyramids almost little teepees but they
pyramids almost little teepees but they
pyramids almost little teepees but they they literally are the representation of
they literally are the representation of
they literally are the representation of the the actual shock of the of the
the the actual shock of the of the
the the actual shock of the of the impact the asteroid or the comment
impact the asteroid or the comment
impact the asteroid or the comment literally hitting the earth
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