Commentaire : An ancient ‘terror crocodile’ became a
dinosaur-eating giant. Scientists say they now
know why
жестк
ое порно бесплатно A
massive, extinct reptile that once snacked on
dinosaurs had a broad snout like an alligator’s,
but it owed its success to a trait that modern
alligators lack: tolerance for salt water.
Deinosuchus was one of the largest
crocodilians that ever lived, with a body nearly
as long as a bus and teeth the size of bananas.
From about 82 million to 75 million years ago, the
top predator swam in rivers and estuaries of North
America. The skull was wide and long, tipped with
a bulbous lump that was unlike any skull structure
seen in other crocodilians. Toothmarks on
Cretaceous bones hint that Deinosuchus hunted or
scavenged dinosaurs.
Despite its scientific
name, which translates as “terror crocodile,”
Deinosuchus has commonly been called a “greater
alligator,” and prior assessments of its
evolutionary relationships grouped it with
alligators and their ancient relatives. However, a
new analysis of fossils, along with DNA from
living crocodilians such as alligators and
crocodiles, suggests Deinosuchus belongs on a
different part of the crocodilian family tree.
Unlike alligatoroids, Deinosuchus
retained the salt glands of ancestral
crocodilians, enabling it to tolerate salt water,
scientists reported Wednesday in the journal
Communications Biology. Modern crocodiles have
these glands, which collect and release excess
sodium chloride.
Salt tolerance would
have helped Deinosuchus navigate the Western
Interior Seaway that once divided North America,
during a greenhouse phase marked by global sea
level rise. Deinosuchus could then have spread
across the continent to inhabit coastal marshes on
both sides of the ancient inland sea, and along
North America’s Atlantic coast.
The
new study’s revised family tree for crocodilians
offers fresh insights into climate resilience in
the group, and hints at how some species adapted
to environmental cooling while others went
extinct.
With salt glands allowing
Deinosuchus to travel where its alligatoroid
cousins couldn’t, the terror crocodile settled
in habitats teeming with large prey. Deinosuchus
evolved to become an enormous and widespread
predator that dominated marshy ecosystems, where
it fed on pretty much whatever it wanted.
“No one was safe in these wetlands when
Deinosuchus was around,” said senior study
author Dr. Marton Rabi, a lecturer in the
Institute of Geosciences at the University of
Tubingen in Germany. “We are talking about an
absolutely monstrous animal,” Rabi told CNN.
“Definitely around 8 meters (26 feet) or more
total body length.”
Commentaire : Possibilities
The authors of the study,
published May 6 in the journal Monthly Notices of
the Royal Astronomical Society, specifically set
out to search for Dyson spheres, in the form of
infrared heat near stars that couldn’t be
explained in any other way.
kraken tor Using
historical data from telescopes that pick up
infrared signatures, the research team looked at
stars located within less than 1,000 light-years
from Earth: “We started with a sample of 5
million stars, and we applied filters to try to
get rid of as much data contamination as
possible,” said lead study author Matias Suazo,
a doctoral student in the department of physics
and astronomy of Uppsala University in Sweden.
“So far, we have seven sources that
we know are glowing in the infrared but we don’t
know why, so they stand out.”
https://kra31att.cc
kra30 at
There
is no conclusive evidence that the seven stars
have Dyson spheres around them, Suazo cautioned.
“It’s difficult for us to find an
explanation for these sources, because we don’t
have enough data to prove what is the real cause
of the infrared glow,” he said. “They could be
Dyson spheres, because they behave like our models
predict, but they could be something else as
well.”
Among the natural causes that
could explain the infrared glow are an unlucky
alignment in the observation, with a galaxy in the
background overlapping with the star, planetary
collisions creating debris, or the fact that the
stars may be young and therefore still surrounded
by disks of hot debris from which planets would
later form.
The data used by the researchers
comes from two active space telescopes — the
Wide-field Infrared Survey Explorer, or WISE, from
NASA and Gaia from the European Space Agency —
as well as an astronomical survey of the sky in
infrared light called The Two Micron All Sky
Survey. Also known as 2MASS, the collaboration
between the University of Massachusetts and the US
space agency’s Jet Propulsion Laboratory took
place between 1997 and 2001.
Commentaire : Possibilities
The authors of the study,
published May 6 in the journal Monthly Notices of
the Royal Astronomical Society, specifically set
out to search for Dyson spheres, in the form of
infrared heat near stars that couldn’t be
explained in any other way.
kraken
официальный сайт Using
historical data from telescopes that pick up
infrared signatures, the research team looked at
stars located within less than 1,000 light-years
from Earth: “We started with a sample of 5
million stars, and we applied filters to try to
get rid of as much data contamination as
possible,” said lead study author Matias Suazo,
a doctoral student in the department of physics
and astronomy of Uppsala University in Sweden.
“So far, we have seven sources that
we know are glowing in the infrared but we don’t
know why, so they stand out.”
https://kra31att.cc
kraken войти
There is no conclusive evidence that the
seven stars have Dyson spheres around them, Suazo
cautioned.
“It’s difficult for us
to find an explanation for these sources, because
we don’t have enough data to prove what is the
real cause of the infrared glow,” he said.
“They could be Dyson spheres, because they
behave like our models predict, but they could be
something else as well.”
Among the
natural causes that could explain the infrared
glow are an unlucky alignment in the observation,
with a galaxy in the background overlapping with
the star, planetary collisions creating debris, or
the fact that the stars may be young and therefore
still surrounded by disks of hot debris from which
planets would later form.
The data used by
the researchers comes from two active space
telescopes — the Wide-field Infrared Survey
Explorer, or WISE, from NASA and Gaia from the
European Space Agency — as well as an
astronomical survey of the sky in infrared light
called The Two Micron All Sky Survey. Also known
as 2MASS, the collaboration between the University
of Massachusetts and the US space agency’s Jet
Propulsion Laboratory took place between 1997 and
2001.
Commentaire : Possibilities
The authors of the study,
published May 6 in the journal Monthly Notices of
the Royal Astronomical Society, specifically set
out to search for Dyson spheres, in the form of
infrared heat near stars that couldn’t be
explained in any other way.
kraken Using
historical data from telescopes that pick up
infrared signatures, the research team looked at
stars located within less than 1,000 light-years
from Earth: “We started with a sample of 5
million stars, and we applied filters to try to
get rid of as much data contamination as
possible,” said lead study author Matias Suazo,
a doctoral student in the department of physics
and astronomy of Uppsala University in Sweden.
“So far, we have seven sources that
we know are glowing in the infrared but we don’t
know why, so they stand out.”
https://kra31att.cc
kraken зайти
There is no conclusive evidence that the
seven stars have Dyson spheres around them, Suazo
cautioned.
“It’s difficult for us
to find an explanation for these sources, because
we don’t have enough data to prove what is the
real cause of the infrared glow,” he said.
“They could be Dyson spheres, because they
behave like our models predict, but they could be
something else as well.”
Among the
natural causes that could explain the infrared
glow are an unlucky alignment in the observation,
with a galaxy in the background overlapping with
the star, planetary collisions creating debris, or
the fact that the stars may be young and therefore
still surrounded by disks of hot debris from which
planets would later form.
The data used by
the researchers comes from two active space
telescopes — the Wide-field Infrared Survey
Explorer, or WISE, from NASA and Gaia from the
European Space Agency — as well as an
astronomical survey of the sky in infrared light
called The Two Micron All Sky Survey. Also known
as 2MASS, the collaboration between the University
of Massachusetts and the US space agency’s Jet
Propulsion Laboratory took place between 1997 and
2001.
Commentaire : Possibilities
The authors of the study,
published May 6 in the journal Monthly Notices of
the Royal Astronomical Society, specifically set
out to search for Dyson spheres, in the form of
infrared heat near stars that couldn’t be
explained in any other way.
kraken вход Using historical data from telescopes that
pick up infrared signatures, the research team
looked at stars located within less than 1,000
light-years from Earth: “We started with a
sample of 5 million stars, and we applied filters
to try to get rid of as much data contamination as
possible,” said lead study author Matias Suazo,
a doctoral student in the department of physics
and astronomy of Uppsala University in Sweden.
“So far, we have seven sources that
we know are glowing in the infrared but we don’t
know why, so they stand out.”
https://kra31att.cc
kraken tor
There is no conclusive evidence that the
seven stars have Dyson spheres around them, Suazo
cautioned.
“It’s difficult for us
to find an explanation for these sources, because
we don’t have enough data to prove what is the
real cause of the infrared glow,” he said.
“They could be Dyson spheres, because they
behave like our models predict, but they could be
something else as well.”
Among the
natural causes that could explain the infrared
glow are an unlucky alignment in the observation,
with a galaxy in the background overlapping with
the star, planetary collisions creating debris, or
the fact that the stars may be young and therefore
still surrounded by disks of hot debris from which
planets would later form.
The data used by
the researchers comes from two active space
telescopes — the Wide-field Infrared Survey
Explorer, or WISE, from NASA and Gaia from the
European Space Agency — as well as an
astronomical survey of the sky in infrared light
called The Two Micron All Sky Survey. Also known
as 2MASS, the collaboration between the University
of Massachusetts and the US space agency’s Jet
Propulsion Laboratory took place between 1997 and
2001.
Commentaire : Possibilities
The authors of the study,
published May 6 in the journal Monthly Notices of
the Royal Astronomical Society, specifically set
out to search for Dyson spheres, in the form of
infrared heat near stars that couldn’t be
explained in any other way.
kra30at Using
historical data from telescopes that pick up
infrared signatures, the research team looked at
stars located within less than 1,000 light-years
from Earth: “We started with a sample of 5
million stars, and we applied filters to try to
get rid of as much data contamination as
possible,” said lead study author Matias Suazo,
a doctoral student in the department of physics
and astronomy of Uppsala University in Sweden.
“So far, we have seven sources that
we know are glowing in the infrared but we don’t
know why, so they stand out.”
https://kra31att.cc
kraken войти
There is no conclusive evidence that the
seven stars have Dyson spheres around them, Suazo
cautioned.
“It’s difficult for us
to find an explanation for these sources, because
we don’t have enough data to prove what is the
real cause of the infrared glow,” he said.
“They could be Dyson spheres, because they
behave like our models predict, but they could be
something else as well.”
Among the
natural causes that could explain the infrared
glow are an unlucky alignment in the observation,
with a galaxy in the background overlapping with
the star, planetary collisions creating debris, or
the fact that the stars may be young and therefore
still surrounded by disks of hot debris from which
planets would later form.
The data used by
the researchers comes from two active space
telescopes — the Wide-field Infrared Survey
Explorer, or WISE, from NASA and Gaia from the
European Space Agency — as well as an
astronomical survey of the sky in infrared light
called The Two Micron All Sky Survey. Also known
as 2MASS, the collaboration between the University
of Massachusetts and the US space agency’s Jet
Propulsion Laboratory took place between 1997 and
2001.
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жестк ое порно бесплатно
A massive, extinct reptile that once snacked on dinosaurs had a broad snout like an alligator’s, but it owed its success to a trait that modern alligators lack: tolerance for salt water.
Deinosuchus was one of the largest crocodilians that ever lived, with a body nearly as long as a bus and teeth the size of bananas. From about 82 million to 75 million years ago, the top predator swam in rivers and estuaries of North America. The skull was wide and long, tipped with a bulbous lump that was unlike any skull structure seen in other crocodilians. Toothmarks on Cretaceous bones hint that Deinosuchus hunted or scavenged dinosaurs.
Despite its scientific name, which translates as “terror crocodile,” Deinosuchus has commonly been called a “greater alligator,” and prior assessments of its evolutionary relationships grouped it with alligators and their ancient relatives. However, a new analysis of fossils, along with DNA from living crocodilians such as alligators and crocodiles, suggests Deinosuchus belongs on a different part of the crocodilian family tree.
Unlike alligatoroids, Deinosuchus retained the salt glands of ancestral crocodilians, enabling it to tolerate salt water, scientists reported Wednesday in the journal Communications Biology. Modern crocodiles have these glands, which collect and release excess sodium chloride.
Salt tolerance would have helped Deinosuchus navigate the Western Interior Seaway that once divided North America, during a greenhouse phase marked by global sea level rise. Deinosuchus could then have spread across the continent to inhabit coastal marshes on both sides of the ancient inland sea, and along North America’s Atlantic coast.
The new study’s revised family tree for crocodilians offers fresh insights into climate resilience in the group, and hints at how some species adapted to environmental cooling while others went extinct.
With salt glands allowing Deinosuchus to travel where its alligatoroid cousins couldn’t, the terror crocodile settled in habitats teeming with large prey. Deinosuchus evolved to become an enormous and widespread predator that dominated marshy ecosystems, where it fed on pretty much whatever it wanted.
“No one was safe in these wetlands when Deinosuchus was around,” said senior study author Dr. Marton Rabi, a lecturer in the Institute of Geosciences at the University of Tubingen in Germany. “We are talking about an absolutely monstrous animal,” Rabi told CNN. “Definitely around 8 meters (26 feet) or more total body length.”
The authors of the study, published May 6 in the journal Monthly Notices of the Royal Astronomical Society, specifically set out to search for Dyson spheres, in the form of infrared heat near stars that couldn’t be explained in any other way.
kraken tor
Using historical data from telescopes that pick up infrared signatures, the research team looked at stars located within less than 1,000 light-years from Earth: “We started with a sample of 5 million stars, and we applied filters to try to get rid of as much data contamination as possible,” said lead study author Matias Suazo, a doctoral student in the department of physics and astronomy of Uppsala University in Sweden.
“So far, we have seven sources that we know are glowing in the infrared but we don’t know why, so they stand out.”
https://kra31att.cc
kra30 at
There is no conclusive evidence that the seven stars have Dyson spheres around them, Suazo cautioned.
“It’s difficult for us to find an explanation for these sources, because we don’t have enough data to prove what is the real cause of the infrared glow,” he said. “They could be Dyson spheres, because they behave like our models predict, but they could be something else as well.”
Among the natural causes that could explain the infrared glow are an unlucky alignment in the observation, with a galaxy in the background overlapping with the star, planetary collisions creating debris, or the fact that the stars may be young and therefore still surrounded by disks of hot debris from which planets would later form.
The data used by the researchers comes from two active space telescopes — the Wide-field Infrared Survey Explorer, or WISE, from NASA and Gaia from the European Space Agency — as well as an astronomical survey of the sky in infrared light called The Two Micron All Sky Survey. Also known as 2MASS, the collaboration between the University of Massachusetts and the US space agency’s Jet Propulsion Laboratory took place between 1997 and 2001.
The authors of the study, published May 6 in the journal Monthly Notices of the Royal Astronomical Society, specifically set out to search for Dyson spheres, in the form of infrared heat near stars that couldn’t be explained in any other way.
kraken официальный сайт
Using historical data from telescopes that pick up infrared signatures, the research team looked at stars located within less than 1,000 light-years from Earth: “We started with a sample of 5 million stars, and we applied filters to try to get rid of as much data contamination as possible,” said lead study author Matias Suazo, a doctoral student in the department of physics and astronomy of Uppsala University in Sweden.
“So far, we have seven sources that we know are glowing in the infrared but we don’t know why, so they stand out.”
https://kra31att.cc
kraken войти
There is no conclusive evidence that the seven stars have Dyson spheres around them, Suazo cautioned.
“It’s difficult for us to find an explanation for these sources, because we don’t have enough data to prove what is the real cause of the infrared glow,” he said. “They could be Dyson spheres, because they behave like our models predict, but they could be something else as well.”
Among the natural causes that could explain the infrared glow are an unlucky alignment in the observation, with a galaxy in the background overlapping with the star, planetary collisions creating debris, or the fact that the stars may be young and therefore still surrounded by disks of hot debris from which planets would later form.
The data used by the researchers comes from two active space telescopes — the Wide-field Infrared Survey Explorer, or WISE, from NASA and Gaia from the European Space Agency — as well as an astronomical survey of the sky in infrared light called The Two Micron All Sky Survey. Also known as 2MASS, the collaboration between the University of Massachusetts and the US space agency’s Jet Propulsion Laboratory took place between 1997 and 2001.
зерноочисні машини ерноочисні машини .
The authors of the study, published May 6 in the journal Monthly Notices of the Royal Astronomical Society, specifically set out to search for Dyson spheres, in the form of infrared heat near stars that couldn’t be explained in any other way.
kraken
Using historical data from telescopes that pick up infrared signatures, the research team looked at stars located within less than 1,000 light-years from Earth: “We started with a sample of 5 million stars, and we applied filters to try to get rid of as much data contamination as possible,” said lead study author Matias Suazo, a doctoral student in the department of physics and astronomy of Uppsala University in Sweden.
“So far, we have seven sources that we know are glowing in the infrared but we don’t know why, so they stand out.”
https://kra31att.cc
kraken зайти
There is no conclusive evidence that the seven stars have Dyson spheres around them, Suazo cautioned.
“It’s difficult for us to find an explanation for these sources, because we don’t have enough data to prove what is the real cause of the infrared glow,” he said. “They could be Dyson spheres, because they behave like our models predict, but they could be something else as well.”
Among the natural causes that could explain the infrared glow are an unlucky alignment in the observation, with a galaxy in the background overlapping with the star, planetary collisions creating debris, or the fact that the stars may be young and therefore still surrounded by disks of hot debris from which planets would later form.
The data used by the researchers comes from two active space telescopes — the Wide-field Infrared Survey Explorer, or WISE, from NASA and Gaia from the European Space Agency — as well as an astronomical survey of the sky in infrared light called The Two Micron All Sky Survey. Also known as 2MASS, the collaboration between the University of Massachusetts and the US space agency’s Jet Propulsion Laboratory took place between 1997 and 2001.
The authors of the study, published May 6 in the journal Monthly Notices of the Royal Astronomical Society, specifically set out to search for Dyson spheres, in the form of infrared heat near stars that couldn’t be explained in any other way.
kraken вход
Using historical data from telescopes that pick up infrared signatures, the research team looked at stars located within less than 1,000 light-years from Earth: “We started with a sample of 5 million stars, and we applied filters to try to get rid of as much data contamination as possible,” said lead study author Matias Suazo, a doctoral student in the department of physics and astronomy of Uppsala University in Sweden.
“So far, we have seven sources that we know are glowing in the infrared but we don’t know why, so they stand out.”
https://kra31att.cc
kraken tor
There is no conclusive evidence that the seven stars have Dyson spheres around them, Suazo cautioned.
“It’s difficult for us to find an explanation for these sources, because we don’t have enough data to prove what is the real cause of the infrared glow,” he said. “They could be Dyson spheres, because they behave like our models predict, but they could be something else as well.”
Among the natural causes that could explain the infrared glow are an unlucky alignment in the observation, with a galaxy in the background overlapping with the star, planetary collisions creating debris, or the fact that the stars may be young and therefore still surrounded by disks of hot debris from which planets would later form.
The data used by the researchers comes from two active space telescopes — the Wide-field Infrared Survey Explorer, or WISE, from NASA and Gaia from the European Space Agency — as well as an astronomical survey of the sky in infrared light called The Two Micron All Sky Survey. Also known as 2MASS, the collaboration between the University of Massachusetts and the US space agency’s Jet Propulsion Laboratory took place between 1997 and 2001.
The authors of the study, published May 6 in the journal Monthly Notices of the Royal Astronomical Society, specifically set out to search for Dyson spheres, in the form of infrared heat near stars that couldn’t be explained in any other way.
kra30at
Using historical data from telescopes that pick up infrared signatures, the research team looked at stars located within less than 1,000 light-years from Earth: “We started with a sample of 5 million stars, and we applied filters to try to get rid of as much data contamination as possible,” said lead study author Matias Suazo, a doctoral student in the department of physics and astronomy of Uppsala University in Sweden.
“So far, we have seven sources that we know are glowing in the infrared but we don’t know why, so they stand out.”
https://kra31att.cc
kraken войти
There is no conclusive evidence that the seven stars have Dyson spheres around them, Suazo cautioned.
“It’s difficult for us to find an explanation for these sources, because we don’t have enough data to prove what is the real cause of the infrared glow,” he said. “They could be Dyson spheres, because they behave like our models predict, but they could be something else as well.”
Among the natural causes that could explain the infrared glow are an unlucky alignment in the observation, with a galaxy in the background overlapping with the star, planetary collisions creating debris, or the fact that the stars may be young and therefore still surrounded by disks of hot debris from which planets would later form.
The data used by the researchers comes from two active space telescopes — the Wide-field Infrared Survey Explorer, or WISE, from NASA and Gaia from the European Space Agency — as well as an astronomical survey of the sky in infrared light called The Two Micron All Sky Survey. Also known as 2MASS, the collaboration between the University of Massachusetts and the US space agency’s Jet Propulsion Laboratory took place between 1997 and 2001.