By Yereth Rosen
ANCHORAGE, Alaska (Reuters) – An iguana-like creature with a needle-sharp snout has been confirmed from a fossilized skeleton as a species of the marine reptile thalattosaur previously unknown to science that roamed the coast of what is now Alaska some 200 million years ago.
Dating from the Triassic period and identified from a lone fossil found the Tongass National Forest in Alaska, the new creature has been named Gunakadeit joseeae, after a Native Tlingit name for a legendary sea monster, according to an article published on Tuesday in the journal Scientific Reports.
It is the only intact thalattosaur fossil ever found in North America, said paleontologist Pat Druckenmller, director of the University of Alaska Museum of the North and lead author of the study.
“This animal is striking because it’s got this super-sharp pointed snout. Literally, it’s needle-like,” Druckenmller said, describing the creature as “weird.”
The snout and the fine bones in its throat suggest a reptile that dug into cracks in submerged reefs to suck out food, mostly small crustaceans and squid.
It’s fossil was uncovered through a stroke of luck, when an extremely low tide in 2011 exposed the typically submerged rock where it was embedded on an island beach as scientists happened to be surveying the area.
Fully separating the fossil from rock took years, said U.S. Forest Service geologist Jim Baichtal, one of the scientists who found the specimen.
Positively identifying it as a new species included a trip by Druckenmiller to China, one of the few places where intact thalattosaurs have been discovered.
That work confirmed what was obvious to those who saw the fossil’s skull and snout in 2011, Druckenmiller said: “We knew right away that it was totally different.”
At the time Gunakadeit joseeae was living, what is now the rugged temperate rainforest of southeast Alaska was a much warmer place – a coastal region only about 10-20 degrees north of the equator, Druckenmiller said.
That territory migrated northward, pressing into North America and creating the paleontologically interesting terrain of Alaska’s southeast panhandle.
The newly identified thalattosaur is the latest among several important paleontological discoveries in the Tongass National Forest.
They include the 1996 discovery of a 10,300-year-old human skeleton in a cave in the southern part of the largest U.S. national forest. Those remains, of a young man with a fish-based diet, contributed to knowledge about people who migrated to North America by coastal routes rather than over the Bering Land Bridge.
(Reporting by Yereth Rosen; Editing by Dan Whitcomb and Christopher Cushing)
Korea realises its ambitions and already travels to meet the moon – Atalayar
The Republic of Korea has been keen to demonstrate that it is in fact Asia’s fourth-largest space power and ranks just behind China, Japan and India in terms of space ambitions and development.
With the launch of its first moon-bound probe, it has made it clear that although it is considered to be the world’s tenth largest economy, it is one of the seven nations globally with the greatest interest in outer space. The South Korean scientific spacecraft is called Danuri, which in English means “enjoy the moon”, weighs 678 kilos, is cube-shaped, measures 3.18 x 6.3 x 2.67 metres and, according to the Seoul government, cost 182 million dollars.
In a way, Korea has followed in the footsteps of the United Arab Emirates, which relied on Japan and its H-IIA rocket to send its first interplanetary probe, the Al Amal Mars spacecraft, to Mars. In the Korean case, it has chosen its great ally, the United States, and Danuri’s liftoff took place late on 4 August from the Cape Canaveral launch complex in Florida. A Falcon 9 vector from US tycoon Elon Musk’s SpaceX company was responsible for launching it en route.
The spacecraft took off on the same day that US Congresswoman Nancy Pelosi arrived in Seoul to support the Asian country in maintaining a strong deterrent against North Korea and seeking its denuclearisation. South Korean President Yoon Suk-yeol, who took office on 10 May, had the opportunity to speak to Pelusi by phone, thanking him for his gesture and explaining that Danuri will serve “to boost Korea’s space economy and scientific expertise”.
If the probe succeeds in reaching lunar orbit, the Republic of Korea will become the seventh nation to explore the Moon in situ, as Russia, the United States, China, India, the European Space Agency and Japan have already done. But the South Korean mission is not an isolated initiative. “The first step of our national space exploration programme is the moon,” says Science Minister Lee Jong-ho.
Hyundai and Kia to be on the moon in 2031
The president of the Korea Aerospace Research Institute (KARI), Professor Lee Sang-ryool, has confirmed that “there are technologies we need to improve, but we can travel and land on the moon with our own capabilities”. Seoul aims to launch a lunar surface module together with a small rover by 2031.
And they are already working on it. On 27 July, the car manufacturers Hyundai and Kia signed an agreement with six Korean research institutes to develop robotic technologies to equip the country’s future space rover. The project is joined by Korea’s extensive space business network, which manufactures satellites and even the KSLV-II Nuri launcher, which successfully completed its second successful flight into space from the Naro space centre in southern Korea on 21 October.
Regarding the Danuri probe – also known as the Korea Pathfinder Lunar Orbiter or KPLO – the Korean Ministry of Science and Telecommunications has already verified its proper operational status in orbit and confirmed that “the solar panels are generating sufficient power and all on-board devices are working properly”.
It is being monitored throughout the mission by NASA’s three Deep Space Network communications stations: the US station at Goldstone, California; the Australian station near Canberra; and the Spanish station located in the municipality of Robledo de Chavela, near Madrid. Korea also maintains partial contact with the probe via the large satellite dish it has built in Yeoju, Gyeonggi Province.
Danuri will reach its long-awaited goal by the end of the year and not in about six days, the time it took the Apollo 11 mission in 1969 to travel nearly 400,000 kilometres. The reason is that the South Korean spacecraft does not follow a direct trajectory, which consumes a lot of energy. Instead, it flies in the direction of the Sun. It follows a so-called “lunar ballistic transfer” trajectory with low energy and fuel consumption, until it reaches the so-called Lagrange Point 1 (L1), located 1.56 million kilometres from our Blue Planet, where the Sun’s attraction is balanced by the Earth’s attraction. There it will slow down and be re-routed towards the Moon.
135 days to reach lunar orbit
It is a similar path to that followed by the small American probe Capstone. Weighing 25 kilos and launched into orbit by NASA on 28 June from New Zealand, it is scheduled to reach the moon on 13 November, i.e. it will take 136 days to reach the moon.
If the Danuri mission goes according to the calculations of the KARI engineers, the probe will be captured by the Moon on 16 December after 135 days, i.e. four and a half months after the start of its flight. On 31 December, it will be placed in a circular orbit at an altitude of a hundred kilometres above the lunar surface. Once it has stabilised and the six scientific instruments on board have been checked, the spacecraft will begin observing and collecting data in early January.
One of the instruments has been provided by NASA. It is the ShadowCam camera, an evolution of the one on board the US Lunar Reconnaissance Orbiter probe, launched on 18 June 2009, but about 200 times more sensitive. Its task is to map with a resolution of up to 1.7 metres per pixel the ground of the lunar regions at both poles that are always in shadow. The ShadowCam is intended to locate water ice deposits and other resources to help plan future manned missions and build sustainable bases.
ShadowCam and communications are not NASA’s only contribution. The Agency is providing technical assistance, navigation technologies and, in collaboration with the Korea Electronics and Telecommunications Research Institute, a kind of interplanetary Internet to prevent disruption of transmissions to Earth.
The other four instruments are a magnetometer (KMAG) to track the magnetic field between the Earth and the Moon; a gamma-ray spectrometer (KGRS) to search for spontaneous gamma-ray bursts produced by massive dying stars; a wide-angle polarimetric camera (PolCam) to analyse the properties of grains deposited on the lunar surface. For the descent mission planned for 2031, it incorporates a high-resolution camera (LUTI), which will provide images for KARI technicians to determine the most suitable landing sites.
Scientist's photo of 'distant star' was actually a slice of chorizo – USA TODAY
Étienne Klein, a physicist and research director at France’s Alternative Energies and Atomic Energy Commission, shared the spicy Spanish sausage shot on social media last week, applauding the “level of detail” it provided.
“Picture of Proxima Centauri, the nearest star to the Sun, located 4.2 light years away from us. It was taken by the James Webb Space Telescope. This level of detail … A new world is unveiled everyday,” he posted on Twitter Sunday to more than 91,000 followers.
The first images from the $10 billion telescope – launched Dec. 25, 2021 – went viral throughout July when they were released to the public. The scientific marvel, a joint project involving NASA, the Canadian Space Agency and the European Space Agency, has traveled 1 million miles through space.
A few days after his post, Klein revealed the photo he tweeted was not from the world’s most powerful space telescope. He admitted he tweeted a slice of the reddish, speckled meat.
“When it’s time for the aperitif, cognitive biases seem to have a field day … beware, then, of them,” he played off in further tweets. “According to contemporary cosmology, no object belonging to Spanish charcuterie exists anywhere but on Earth.”
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“I feel compelled to clarify that this tweet showing an alleged snapshot of Proxima Centauri was a form of amusement. Let us learn to be wary of arguments from authority as much as of the spontaneous eloquence of certain images,” he wrote, as translated by Google.
Natalie Neysa Alund covers trending news for USA TODAY. Reach her at firstname.lastname@example.org and follow her on Twitter @nataliealund.
Top Scientist Admits Webb Telescope Star Photo Was Actually Chorizo – PetaPixel
A prominent French physicist is apologizing after admitting that a viral “distant star” photo he shared on Twitter was not actually captured by the $10 billion James Webb Space Telescope (JWST) but was rather just a slice of chorizo pork sausage.
On July 31st, Etienne Klein, research director of the French Alternative Energies and Atomic Energy Commission, tweeted the photo to his 90,000+ followers on Twitter and claimed that it was a new Webb telescope photo showing the closest star to our Sun.
“Picture of Proxima Centauri, the nearest star to the Sun, located 4.2 light years away from us,” Klein wrote in the Tweet (as translated by Google). “It was taken by the James Webb Space Telescope. This level of detail… A new world is unveiled day after day.”
The tweet went viral and was retweeted thousands of times as people marveled at the imaging power of the Webb telescope, which has been wowing the world with never-before-possible space photos, including shots of the oldest galaxies ever observed.
In follow-up tweets, Klein revealed that what he had Tweeted was just a slice of Spanish sausage.
“Well, when it’s cocktail hour, cognitive bias seem to find plenty to enjoy… Beware of it,” Klein writes. “According to contemporary cosmology, no object related to Spanish charcuterie exists anywhere else other than on Earth.
“In view of some comments, I feel compelled to clarify that this tweet showing an alleged snapshot of Proxima Centauri was a form of amusement. Let us learn to be wary of arguments from authority as much as of the spontaneous eloquence of certain images…”
After receiving angry backlash to his tweet, however, the scientist apologized a few days later for spreading “fake news” that confused quite a number of people, stating that it was just a joke that was intended to warn his followers to be cautious about photos seen online.
“I come to present my apologies to those whom my hoax, which had nothing original about it, may have shocked,” he writes. “I simply wanted to urge caution with images that seem eloquent on their own. A scientist’s joke.”
“This is the first time I’ve made a joke when I’m more on this network as a figure of scientific authority,” the physicist later told the Paris-based news magazine Le Point. “The good news is that some immediately understood the deception, but it also took two tweets to clarify, ”explains the researcher.
“It also illustrates the fact that on this type of social network, fake news is always more successful than real news. I also think that if I hadn’t said it was a James-Webb photo, it wouldn’t have been so successful.”
The James Webb Space Telescope launched in December 2021 and officially began making scientific observations on July 12th, 2022. Now the largest optical telescope in space, it is using its unprecedented imaging capabilities to capture pioneering astronomical and cosmological images, including shots of atmospheres of exoplanets as well as the first stars and galaxies created at the beginning of the universe.
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