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NASA's Mars Perseverance snaps a selfie as a Martian dust devil blows by

NASA's Mars Perseverance snaps a selfie as a Martian dust devil blows by

Arab News21-05-2025

CAPE CANAVERAL, Florida: The latest selfie by NASA's Perseverance rover at Mars has captured an unexpected guest: a Martian dust devil.
Resembling a small pale puff, the twirling dust devil popped up 3 miles (5 kilometers) behind the rover during this month's photo shoot. Released Wednesday, the selfie is a composite of 59 images taken by the camera on the end of the rover's robotic arm, according to NASA.
It took an hour to perform all the arm movements necessary to gather the images, 'but it's worth it,' said Megan Wu, an imaging scientist from Malin Space Science Systems, which built the camera.
'Having the dust devil in the background makes it a classic,' Wu said in a statement.
The picture — which also shows the rover's latest sample borehole on the surface — marks 1,500 sols or Martian days for Perseverance. That's equivalent to 1,541 days on Earth.
Perseverance is covered with red dust, the result of drilling into dozens of rocks. Launched in 2020, it's collecting samples for eventual return to Earth from Jezero Crater, an ancient lakebed and river delta that could hold clues of any past microbial life.

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Chinese researchers charged with smuggling toxic fungus into US
Chinese researchers charged with smuggling toxic fungus into US

Al Arabiya

time12 hours ago

  • Al Arabiya

Chinese researchers charged with smuggling toxic fungus into US

Two Chinese scientists have been charged with allegedly smuggling a toxic fungus into the United States that they planned to research at an American university, the Justice Department said Tuesday. Yunqing Jian, 33, and Zunyong Liu, 34, are charged with conspiracy, smuggling, false statements, and visa fraud, the US Attorney's Office for the Eastern District of Michigan said in a statement. Jian is in US custody while Liu's whereabouts are unknown. The Justice Department said the pair conspired to smuggle a fungus called Fusarium graminearum into the United States that causes 'head blight,' a disease of wheat, barley, maize, and rice. The fungus is classified in scientific literature as a 'potential agroterrorism weapon,' it said, and causes billions of dollars in losses each year. It causes vomiting, liver damage, and reproductive defects in humans and livestock, it said. According to the complaint, Jian and Liu, her boyfriend, had both previously conducted work on the fungus in China. '(Liu) first lied but then admitted to smuggling Fusarium graminearum into America... so that he could conduct research on it at the laboratory at the University of Michigan where his girlfriend, Jian, worked,' the Justice Department said. US Attorney Jerome Gorgon Jr described the smuggling of the fungus into the United States as a 'national security' concern and emphasized Jian's membership in the Chinese Communist Party. 'These two aliens have been charged with smuggling a fungus that has been described as a 'potential agroterrorism weapon' into the heartland of America, where they apparently intended to use a University of Michigan laboratory to further their scheme,' Gorgon said. Chinese foreign ministry spokesman Lin Jian said he was not aware of the case when asked for comment at a regular news briefing on Wednesday. 'The Chinese government has always required Chinese citizens overseas to strictly abide by local laws and regulations, and at the same time safeguards the legitimate rights and interests of Chinese citizens overseas in accordance with the law,' he said. US Secretary of State Marco Rubio vowed last week to 'aggressively revoke visas' for Chinese students, a move condemned by Beijing as 'unreasonable' and 'discriminatory.' Kseniia Petrova, a scientist from Russia at Harvard, is facing potential deportation after she failed to declare biological samples in her luggage upon returning from a trip to Paris.

The Indian pilot set for a historic space journey on Axiom-4
The Indian pilot set for a historic space journey on Axiom-4

Saudi Gazette

time20 hours ago

  • Saudi Gazette

The Indian pilot set for a historic space journey on Axiom-4

DELHI — The Axiom Mission 4 (Ax-4), set to take off from Nasa's Kennedy Space Center in Florida next week, will be piloted by an Indian as it soars towards the International Space Station (ISS). Group Captain Shubhanshu Shukla of the Indian air force is among the four-member multi-country crew of Ax-4 that will be spending two weeks on the ISS. The flight, scheduled for 10 June at 08:22 EDT (12:22GMT; 17:52IST), has generated a huge interest in India as Group Captain Shukla will only be the second Indian ever to travel to space and the first to visit the ISS. The trip comes 41 years after cosmonaut Rakesh Sharma became the first Indian to fly to space aboard a Russian Soyuz in 1984. He spent nearly eight days there. Ax-4 is led by former Nasa astronaut Peggy Whitson - a space veteran who has been commander of ISS twice, spent hundreds of days in space and done 10 space walks. 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How a New Planetarium Show Helped Scientists Unlock a Cosmic Secret
How a New Planetarium Show Helped Scientists Unlock a Cosmic Secret

Asharq Al-Awsat

time2 days ago

  • Asharq Al-Awsat

How a New Planetarium Show Helped Scientists Unlock a Cosmic Secret

Scientists have unlocked one of the solar system's many secrets from an unexpected source: a planetarium show opening to the public on Monday. At the American Museum of Natural History last fall, experts were hard at work preparing "Encounters in the Milky Way," a deep dive into our home galaxy shaped by the movements of stars and other celestial objects. They were fine-tuning a scene featuring what's known as the Oort Cloud, a region far beyond Pluto filled with icy relics from the solar system's formation. Comets can hurtle toward Earth from the cloud, but scientists have never glimpsed its true shape. One evening while watching the Oort Cloud scene, scientists noticed something strange projected onto the planetarium's dome. "Why is there a spiral there?" said the museum's Jackie Faherty. The inner section of the Oort Cloud, made of billions of comets, resembled a bar with two waving arms, similar to the shape of our Milky Way galaxy. Scientists had long thought the Oort Cloud was shaped like a sphere or flattened shell, warped by the push and pull of other planets and the Milky Way itself. The planetarium show hinted that a more complex shape could lie inside. The museum contacted the researcher who provided the Oort Cloud data for the show, who was also surprised to see the spiral. "It's kind of a freak accident that it actually happened," said David Nesvorny with the Southwest Research Institute. Realizing they'd stumbled on something new, the researchers published their findings earlier this year in The Astrophysical Journal. The spiral is "a striking shift in our understanding of the outer solar system," planetary scientist Andre Izidoro with Rice University, who was not involved with the study, said in an email. The discovery, relying on data on how celestial objects move and using simulations, will be difficult to confirm with observations. But knowing more about the orbits of distant comets could give scientists some clues, Izidoro said. While putting together the planetarium show, the museum's experts weren't expecting a window into the universe's inner workings. The show, narrated by actor Pedro Pascal, features many vivid scenes that may capture audiences more than the Oort Cloud, said the museum's Jon Parker, including an ongoing merge of the Sagittarius mini galaxy with the Milky Way. No matter how striking and beautiful the visuals of the show, the museum was committed to making it scientifically accurate. That's what created the perfect conditions to stumble upon something new, said the museum's Carter Emmart. "You just never know what you're going to find," Emmart said.

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