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For Thomas Crooks, the suburban Pittsburgh nursing home where he served meals and washed dishes for $16 an hour was another solitary corner of a nearly invisible life. He was polite but distant, a former co-worker said, ate lunch alone in the break room and rarely spoke with anyone. But as western Pennsylvania geared up last week for the boisterous spectacle of hosting a rally for former President Donald J. Trump, Mr. Crooks approached his bosses with a request, law enforcement officials said: He wanted to take Saturday off. It was one of the few hints to emerge so far that the 20-year-old engineering sciences graduate was planning to become a political assassin. Mr. Trump suffered an injury to his ear, and three spectators were wounded, one of them fatally.

Persons: Thomas Crooks, Donald J, Trump, Crooks Organizations: Secret Service Locations: Pittsburgh, Pennsylvania

☆ Scientists a step closer to unraveling mystery of sun’s magnetic field
▼ + stars: | 2024-05-22 | by ( Katie Hunt | ) edition.cnn.com time to read: +5 min

In contrast to previous research that assumed the sun’s magnetic field originates from deep within the celestial body, they suspect the the source is much closer to the surface. This view of the sun's magnetic field was generated by NASA's Solar Dynamics Observatory. NASA/GSFC/Solar Dynamics ObservaModeling the sun’s magnetic fieldIt’s difficult to see the sun’s magnetic field lines, which loop through the solar atmosphere to form a complicated web of magnetic structures far more complex than Earth’s magnetic field. To better grasp how the sun’s magnetic field works, scientists turn to mathematical models. Like the 11-year solar magnetic cycle, torsional oscillations also experience an 11-year cycle.

Persons: Galileo, ”, Daniel Lecoanet, ” Lecoanet, “, Lecoanet, Geoff Vasil, Ellen Zweibel, Zweibel Organizations: CNN, Northwestern University’s McCormick School of Engineering, Center for Interdisciplinary Exploration, Research, Astrophysics, NASA's Solar Dynamics, NASA, Dynamics, University of Edinburgh, University of Wisconsin Locations: United Kingdom, Madison

☆ Huge ancient solar storm revealed by tree rings in French Alps
▼ + stars: | 2023-10-09 | by ( Will Dunham | ) www.reuters.com time to read: +5 min

Researchers said on Monday the solar storm - the sun sending a large burst of energetic particles into space - occurred 14,300 years ago. Nine such extreme solar storms now have been identified using tree-ring radiocarbon evidence, with the most recent in 774 and 993 AD. The largest directly observed solar storm, called the Carrington Event, occurred in 1859, wreaking havoc on telegraphs and creating a nighttime aurora so bright that birds sang as if the sun was rising. The effects of solar storms can disable electronics. "If similar solar storms happened today, they could be catastrophic for society, as we are so reliant upon technology," Heaton said.

Persons: Cecile Miramont, eked, Tim Heaton, Heaton, Edouard Bard, Cécile Miramont, Will Dunham, Rosalba O'Brien Organizations: REUTERS, University of Leeds, Engineering Sciences, Marseille University, Thomson Locations: Gap, Handout, England, France, paleoclimates, Aix, Washington

“Now, we have a better understanding of the kind of benefits that operating in cislunar space can bring countries back home.”Though definitions sometimes differ, cislunar space generally refers to the space between Earth and the moon, including the moon's surface and orbit. In 2021, Holzinger co-authored a report titled “A Primer on Cislunar Space“ to help U.S. government officials understand the ins and outs of cislunar space. That interest is apparent: Last year, the Space Force identified cislunar operations as a development priority, and in April established the 19th Space Defense Squadron to oversee cislunar space. In November, the White House released its own strategy for interagency research on "responsible, peaceful, and sustainable exploration and utilization of cislunar space." Together, these factors could make it difficult to manage traffic in cislunar space, particularly if adversaries intentionally try to mask their activities there.

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