Science

WASHINGTON — NASA’s Mars 2020 spacecraft is operating “perfectly” ahead of its Feb. 18 landing on Mars that will be a key milestone for the agency’s future Mars exploration plans. The spacecraft is scheduled to land the rover Perseverance on the surface of Jezero Crater on Mars at about 3:55 p.m. Eastern Feb. 18. That
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We could be on the cusp of the greatest single expansion of our known chemical universe in history. That’s thanks to a new accelerator in Michigan is going to double the number of known isotopes. This short video introduces the $750m Facility for Rare Isotope Beams (FRIB), which will come online at Michigan State University in
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Parity violation pioneer: Chien-Shiung Wu is featured on a US stamp. (Courtesy: USPS) The US Postal Service (USPS) has issued a commemorative stamp honouring the Chinese-American physicist Chien-Shiung Wu. The 1957 Nobel Prize for Physics was shared by Chen Ning Yang and Tsung-Dao Lee “for their penetrating investigation of the so-called parity laws which has
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Jim McClelland: “I give a lot of credit to the cubesat guys.” WASHINGTON — Technological advances in small satellites are helping improve spacecraft designs and pushing the industry to take more risks, Jim McClelland, vice president of mission architecture at Maxar Technologies, said Feb. 10 at the SmallSat Symposium. “It’s been a very exciting transformation
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SAN FRANCISCO – Intelsat SA announced a reorganization plan Feb. 12 to reduce the Luxembourg-based communications satellite fleet operator’s debt from nearly $15 billion to $7 billion. Creditors responsible for approximately $3.8 billion of Intelsat’s debt have approved Intelsat’s plan and the company is seeking approval from additional creditors, according to a Plan of Reorganization
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A new generation of CMOS image sensors now rivals the performance of state-of-the-art photon detectors for optical telescopes, while also operating at higher speeds and over a wider dynamic range Into the light: CMOS image sensors can now rival the performance of state-of-the-art light detectors for ground-based optical telescopes. (Courtesy: ESO/C Malin (christophmalin.com)) Ground-based astronomy
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York Space Systems chairman Charles Beams disagrees with ULA CEO’s Tory Bruno’s assessment of the state of the launch industry There has been a flurry of speculation recently that too much investment is being poured into risky launch ventures, creating a speculative bubble in the launch services sector. Critics, government consultants, and even some military
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After conversion of a standard clinical linac, it can deliver a FLASH beam with a dose rate 3000 times higher than used for conventional radiation treatment. (Courtesy: Brian Pogue) Researchers from Dartmouth have developed a method to convert a standard clinical linear accelerator (linac) used for radiation therapy to deliver a FLASH-capable, ultrahigh-dose rate (UHDR)
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By Allison Kubo Hutchison You are enjoying a sunny beach day, showing off a new swimsuit. You take a dip in the water, you feel something brush your foot. You look down and it’s a trilobite. Your first panicked thought: Do trilobites bite? Other than the fact that trilobite went extinct 252 million years ago,
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