Tag #X-Rays

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edition.cnn.com

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May 28, 22:12

Discovery of X-ray Emission from a Long-Period Transient Challenges Existing Stellar Evolution Theories

Astronomers using the ASKAP radio telescope and Chandra X-ray Observatory discovered ASKAP J1832-0911, a celestial object emitting two-minute-long bursts of radio waves and X-rays every 44 minutes, located 15,000 light-years from Earth; this unique behavior challenges existing theories of stellar ev...

Discovery of X-ray Emission from a Long-Period Transient Challenges Existing Stellar Evolution Theories

Astronomers using the ASKAP radio telescope and Chandra X-ray Observatory discovered ASKAP J1832-0911, a celestial object emitting two-minute-long bursts of radio waves and X-rays every 44 minutes, located 15,000 light-years from Earth; this unique behavior challenges existing theories of stellar ev...

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Industry, Innovation, and Infrastructure

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What is the significance of the discovery of X-ray emissions from ASKAP J1832-0911, and how does it alter our understanding of long-period transients?

Astronomers have discovered ASKAP J1832-0911, a celestial object emitting bright flashes of radio waves and X-rays every 44 minutes. This is the first time X-rays have been detected from a long-period transient (LPT), a recently identified class of cosmic objects. The discovery challenges existing theories about magnetars and white dwarfs, suggesting a new type of celestial object or physics.

dailymail.co.uk

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May 13, 16:11

CT Scans Linked to 100,000+ Future Cancers in the US

A JAMA Internal Medicine study estimates that 93 million CT scans performed in the US in 2023 could cause over 100,000 future cancers, highlighting the need for doctors to carefully weigh the risks and benefits before ordering scans.

CT Scans Linked to 100,000+ Future Cancers in the US

A JAMA Internal Medicine study estimates that 93 million CT scans performed in the US in 2023 could cause over 100,000 future cancers, highlighting the need for doctors to carefully weigh the risks and benefits before ordering scans.

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Good Health and Well-being

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How does the risk of scan-induced cancer vary across different body regions and patient demographics, based on the JAMA Internal Medicine study?

The study in JAMA Internal Medicine shows a direct link between CT scans, particularly abdominal, pelvic, and chest scans, and increased cancer risk. For every 930 CT scans, one additional cancer case is estimated, emphasizing the need for more judicious use of this technology. The risk is heightened for children, even with lower radiation scans.

us.cnn.com

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May 28, 22:12

Discovery of X-ray-Emitting Long-Period Transient Challenges Stellar Evolution Theories

Astronomers detected ASKAP J1832-0911, a celestial object 15,000 light-years away, emitting bright flashes of radio waves and X-rays every 44 minutes; this is the first X-ray detection associated with a long-period transient (LPT), challenging existing theories on stellar evolution and suggesting a ...

Discovery of X-ray-Emitting Long-Period Transient Challenges Stellar Evolution Theories

Astronomers detected ASKAP J1832-0911, a celestial object 15,000 light-years away, emitting bright flashes of radio waves and X-rays every 44 minutes; this is the first X-ray detection associated with a long-period transient (LPT), challenging existing theories on stellar evolution and suggesting a ...

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What is the significance of the discovery of ASKAP J1832-0911, and what immediate implications does it have for our understanding of cosmic objects?

Astronomers have discovered ASKAP J1832-0911, a celestial object emitting bright flashes of radio waves and X-rays every 44 minutes. This is the first time X-rays have been associated with a long-period transient (LPT), a recently identified class of cosmic objects. The discovery challenges existing theories about stellar evolution and suggests a new type of celestial object or a new model of stellar evolution.

Showing 1 to 3 of 3 results