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March 17, 2021 New research solves a decades-long riddle: from where do the highest-energy cosmic rays originate? Even supernovae – exploding stars – can’t explain them. Now it seems these sorts of cosmic rays may come from clusters of young, hot, massive stars. Cygnus OB2 is the nearest star-forming region to us. It’s what’s called an OB association, meaning it contains some of the most massive and luminous stars known. Scientists found cosmic rays of the highest energies to originate from this region of space. The colors – green to yellow to red – represent high-energy gamma-ray emission as seen by the HAWC observatory, overlaid on an infrared image from the Spitzer telescope (the white regions). Image via B. Hona (HAWC Collaboration)/ Hora et. al (Spitzer)/ Los Alamos National Laboratory. ....
E-Mail IMAGE: An infrared image of the dust clouds in the Cocoon region taken with the Spitzers Space Telescope s IR photometer. The HAWC TeV gamma-ray excess (color from green to yellow to. view more Credit: TeV: Binita Hona (HAWC Collaboration), IR: Hora et. al, Spitzer s Growing Legacy, ASP Conference Series, 2010, P. Ogle, ed. LOS ALAMOS, N.M., March 11, 2021 A long-time question in astrophysics appears to finally be answered, thanks to a collection of large, high-tech water tanks on a mountainside in Mexico. The High-Altitude Water Cherenkov (HAWC) data shows that the highest-energy cosmic rays come not from supernovae, but from star clusters. ....
Stoke-on-Trent Live David Coughtrie has admitted breaching a sexual harm prevention order (Image: STOKE SENTINEL) Want Stoke-on-Trent news emailed to you direct from our journalists? Sign up to our newsletterInvalid EmailSomething went wrong, please try again later. Subscribe When you subscribe we will use the information you provide to send you these newsletters. Sometimes they’ll include recommendations for other related newsletters or services we offer. OurPrivacy Noticeexplains more about how we use your data, and your rights. You can unsubscribe at any time. Thank you for subscribingWe have more newslettersShow meSee ourprivacy notice Sex offender David Coughtrie will appear at Stoke-on-Trent Crown Court accused of breaching a court order. ....