The microquasar V4641 Sagittarii (V4641 Sgr), located within the Milky Way, has been found to emit gamma photons with ...

"Significantly, the V4641 Sgr microquasar turns out not to be unique. Extremely energetic photons are meanwhile detected not only from this but also from other microquasars, detected by the LHAASO ...

Read the paper: Ultra-high-energy gamma-ray bubble around microquasar V4641 Sgr SS 433 is an extraordinary object, highlighted by British science-fiction author Arthur C. Clarke as one of his ...

But a new study has traced some of these high-energy photons to an object much closer to us. V4641 Sagittarii is a system about 20,000 light-years from Earth, in the direction of the constellation ...

Let's first look at the closest black hole to Earth, called V4641 Sgr for the star that orbits it. Black holes, by definition, are invisible, so astronomers usually find them by the stars and gas ...

Beneath the shiny veneer of SGR is a tale of pain and anguish for a multitude of Kenyans. [Paul Wafula, Standard] The Standard Gauge Railway has made the journey from Kenya's capital Nairobi to ...

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The Kenya Railways Corporation has defaulted on a Sh167.5 billion loan borrowed from China through the Treasury to build the standard gauge railway (SGR), shifting the spotlight on the financial ...

New preclinical data on PRMT5-MTA inhibitor program will also be presented NEW YORK, October 23, 2024--(BUSINESS WIRE)--Schrödinger (Nasdaq: SDGR) today announced new preclinical data on SGR-3515 ...

More information: R. Alfaro et al, Ultra-high-energy gamma-ray bubble around microquasar V4641 Sgr, Nature (2024). DOI: ...

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Sources of high-energy cosmic rays in the vicinity of the microquasar V4641 Sag, on the left with energies above a teraelectronvolt, on the right – hundreds of teraelectronvolts. The location of ...