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 ...

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 ...

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

Microquasars are now known to emit incredibly high-energy photons, challenging old theories of cosmic radiation solely from distant quasars and changing our study of galactic phenomena. Credit: ...

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 ...

Kampala was hesitant to implement the SGR protocol by constructing the railway line from Uganda's capital to Malaba before Nairobi extended its line to the border. However, the Jubilee ...

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