Scientists have discovered a huge “bubble” in space, uncovering the source of cosmic rays

The unveiling of a colossal ultra-high-energy gamma-ray bubble structure within the Milky Way, coupled with the identification of a cosmic ray accelerator nestled within it, marks a momentous advancement in astrophysics. This groundbreaking discovery, unveiled by the Institute of High Energy Physics of the Chinese Academy of Sciences (CAS), illuminates the enigmatic origins of cosmic rays surpassing 10 Peta-Electronvolts (PeV) in energy.

The presence of such a vast structure hints at intricate and dynamic astrophysical phenomena unfolding within our galaxy. Scientists postulate that the cosmic ray accelerator ensconced within this bubble-like formation continually generates particles exceeding 10 PeV in energy, implying the existence of extreme conditions capable of propelling particles to such extraordinary levels.

The detection of a substantial star cluster near the heart of this cosmic ray accelerator, known as the “O-star association” and “B-star association,” offers valuable insights into potential sources of these energetic particles. The intense radiation and energetic processes emanating from these star clusters may serve as the impetus behind the acceleration of cosmic rays to such high energies.

Furthermore, the revelation of this super cosmic ray accelerator signifies a pivotal milestone in our pursuit to comprehend the origin and essence of cosmic rays within the Milky Way. Through scrutinizing the interior of this structure and observing its interactions with neighboring celestial entities, scientists endeavor to unveil the mechanisms underpinning the production and acceleration of cosmic rays.

The ongoing endeavors of the Large High Altitude Air Shower Observatory (LHAASO) are poised to deepen our understanding of cosmic ray phenomena. With prolonged observation periods and technological advancements, LHAASO is anticipated to unearth additional super cosmic ray accelerators within our galaxy. These discoveries hold the potential to unlock profound insights into the cosmic ray spectrum and address enduring queries regarding their origins and propagation mechanisms.

The unveiling of the colossal ultra-high-energy gamma-ray bubble structure and its associated cosmic ray accelerator signifies a significant stride forward in comprehending high-energy astrophysical processes, heralding the dawn of future breakthroughs in cosmic ray research.

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