High Energy Stereoscopic System (HESS) Observatory

Recent findings from Namibia’s High Energy Stereoscopic System (HESS) observatory have revealed the most energetic cosmic rays to date. These cosmic rays exhibit energies of up to 40 teraelectronvolts (TeV), which is 40,000 times more potent than visible light. The research, published in Physical Review Letters, indicates that these rays lose energy during their journey through space, which loss occurs due to interactions with light and magnetic fields.

Sources of Cosmic Rays

The sources of these high-energy cosmic rays remain a mystery. However, scientists believe they originate from a few locations near our solar system. These sources are likely no more than a few thousand light-years away. This distance is relatively small compared to the vastness of our galaxy.

Breakthrough Detection

The HESS team achieved milestone by detecting the highest-energy electrons and positrons ever recorded. Positrons are positively charged counterparts of electrons. This detection suggests the existence of powerful cosmic events capable of generating immense energy. Such findings enhance our understanding of the extreme processes that produce high-energy cosmic rays.

Effects on Technology

While cosmic rays are intriguing, they pose challenges for technology. They can interfere with satellites and other electronic equipment. This interference can lead to electronic malfunctions.

Studying cosmic rays is crucial for understanding larger cosmic phenomena. Such phenomena include star explosions, pulsars, and black holes. gained from these studies can deepen our knowledge of the universe.

Important Facts for Exams:

1. HESS – The High Energy Stereoscopic System (HESS) is an observatory in Namibia. It focuses on detecting high-energy cosmic rays, enhancing our understanding of cosmic phenomena.
2. TeV – A teraelectronvolt (TeV) is a unit of energy. Cosmic rays detected by HESS reach energies up to 40 TeV, surpassing the energy of visible light.
3. Positrons – Positrons are the positively charged counterparts of electrons. Their detection indicates powerful cosmic events, providing vital information about the extreme processes behind high-energy cosmic rays.
4. Victor Hess – Victor Hess was an Austrian physicist. He discovered cosmic rays in 1912, revealing their origins from various sources, including the sun and supernovas.

Month: Current Affairs - December, 2024

Category: Science & Technology Current Affairs