Cosmic Rays

Discovery of a Mini Halo in the Early Universe Reveals Hidden Energetic Forces

by
Astronomers have discovered a mini halo in the early universe—a vast, faint cloud of high-energy particles surrounding a distant galaxy cluster, some 10 billion light-years from Earth.

An Ancient Signal, 10 Billion Years in the Making Astronomers have discovered a mini halo in the early universe—a vast, faint cloud of high-energy particles surrounding a distant galaxy cluster, some 10 billion light-years from Earth. This marks the most remote mini halo ever observed, twice as far as any previously known. The finding not … Read more

Voyager Power Conservation: Extending a Legacy of Deep Space Exploration

by
The Voyager missions, icons of human ingenuity and exploration, continue to push the boundaries of our understanding of the cosmos.

Introduction: The Voyager missions, icons of human ingenuity and exploration, continue to push the boundaries of our understanding of the cosmos. After nearly 50 years of traversing the vast expanse of space, NASA’s Voyager 1 and 2 spacecraft are facing a new challenge: dwindling power. In a strategic move to prolong these historic missions, NASA … Read more