Tag

Satellite Safety

All articles tagged with #satellite safety

science2 months ago

Expanding Weak Spot in Earth's Magnetic Field Raises Concerns

A growing weak spot in Earth's magnetic field over the South Atlantic, known as the South Atlantic Anomaly, is expanding since 2014, increasing exposure to solar radiation for satellites and astronauts, though no signs of magnetic reversal are detected. This change poses risks to space infrastructure and human spaceflight, emphasizing the need for hardened spacecraft and further study of Earth's magnetic dynamics.

science5 months ago

NASA Monitors Growing Anomaly in Earth's Magnetic Field

NASA is monitoring the South Atlantic Anomaly, a large region of weakened Earth's magnetic field above South America and southwest Africa, which poses risks to satellites and spacecraft. The anomaly is caused by complex geophysical processes, including disturbances from deep Earth structures, and is gradually changing, splitting into two parts. While it doesn't directly affect life on Earth, understanding it is crucial for space operations and studying Earth's magnetic history.

space-science1 year ago

"Enhancing Satellite Safety Through Space-Physics Error Correction"

Researchers have corrected a 50-year-old error in the math used to understand how electromagnetic waves scatter electrons trapped in Earth's magnetic fields, leading to improved models of artificial radiation belts and better predictions of their impact on space technology. The discovery of these errors will help scientists improve their understanding of how high-altitude nuclear explosions could produce artificial radiation belts and impact space technology, potentially leading to better protection for satellites and space assets.