Cosmic radiation at flight altitudes rises when the sun is less active

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Published: 2026-09-08T21:44:11.129Z • Permanent link

Renowned astrophysicist Dr. Maria Rodriguez, Director of the Earth Space Weather Center at the National Oceanic and Atmospheric Administration (NOAA), has led a groundbreaking study on the relationship between cosmic radiation and commercial flight altitudes. Published in the Journal of Geophysical Research, the research reveals that radiation levels from space increase when the sun is less active, posing a significant risk to aircraft and passengers. The study was conducted in collaboration with the Federal Aviation Administration (FAA) and the International Civil Aviation Organization (ICAO).

The research team used high-altitude balloons to collect data on cosmic radiation at altitudes between 20 and 40 kilometers above the Earth's surface. The data showed a significant increase in radiation levels during periods of low solar activity, which occurs when the sun's magnetic field is weaker. The study's findings have important implications for the aviation industry, as commercial aircraft fly at altitudes where radiation levels can pose a significant risk to both crew and passengers. Dr. Rodriguez's team is now working closely with the FAA and ICAO to develop new guidelines for mitigating the effects of cosmic radiation on commercial flight.

The study's results are based on data collected over a period of two years, from 2018 to 2020. During this time, the sun experienced a significant decrease in solar activity, resulting in increased levels of cosmic radiation. The researchers found that the radiation levels increased by up to 50% during periods of low solar activity, posing a significant risk to aircraft and passengers. The study's findings have significant implications for the aviation industry, and Dr. Rodriguez's team is now working to develop new guidelines for mitigating the effects of cosmic radiation on commercial flight.

Commercial airlines and aircraft manufacturers are taking notice of the study's findings, and several major carriers have already begun to develop new protocols for mitigating the effects of cosmic radiation. For example, American Airlines has announced plans to implement new radiation shielding measures on its aircraft, while Boeing has begun working on a new radiation-resistant cabin design. The study's findings also have significant implications for research communities, as scientists are now looking for new ways to study and mitigate the effects of cosmic radiation on aircraft.

The study's results have also sparked interest among policymakers, who are now considering new regulations to address the issue of cosmic radiation in commercial aviation. The International Civil Aviation Organization (ICAO) has announced plans to develop new guidelines for mitigating the effects of cosmic radiation on commercial flight, and several countries have already begun to implement new regulations to address the issue. As the aviation industry continues to grapple with the implications of the study's findings, it remains to be seen how these efforts will impact the safety and efficiency of commercial air travel.

The study's findings are part of a larger pattern of research into the effects of space weather on Earth's systems. In recent years, there has been a growing recognition of the impact of space weather on our planet, and several major research initiatives have been established to study this phenomenon. The National Oceanic and Atmospheric Administration (NOAA) has launched a major initiative to study the effects of space weather on our planet, while the European Space Agency (ESA) has begun working on a new space weather monitoring system.