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Related Experiment Video

Updated: May 18, 2026

Effective Analysis of Human Exposure Conditions with Body-worn Dosimeters in the 2.4 GHz Band

Effective Analysis of Human Exposure Conditions with Body-worn Dosimeters in the 2.4 GHz Band

Published on: May 2, 2018

Space radiation protection issues.

Amy Kronenberg¹, Francis A Cucinotta

¹Life Sciences Division, Lawrence Berkeley National Laboratory, 1 Cyclotron Road, Berkeley, CA 94720, USA. a_kronenberg@lbl.gov

|October 4, 2012

Summary

This summary is machine-generated.

Space radiation, including solar particle events and galactic cosmic radiation, presents significant health risks for astronauts. Further research is crucial to reduce uncertainties in cancer and non-cancer late effects for improved space mission safety.

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Area of Science:

Space science
Astrobiology
Radiation biology

Background:

Space radiation environments, composed of charged particles, pose significant health risks impacting space mission design and crew selection.
Uncertainties regarding the biological effects of various ions, both individually and in combination, are a major concern for astronaut health, particularly for late effects like cancer and non-cancer diseases.

Purpose of the Study:

To introduce the principal issues concerning space radiation protection.
To highlight the need for reducing uncertainties in understanding the biological impacts of space radiation.

Main Methods:

This paper reviews the primary components of space radiation: Solar Particle Events (SPE) and Galactic Cosmic Radiation (GCR).
It addresses the composition of SPE (primarily low- to moderate-energy protons) and GCR (broader proton energy range, plus light and heavy ions).

Main Results:

Space radiation comprises two main components: Solar Particle Events (SPE) and Galactic Cosmic Radiation (GCR).
SPE are sporadic and proton-dominated, while GCR is isotropic, less variable, and includes a wider range of ions.
Both SPE and GCR contribute to health risks, with GCR posing additional concerns due to its diverse ion composition.

Conclusions:

Understanding the complex charged particle environments in space is essential for astronaut health and mission planning.
Reducing the high uncertainties in the biological effects of space radiation is a high priority for ensuring crew safety.