During the uncrewed Artemis I mission in late November and early December 2022, Orion traveled around the Moon carrying more than 10,000 tiny crystals embedded inside two human-shaped mannequins. These devices recorded radiation exposure throughout the journey. Among them were several dozen experimental fluorescent lithium fluoride detectors created by scientists at the Institute of Nuclear Physics of the Polish Academy of Sciences (IFJ PAN) in Cracow. The researchers have now described a new method for analyzing the information stored in these crystals, offering insights into both cosmic radiation levels and the performance of the detectors. Their findings were published in the journal Radiation Measurements. "The fluorescent radiation dose detectors based on lithium fluoride, developed at our institute, are passive in nature. In other words, they work like photographic film: once the crystals have been exposed to radiation, the tracks left by individual particles must be analyzed optically under a microscope," explains Prof. Pawel Bilski (IFJ PAN), one of the co-authors of the paper. How Tiny Crystals Detect Cosmic Radiation The lithium fluoride detectors work by capturing microscopic changes caused by radiation. When electrically charged particles pass through a crystal, they disrupt its internal atomic structure, creating defects known as color...

During the uncrewed Artemis I mission in late November and early December 2022, Orion traveled around the Moon carrying more than 10,000 tiny crystals embedded inside two human-shaped mannequins. These devices recorded radiation exposure throughout the journey. Among them were several dozen experimental fluorescent lithium fluoride detectors created by scientists at the Institute of Nuclear Physics of the Polish Academy of Sciences (IFJ PAN) in Cracow. The researchers have now described a new method for analyzing the information stored in these crystals, offering insights into both cosmic radiation levels and the performance of the detectors. Their findings were published in the journal Radiation Measurements. "The fluorescent radiation dose detectors based on lithium fluoride, developed at our institute, are passive in nature. In other words, they work like photographic film: once the crystals have been exposed to radiation, the tracks left by individual particles must be analyzed optically under a microscope," explains Prof. Pawel Bilski (IFJ PAN), one of the co-authors of the paper. How Tiny Crystals Detect Cosmic Radiation The lithium fluoride detectors work by capturing microscopic changes caused by radiation. When electrically charged particles pass through a crystal, they disrupt its internal atomic structure, creating defects known as color...

Cracow, late sunday evening. 18.10.2026. France vs. Poland tonight.

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