Czech radiation sensors aboard Artemis II spacecraft

Radiation sensors developed by Czech company ADVACAM are onboard the Orion spacecraft, which launched Wednesday as part of the Artemis II mission, according to the Czech Aerospace Industry Association.

The MiniPix sensors are designed to measure cosmic radiation and help protect the crew from its effects. Radiation remains one of the most significant risks for missions beyond Earth’s orbit.

Czech industry is contributing to the mission both directly and indirectly, including through the European Space Agency and the broader supply chain.

Other Czech firms are looking even further ahead. Companies Stellar Exploration and Stellar Nuclear are developing a modular nuclear power source that could one day supply energy to bases on the Moon or Mars. A key challenge remains ensuring reliable operation in a vacuum and under extremely low temperatures.