Friday 28 March 2025
The calibration of the MAJIS instrument is a crucial step in preparing for its mission to study the Jupiter system. As part of the JUICE spacecraft, MAJIS will be responsible for collecting data on the composition and atmospheres of the moons and Jupiter itself.
Before it can do that, however, the team behind MAJIS had to make sure that the instrument is functioning properly. This involves a series of tests to validate its performance, which includes calibrating its various components.
The calibration process was done using a combination of laboratory experiments and on-ground testing. The team used a setup consisting of five optical channels to simulate the conditions MAJIS will encounter in space. They also employed a variety of methods to test the instrument’s linearity, radiometry, and geometry calibrations.
One of the key challenges facing the team was how to accurately measure the instrument’s performance. This required developing specialized software and algorithms to analyze the data collected during testing. The results were then compared to theoretical models to validate MAJIS’s performance.
The calibration process also involved testing MAJIS’s ability to detect certain wavelengths of light, which is crucial for its mission. The team used a range of materials with known spectral properties to simulate the types of objects MAJIS will encounter in space. This allowed them to fine-tune the instrument’s sensitivity and accuracy.
In addition to the technical challenges, the team also had to ensure that MAJIS was properly integrated into the JUICE spacecraft. This involved coordinating with other teams responsible for different components of the mission.
The successful completion of the calibration process marks a major milestone in the preparation for the JUICE mission. With MAJIS now fully tested and validated, it is ready to embark on its journey to study the Jupiter system. The data collected by MAJIS will provide valuable insights into the composition and atmospheres of these celestial bodies, helping scientists better understand their formation and evolution.
The calibration process was a complex and challenging task that required careful planning and execution. However, the team’s efforts have paid off, and MAJIS is now ready to make its mark on the scientific community.
Cite this article: “Calibrating MAJIS: A Crucial Step in Preparing for the JUICE Mission”, The Science Archive, 2025.
Juice, Majis, Jupiter, Calibration, Instrumentation, Spacecraft, Composition, Atmospheres, Spectroscopy, Validation







