The Juice project, short for "Jupiter icy moons explorer", is described as the largest European space research project to date. The journey to Jupiter takes eight years and results from the measurements will not come until the probe has entered the correct orbit around the large moons.

If we were to find amino acids, then it will be a bit Christmas Eve for us, says space physicist Jan-Erik Wahlund. All instruments on board must be protected, partly with heavy lead plates, because Jupiter emits very strong radiation.