![Request for Information – Potential [Placeholder for Prize]](https://assets.science.nasa.gov/dynamicimage/assets/science/missions/a-step/FFR_Earth_Background_20251120%20.png?w=1024)
Cracks in the sea ice are a not-so-gentle reminder that the ice can be extremely dynamic, and researchers should be prepared for anything.
The MOSAiC Floe
Central to the entire MOSAiC Expedition is the MOSAiC Floe: a large sheet of sea ice that was carefully selected as the ideal place to anchor Polarstern for an entire year.
Farewell to Leg 2—Now Our Work Begins
The MOSAiC Leg 3 team is officially on board the Polarstern, and science activities have quickly begun.
The (Historic) Journey To Polarstern
Standing just a few meters from the sea ice, one can see just how dynamic, variable, and beautiful the ice cover can be.