Answer:
Benchmarks
Explanation:
A benchmark is simply an operation or a test to check the performance of something (in this case, a project) to evaluate if it is ready to be used.
Benchmarks are important because they are needed to see if a project is ready and set to be launched.
The planet would be Neptune and Earth's average time is 365.2 days aka a full year (1 year).
The lack of iron makes them crave ice.
