TASK DEFINITION: Given scientific fact as input, generate the question from this fact such that it can be answered from the input.
PROBLEM: In science, theory is supported by much evidence, widely accepted by credible scientists, and unlikely to be disproved.

SOLUTION: In science, what is supported by much evidence, widely accepted by credible scientists, and unlikely to be disproved?

PROBLEM: A collapsing nebula leads to nuclear fusion process.

SOLUTION: A collapsing nebula leads to what process?

PROBLEM: Constant random motion trait of particles causes even cold objects to have some thermal energy.

SOLUTION:
Which trait of particles causes even cold objects to have some thermal energy?