Answer:
It shows the time scientists used to look for information about Jupiter's climate.
Explanation:
Right at the beginning of the text, the author shows that scientists have spent more than a century researching the reasons that lead Jupiter to have such a strong climate. In this way, the author shows, subjectively, that there was little information about Jupiter in the scientific community, which justifies such a long research.
A simile can be found when using "like" or "as" between two things. Example: I'm as happy as a clown.
Your question would be a metaphor. Both things are being compared to a science expieriment, probably meaning that they need to have an outcome, but it isn't known for sure if it will be a good or bad outcome.
Things like this can be taken many ways, so if you think something else, I'm sure it would work as well.
<span>a comparison of two sets of events, ideas, and things</span>
Explanation:
The spring didn't come in the garden of the Giant because of his selfish nature. He was very selfish and didn't allow any children to come and play in his garden. It was because of this reason that Spring arrived in all the places leaving behind the Giant's place.