The author might begin like a fairy tale.... " A long, long time ago, when ....
When a reader makes inferences based on the details provided, it means
that they are able to understand the narrative or plot within the story
that they are reading on a deeper level based on their own
interpretations and experiences.
Differences: Earth is 8 times as dense as Saturn. Saturn has more mass than Earth. Saturn is 9 times bigger than Earth. Earth takes 24 hours to complete a day, while Saturn takes 10 hours and 32 minutes. A year on Earth is, well, 1 year, while a year on Saturn lasts 30 years.
Similarities: Earth and Saturn have the similar gravity.
Usually, you will find the strongest pieces of evidence in the body paragraphs.