Read the excerpt from "Exploring Mars.” The rover sent back many photos. One of them seemed to show a rat. Scientists said the "rat" was just a rock with a strange shape. But this didn't stop the story from spreading. The Mars rat became famous. In fact, people have been imagining strange sights on Mars for hundreds of years. Read the excerpt from "Exploring Mars.”

The rover sent back many photos. One of them seemed to show a rat. Scientists said the "rat" was just a rock with a strange shape. But this didn't stop the story from spreading. The Mars rat became famous. In fact, people have been imagining strange sights on Mars for hundreds of years.

What personal, real-world experience could readers most likely relate to this excerpt?