Satellite revisit period

Okay, so imagine you have a toy car, and you want to drive it around a race track to see how fast it can go. But after you finish driving around the track once, you want to do it again to see if you can go even faster, right? That's kind of like what a satellite does when it orbits around the Earth.

A satellite is like a space car that moves around the Earth over and over again. But every time it completes one full orbit, it's called a "rev" or "visit." Just like you want to drive your toy car around the race track more than once, scientists and researchers want satellites to visit certain areas of Earth more than once too.

The time it takes for a satellite to complete one full orbit around the Earth is called the "orbital period." And the time it takes for a satellite to revisit the same spot on Earth is called the "revisit period."

For example, let's say there's a satellite that orbits around the Earth and takes pictures of forests to see how they're changing over time. But because the satellite moves so quickly, it can only take pictures of each forest every 3 days. So the satellite's revisit period is 3 days.

Basically, the revisit period tells you how often a satellite can revisit the same spot on Earth. The shorter the revisit period, the more often the satellite can take pictures or gather data on that area. And that can be really helpful for things like monitoring weather patterns, tracking the movement of icebergs, or even watching for changes in crops.