ELI5: Explain Like I'm 5

Transit of Mercury from Mars

Okay kiddo, so sometimes planets move in front of each other in the sky, kind of like when you stand in front of a window and the sun is behind you. This is called a transit.

Now, let's talk about Mercury and Mars. Mercury is a planet that is really close to the sun, and Mars is a planet that is a bit farther away. When Mercury moves in between Earth and the sun, we can sometimes see it pass in front of the sun. This is called a transit of Mercury.

But what about a transit of Mercury from Mars? Well, Mars is farther away from the sun than Earth is, so it doesn't happen very often. In fact, it only happens about once every 13 years!

When it does happen, it means that Mercury is moving in front of both the sun and Mars at the same time. Imagine if you and a friend were standing in front of a big light, and someone held up a small toy in between you and the light. You would both see the toy, right? Well, that's kind of what happens during a transit of Mercury from Mars.

Scientists get really excited about these events because they can learn a lot about the planets' atmospheres and temperatures by studying how much of the sun's light gets blocked during the transit. So, even though it might seem like a small event to us, it's actually a big deal in the world of science!