ELI5: Explain Like I'm 5

Mars MetNet

Hello little one, have you ever wondered what Mars is like? Well, scientists want to know more about it too, and one way they are doing that is by sending a mission called Mars MetNet.

MetNet stands for 'Metabolic Network', but let's not worry about that big word. Simply put, it means it's a mission that has a bunch of little balloons, like the ones we play with at birthday parties. These balloons are called 'spheres' and they will be sent to Mars to study the planet's atmosphere and weather.

Now, these spheres are special because they are packed full of sensors that can measure things like temperature, humidity, and pressure. They can also take pictures of the landscape as they float around the planet.

Once the spheres reach Mars, they will release themselves from a spacecraft, and they will slowly descend towards the surface, taking measurements all along the way. When they get close enough to the ground, they will pop like a balloon, and their sensors will continue to collect data as they fall to the ground.

Isn't that amazing? By using these little spheres, scientists hope to learn more about the weather patterns on Mars, the planet's climate, and how it compares to Earth. Maybe someday they will even be able to tell us if humans could live on Mars!