ELI5: Explain Like I'm 5

Distant retrograde orbit

Okay kiddo, so you know how the Earth goes around the Sun, right? Well, there are some special places in space called Lagrange points where the gravity of the Sun and Earth balance out. It’s kind of like a see-saw where the weight of one side balances the weight of the other.

Anyway, there’s this thing called a distant retrograde orbit which is a type of orbit that goes around the Lagrange points but in a different way than most satellites. Instead of going around in the same direction as the Earth’s rotation, a spacecraft in a distant retrograde orbit goes the opposite way, kind of like walking backwards.

This might seem weird but it’s actually very useful for some missions. For example, spacecraft in distant retrograde orbit can keep an eye on the Sun and constantly monitor its activity without being blocked by the Earth. They can also keep an eye on Earth’s weather and other important things.

So that’s basically what a distant retrograde orbit is, a special type of orbit that goes around the Sun and Earth in a different way than most satellites. It helps scientists observe the Sun and Earth in a different way and gather important data that we need.
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