Moon Confirmed to Have Solid, Iron-Like Inner Core, Solving Decades-Old Mystery

Imagine the Moon is like a peach!

For a long time, scientists weren't sure what was at its very center.

Some thought it was like jam (liquid), and others thought it was like a hard seed (solid).

A new study used lots of information from space missions and moonquakes to figure it out.

They discovered that the Moon has a solid middle part, like a tiny iron seed, and around that, it has a squishy, liquid part.

This is similar to how Earth is built inside.

Knowing this helps us understand why the Moon used to have a magnetic shield, like Earth does, but lost it a long, long time ago.

It also helps explain why certain things appear in the Moon's volcanic areas.

It tells us the Moon was much more active in its younger days.