Early solar system was shaped like a donut, meteorite research shows

You are probably familiar with what the solar system looks like today. There are eight officially recognized planets that are more or less in the same plane and orbit the sun. But have you ever thought about what it looked like billions of years ago? Back then, things were very different.

We used to think that the early solar system looked a bit like a dartboard, with concentric rings of material circling our sun. But a team of researchers now suggests that the early solar system actually looked more like a doughnut. They’ve determined this using a rather unlikely source: iron meteorites.

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