They've determined this from a rather unlikely source: iron meteorites. Our solar system formed about 4.6 ... should not have been able to "jump" from ring to ring to end up in the outer disk.

At 4.5 billion years old, the Imilac meteorite dates back to the beginning of our solar system. Dr Caroline Smith, Head of Earth Sciences Collections at the Museum, sheds light on the secrets the ...

which explores the solar system and beyond. You can sign up for Launchpad for free here. There is no better place to start explaining what so fascinates me about meteorites than Winston Churchill ...

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Most meteorites are bits of asteroid, which are themselves leftovers from the formation of the solar system. What is the difference between a meteor, a meteorite, a meteoroid and an asteroid?

Then, in 1969, the Murchison meteorite smashed into Australia. One of the oldest known remnants of the pre-Earth solar system, this meteorite played a pivotal role in confirming the presence of ...

Researchers have proposed that Earth may have had a ring system 466 million years ago, during a period of intense meteorite bombardment ... can these 2 solar-powered probes survive?