2025-03-08|PBS Space Time

Dr. Matt O'Dowd

I have watched every single episode of PBS Space Time, even before your time. In the latest episode, you stated the following.

Your DNA Is (Almost Certainly) From Outer Space

Carbon dating estimates that Murchison is around 7 billion years old, so a couple of billion years older than even the Sun, meaning that complex organic chemistry would have been occurring in space long before life emerged on Earth.

Your DNA Is (Almost Certainly) From Outer Space
Carbon dating estimates that Murchison is around 7 billion years old, so a couple of billion years older than even the Sun, meaning that complex organic chemistry would have been occurring in space long before life emerged on Earth.

However, here is wisdom from ChatGPT when it's not hallucinating.

Hey! Carbon dating is a method used to determine the age of ancient organic materials. Its limit is typically around 50 000 years. Beyond that, the amount of carbon-14 remaining is too small to measure accurately. This method is mainly used for dating items that are up to around 50 000 years old.

Thank you very much for your attention.

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2025-10-15T17:13:36.000Z