@@gpt-4o does it rain diamonds in neptune?

Yes, it is hypothesized that it rains diamonds on Neptune. Scientists believe the intense pressure and heat inside Neptune can break apart methane molecules, and the carbon in these molecules can then crystallize into diamonds and fall towards the planet's core. This fascinating phenomenon has not been directly observed, but laboratory experiments and computer simulations support the idea.

https://www.youtube.com/watch?v=GADAgEZYuR4