[sparklite2]

The hole doesnt need to collapse. Water is H2O. What happens when hydrogen comes into contact with super hot gasses and magma?

These people are scientists?

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How hot does water have to get before it dissociates into hydrogen and oxygen (thermolysis)? That would be 3000 °C.

How hot is magma? Not much more than 1000C. Thermolysis not gonna happen.

Ask not who the fools are,
you’ll just get your feelings hurt.

[crz]

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

It is often the case that those who think they know some things find out that they know nothing.