She wasn’t wrong though. It does happen spontaneously in that it is happening without apparent external cause. There is an external cause, the change in pressure, but it is not apparent. And most people are aware that water boils at low pressures at room temps. He even said it was “basic thermo”, so of course a NASA astronaut would know about this basic scientific phenomenon, as would most people.
She wasn’t wrong though. It does happen spontaneously in that it is happening without apparent external cause. There is an external cause, the change in pressure, but it is not apparent. And most people are aware that water boils at low pressures at room temps. He even said it was “basic thermo”, so of course a NASA astronaut would know about this basic scientific phenomenon, as would most people.