>>12624416Who told you it had no atmosphere? You think water is annihilated when it touches lava?
It had very thick steam, nitrogen and CO2 atmosphere
>>12625597the dominant theory means fuckall
Lamarckism, Luminiferous Aether and Ptolemaic geocentrism were once the dominant theories
cometary water analyzed by Rosetta is deuterium oxide enriched compared to terrestrial water
of course, we don't know if all comets are the same, but it seems to be likely that most of the hydrogen and oxygen was actually just picked up as the Earth was forming from cosmic dust
