Where did it all go?
Hi All
Venus, if it had an Earth scale magnetic field and oceans has been changed dramatically over the last ~ gigayear. David Grinspoon and Mark Bullock are investigating atmosphere-ocean models that would have been stable into near-present day insolation levels, so Venus undergoes one transition from wet and "warm" to dry and HOT...
Stephen Baxter has suggested a more dramatic possibility in which ETs tapped Venus for magnetic energy and killed its hydrosphere to create a sulphur-biosphere for fleets of space-ark biospheres using sullphur-chemitsry. Dramatic, wasteful and just like capitalists...
Adam