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"Mr. 4X" wrote in message ...
WI the Earth would be a moon of a giant planet (simething like Jupiter, or even bigger) orbiting around the Sun at approx. the same distance (~150,000,000 km-s) like in OTL? Would the weather be more complex? Would it automatically have to be more complex? I would guess that the tides would need to be higher. An eclipse would probably not be as rare an event. Would there be bacterial life in the atmosphere of the gas giant seeded from Earth? Would there be any satellites of the gas giant besides Earth? How stable could the orbit of the Earth be around a gas giant at the same Earth-Sun distance as OTL and the same mass, brightness, and age as our solar system's Sun OTL? Could any other ATL inner solar system planets exist besides Earth's gas giant, proceeding from one Earth mass to the largest sub-fusion brown dwarf? (Inner solar system defined as a planet orbiting with a radius at a distance proceeding from just outside the Sun's atmosphere to the asteroid belt.) How small can a gas giant be at the orbital distance of one astronimical unit, with the same stellar brightness and the same radiation and heat input parameters as the sun has, and yet still be able retain the mass that it has from its hydrogen atmosphere over geologic time periods? How large would the rocky and metal core and the rocky and metal plus ice core be of such a planet, given the same ratios of those seen in Jupiter? |
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