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WI the Earth would be a moon of a giant planet



 
 
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Old October 23rd 04, 02:03 PM
Orbitan
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Default WI the Earth would be a moon of a giant planet

"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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