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What if another earth was orbiting exactly on the other side of the sun....
The same distance from the sun as us...
(it does not matter how, just that it happened).
Originally posted by HomoSapiensSapiens
However, let us hypothesize - say I was writing a brief science fiction novel whereby an identical planet to Earth populated with about 10 billion humans appeared in our solar system by some freak "accident" (it does not matter how, just that it happened).
From the point of view of most of the population of the Earth, a new planet appears out of nothing close to the Moon, shortly after a total lunar eclipse. Over a period of few days the planet appears to consume the Moon. On Earth, the new planet's gravity causes death and destruction as it raises huge ocean tides and causes earthquakes and volcanic eruptions..
Originally posted by mikegrouchy
I see three options, off the top of my head.
1) orbiting perpendicular to the plane of the ecliptic
2) in orbit around Jupiter (or another Gas Giant)
3) Venus (see below)
km radius ------ Body
Notice that Venus practically is Earth already.
Mike Grouchyedit on 12-5-2013 by mikegrouchy because: (no reason given)edit on 12-5-2013 by mikegrouchy because: (no reason given)edit on 12-5-2013 by mikegrouchy because: (no reason given)