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Originally posted by poet1b
It is also very strange that we have such a large moon in proportion to the size of our planet. Our moon is as large as Mercury, and Pluto, and any of the moons of Saturn or Jupiter or Neptune, or very close in size, if my memory serves me correctly. Hold on, I'll check my poster on the solar system. Jupiter and Saturn both have one moon slightly larger than our own. Considering the size of our planet, that seems pretty strange. We are essentially a double planet system. although our moon does not have atmosphere, while the large moons of Jupiter, Saturn, and Neptune. Well, my poster says Saturn's moon has an atmosphere, but I am not sure about the large moons of Jupiter and Neptune.
Originally posted by 44soulslayer
I know it seems like a coincidence, but there's probably a scientific reason for it.
All the matter within our solar system originated from the remnants of a previous dying star. When that star went supernova, the explosion of material outwards created the solar system. Now at this time, the gravitational forces exerted between celestial bodies would have aligned them into the perfect orbits we see today.
Originally posted by 44soulslayer
I don't think its a coincidence; I think the configuration of the solar system is the only possible stable variation and has thus survived. If the moon were any further away, it would trail away from the earth. If the moon were any closer, it would pull into the earth. Same for the earth and sun.
If gravity were the only force to be reckoned with, then this spot would be the only place in the Earth-Moon system where the opposing forces cancel. But Earth and the Moon orbit a common center of gravity, which lives about a thousand miles beneath Earth's surface along the length of an imaginary line connecting the center of Earth to the center of the Moon.
Originally posted by 44soulslayer
I know it seems like a coincidence, but there's probably a scientific reason for it.