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Originally posted by JohnPhoenix
Originally posted by muzzleflash
However, as size increases significantly, there is a ratio that gravitational energy felt on the surface would slowly decrease as a result of getting further away from the center of gravity, the Earth core.
So although the amount of overall gravitational energy remains constant, the higher elevations of the expanding surface would cause Less gravity slowly.
So which is it.. gravity related to density or mass?
I don't believe we have any real clue how gravity works. I think scientists are remiss not to consider gravity as being related to electrical energy and magnetic fields. I think this is why mainstream science is missing the mark. In other words, nor mass or density is the final answer.edit on 6-11-2012 by JohnPhoenix because: sp
Originally posted by Jukiodone
We can do equations to explain some facets of Gravity but I'm yet to see an all encompassing one.
The equation highlighted above requires us to "believe" that Gravity is a force.
How can this be??edit on 6-11-2012 by Jukiodone because: (no reason given)
Originally posted by ErtaiNaGia
reply to post by muzzleflash
as size increases significantly, there is a ratio that gravitational energy felt on the surface would slowly decrease
No because the moon has significantly less Mass than the earth. its not a reasonable comparison.
But if you go further away from the center of gravity, gravitational acceleration decreases and therefore weight decreases. Mass remains constant.
Nuh-Uh... you ain't talking your way out of this one.
You explicitly stated that if the EARTH gained mass, that you would WEIGH LESS because you would be farther from the centre of the planet.
You dun goofed... and you are not getting away with it.
Originally posted by rollsthepaul
Earth's size continues to grow and with it, so does it's gravity. There is plasma at Earth's centre that creates matter from energy. The more energy that reaches Earth's core from the Sun, the more Earth expands. At the time of the dinosaurs, a number of them were very tall, over 40 feet. They were able to get blood to their head brain because gravity was much lower on Earth at that time. Today the tallest land animal is the giraffe and it never exceeds 17 feet. An 18 foot giraffe would pass out and fall down due to gravity being too great for it's heart to overcome. This was not the case with say a Brontosaurus, even though it was over 40 feet high. The efficiency and head capacity of a heart, can only stand so much demand for lift and then it stops lifting the blood, at least to the highest elevated point. Scientists are well aware that the Earth is growing and studies have been done to assess the rate. Other celestial bodies also grow, like the planets and Moon. Aliens from big planets tend to be small to adjust to the high gravity. Beings can adjust because planet growth rate is slow. Tall dinosaurs could not exist on Earth today.
I think that you are inferring something different from what muzzleflash said.
He was talking about an increase of diameter with a static mass, which would indeed give a lower weight at the surface.