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Was the moon closer to earth in the recent past?
According to Velikovsky, some research suggests the ancient Babylonians and others saw the moon as being nearly as bright and nearly a third larger in reference to the sun. With all the cratering on the moon, I 'm wondering if anyone has ever calculated how much it's orbit was changed due to those impacts. How do we know when that cratering/impacts occurred?
"A Brighter Moon
Many traditions persist that at some time in the past the Moon was much brighter than it is now, and larger in appearance than the Sun."
"In order that the Sun and the Moon should give off comparable light, the Moon must have had an atmosphere with a high albedo (refracting power)(5) or it must have been much closer to the earth. In the latter case the Moon would have appeared larger than the Sun. In fact, the Babylonian astronomers computed the visible diameter of the Sun as only two-thirds of the visible diameter of the Moon, which makes a relation of four to nine for the illuminating surfaces. This measure surprised modern scholars, who are aware of the exactness of the measurements made by the Babylonian astronomers and who reason that during the eclipses one can easily observe the approximate equality of the visible disks.(6) "
I don't think the reference says the moon was brighter than the sun...just that it was brighter than today which means it was closer to earth.
My main question is whether anyone has ever calculated how much the impacts altered the orbit of the moon and how do we know when they occurred. Rock samples?
7 Answers
- 1 decade agoFavorite Answer
The Moon is drifting away from us at a rate of 3.8 centimeters a year. So, it is impossible to see any difference in the Moon size in the past many thousands of years.
- EdesignerLv 61 decade ago
Hey Paul...Like so many of the other object in space the distance from any one to another is constantly changing ..Its not much but an ellipse that is askew always is closer and farther. Now our moon is ,like you said covered in object strikes , which are so varied In size and shape it would be a leap of faith to declare for certain when and of course what order they were placed there. Forensic analysis of dispersal media can tell us a lot but when ,well I'm not so sure .If we knew a baseline for some vector response it would be pretty easy to acquire a response to a strike but in most cases the resultant is so small it just is insignificant. Did it alter the orbit ? you bet it did how much not much! Has the moon been closer ? According to some yes ,very close .Some say it was a chip off the earth from a collision of a large free body that solidified later..Was it brighter yes much brighter but since its only a reflector its only as bright as the power source...Everything is changing even the shape of the universe and every thing in it. Nothing is the same tonight as this morning and tomorrow different still. Experiment with the physical planes of the planetary systems look for the threads of time. Maybe you will find them ...Send me a note if you work it out...I promise to be open to reading it...From the e...
- 7 years ago
What if the moon was closer and more recently than we think? The theory of Pangaea that all the continents were joined and located in one giant land mass and the moon located directly over it in a geo sink orbit causing them to be pulled together by the moons gravity being focused in one general spot. This would also account for larger animals flourishing and large heavy structures being built with impossible feats of engineering. Things just would not weigh the same as they do now. Large stone buildings could be built with a lot less effort. Then a cosmic event like a large meteor or something hits the moon and drives it out of its geo sink orbit causing it to move away from the earth increasing the earth’s own gravity on its inhabitants. This would kill off large animals under their own weight. Animals that would survive would have to adapt fast or live in the water. Structures built in such a way that would collapse under its own weight, except the pyramids. The added pull would make that structure stronger hence the fact that pyramids are still here. With no focused gravity on the continent, the plates would eventually drift apart due to the more even pull around the earth from a non geo slinked orbit of the moon. Just speculating
- 1 decade ago
Unless the Babylonians and others where around millions of years ago, which they weren't, then there is no way the moon appeared much larger than it does today. The moon has been slowly moving away from the Earth, it's been doing it for billions of years, however it's less than an inch per year. The difference between now and when the Babylonians were around is going to be less than 100 yards.....given it's about 240,000 miles to moon, it's not going to be a noticeable difference. So NO, the moon has not been much closer in the recent past.
- lithiumdeuterideLv 71 decade ago
Absolutely ridiculous. These observers are substituting flowery language for scientific measurements. Who can blame them? The scientific method probably didn't exist at the time the observations were made.
The Moon cannot possibly be brighter than the Sun, because it doesn't generate any of its own light. It merely reflects the light of the Sun.
As for the Moon being closer, yes it was slightly closer a few thousand years ago. Tidal forces cause Earth's angular momentum to be gradually transferred to the Moon, slowing Earth's rotation, and boosting the Moon into a higher orbit. The Moon is receding at about 22 millimeters per year. That means 3000 years ago, it was about 66 meters closer than it is today. That's a change of 66 meters relative to its average distance of 385,000,000 meters. Such a small change would be quite undetectable without precision instruments (the retroreflectors astronauts left on the Moon).
- ?Lv 61 decade ago
Yes, the moon was very much closer to Earth long ago, especially just after it formed from the debris left over from the Mars-sized object that impacted Earth. At that time, the moon was as close as 10,000 miles from Earth's surface. Since then it's been receding from Earth with a current recession rate of just over 3 cm/year.
- 1 decade ago
The Moon has been moving away from the ?Earth (mean distance) since if formed
The Moon's orbit it elliptical, it's distancve varies from about 350,000km to 409,000km every month.