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It's the first sentence of the abstract you linked.
Show me where this is quoted in the paper (sorry, I don't see it)
It isn't exactly an equation. It's a rate of change and there is nothing to "solve". It's very simple math to apply the rate of change to the current eccentricity to come up with the annual percentage of change. It's called division.
That is why I am asking, "How are you qualified to solve this equation", and "Why we should trust your answer"
Precession of the equinoxes, the change in the orientation of Earth's axis was first noted by Hipparchus (190 BC – c. 120 BC). It has nothing do to with the orientation of the horns of the Moon because it does not change the actual tilt of the Earth's axis.
This has been discovered since the late 1800s.
Precession is quite well understood. It can be observed in a toy gyroscope and it affects any rotating body in a gravitational field.
The exact cause of the wobble in Earth's polar motion has stumped the hell out of scientists through out the years with only a few agreeing on the actual cause.
Yes. But not because the tilt of the Earth is changing, only it's orientation to the stars.
The wobble effects both astronomers and celestial navigation. Navigators' star charts have to be updated to show the new reference point for the geographic North and South poles ever so often.
Or perhaps it can be explained by people not being as observant as they think they are.
That might explain all the apperant weird moon phenomena and people claiming that the constalations are moving like that Orion case.
reply to post by ArchaicDesigns
That being said, no one really knows as to what causes the earth's wobble. It could very well be caused by an unknown cosmic force or an event like the December solstice sun aligning with the dark rift in the center of the Milky Way which the Mayan's 13-baktun cycle on their long Count calendar predicted to happen around December 21, 2012. Maybe the"top" is slowing down thus moving the poles drastically. That might explain all the apperant weird moon phenomena and people claiming that the constalations are moving like that Orion case. I guess only time will tell...
Originally posted by Phage
reply to post by ArchaicDesigns
Precession of the equinoxes, the change in the orientation of Earth's axis was first noted by Hipparchus (190 BC – c. 120 BC). It has nothing do to with the orientation of the horns of the Moon because it does not change the actual tilt of the Earth's axis.
This has been discovered since the late 1800s.
Originally posted by ArchaicDesigns
reply to post by stirling
I forgot to take the earth's wobble into account. I'm just trying to determine if there is a way to calculate the possibility of the earth drastically shifting (if any) using the moon but, there are so many factors that come into play.
edit on 12-12-2012 by ArchaicDesigns because: (no reason given)
Originally posted by litterbaux
The shadow the earth places on the moon has nothing to do with the earth's tilt.
Completely normal. Found some pics.
farm4.static.flickr.com...
farm4.static.flickr.com...edit on 12-12-2012 by litterbaux because: (no reason given)
Originally posted by Trublbrwing
reply to post by occy30
Clearly you were so moved by that image you stopped your vehicle (judging by reflection on window) and took the photo. Unless you do this often I would say your brain indicated this was unusual and merited a photo.
Originally posted by mr10k
Originally posted by ArchaicDesigns
With all the weird environmental happenings and theories of late, I have been trying to find some plausible evidence to support that the earth might be tilting.
....wh...wh....what....
It's because Earth is tilted... Why would you have trouble finding evidence that the Earth is tilted..
planetariumweb.madison.k12.wi.us...edit on 12-12-2012 by mr10k because: (no reason given)
reply to post by litterbaux
The shadow doesn't, but the way the Earth is tilted is the reason why the crescent moon appears different to observers throughout the year.edit on 12-12-2012 by mr10k because: (no reason given)
Lunar standstill
During the June Solstice the Ecliptic reaches the highest declination in the southern hemisphere, −23°29′. When at the same time the ascending node has a 90° angle with the Sun in the southern hemisphere, the declination of the Full Moon in the sky reaches a maximum at −23°29′ – 5°9′ or −28°36′. This is called the major standstill or Lunistice in the southern hemisphere. Nine and a half years later, when the descending node has a 90° angle with the December Solstice the declination of the Full Moon in the sky reaches a maximum at 23°29′ + 5°9′ or 28°36′. The other major standstill or Lunistice, this time in the northern hemisphere.
Originally posted by ArchaicDesigns
reply to post by gnosticagnostic
I hear where you are coming from. Yeah I do, but for some reason I just thought something to be off about it as of late, the angles are very erratic. Could just be me.
The other night for example, when the moon was rising, the crescent appeared to be 'laying down' And then the following morning it appeared to 'right-side-up'. Is that normal? Maybe I look at it too much. Lol
edit on 12-12-2012 by ArchaicDesigns because: (no reason given)