matterdoc Posted November 14, 2014 Posted November 14, 2014 Rotation of earth, considered here, is with respect to its axis. Magnitude and type of earth's resultant motion, with respect to an external reference, depends on other simultaneous motions also. Earth also moves in linear direction along with sun (around galactic centre). Therefore, earth's absolute spin motion is relatively very small. Part of 'central force' due to gravity between earth and sun causes steady acceleration of earth's spin motion. For details, kindly see http://vixra.org/abs/1008.0029 Nainan
Strange Posted November 15, 2014 Posted November 15, 2014 (edited) Rotation of earth, considered here, is with respect to its axis. Obviously. By definition. Magnitude and type of earth's resultant motion, with respect to an external reference, depends on other simultaneous motions also. Also obvious. Earth also moves in linear direction along with sun (around galactic centre). It obviously doesn't move linearly around the galactic centre. Therefore, earth's absolute spin motion is relatively very small. None of that changes the Earth's spin. And what do you mean by "absolute spin"? Part of 'central force' due to gravity between earth and sun causes steady acceleration of earth's spin motion. Do you have any evidence for that? It would appear to be contradicted by the evidence: The earth is constantly losing angular velocity and rotational energy through a process called tidal acceleration, which leads to a slow lengthening of the day. A century ago, the average day was about 1.7 milliseconds shorter than today,%5B1%5D while in the late Neoproterozoic about 620 million years ago a day had only about 21.9±0.4 hours.%5B2%5D http://en.wikipedia.org/wiki/Day_length#Increasing_day_length For details, kindly see http://vixra.org/abs/1008.0029 Vixra? No thanks. If you are willing to publish your "paper" there, it obviously isn't worth reading. Edited November 15, 2014 by Strange
xyzt Posted November 15, 2014 Posted November 15, 2014 (edited) Rotation of earth, considered here, is with respect to its axis. Magnitude and type of earth's resultant motion, with respect to an external reference, depends on other simultaneous motions also. Earth also moves in linear direction along with sun (around galactic centre). Therefore, earth's absolute spin motion is relatively very small. Part of 'central force' due to gravity between earth and sun causes steady acceleration of earth's spin motion. For details, kindly see http://vixra.org/abs/1008.0029 Nainan Vixra is the place where cranks upload their unpublishable papers. You have quite a few seriously fringe ones. Have you considered studying instead of spouting nonsense? Edited November 15, 2014 by xyzt
swansont Posted November 16, 2014 Posted November 16, 2014 ! Moderator Note From rule 7: Links, pictures and videos in posts should be relevant to the discussion, and members should be able to participate in the discussion without clicking any links or watching any videos. "central force causing change in spin rate" is contrary to some well-established physics. Discuss your model or give us some evidence.
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