Puas yog precession thiab nutation tib yam?

Cov txheej txheem:

Puas yog precession thiab nutation tib yam?
Puas yog precession thiab nutation tib yam?
Anonim

Precession yog qhov qeeb, toplike wobbling ntawm lub ntiaj teb tig, nrog rau lub sijhawm kwv yees li 25, 772 xyoo. Nutation (Latin nutare, "rau nod") superimposes me me oscillation, nrog rau lub sij hawm ntawm 18.6 xyoo thiab ib tug amplitude ntawm 9.2 vib nas this ntawm arc, raws li qhov no zoo heev qeeb zog.

precession spin thiab nutation yog dab tsi?

Precession yog a hloov pauv ntawm kev taw qhia ntawm kev hloov axis ntawm lub cev tig. … Hauv lwm lo lus, yog lub axis ntawm kev sib hloov ntawm lub cev yog nws tus kheej rotating txog ib tug thib ob axis, lub cev yog hais tias yuav ua ntej txog lub thib ob axis. Ib tsab ntawv tsa suab uas qhov thib ob Euler hloov pauv yog hu ua nutation.

Barycenter nutation thiab precession yog dab tsi?

the wobbling ncig lub axis precessional. Qhov no 1/2 degree hloov nyob rau hauv lub kaum sab xis yuav siv sij hawm qhov chaw nyob rau hauv ib tug 18 xyoo lub sij hawm, thiab yog tshwm sim los ntawm rub lub hli lub ntiajteb txawj nqus. Barycenter: Lub hli tsis orbit nyob ib ncig ntawm lub ntiaj teb, tab sis nyob ib ncig ntawm ib qho chaw uas ob pawg sib npaug sib npaug. …

nutation txhais li cas?

1 archaic: kev ua ntawm nodding lub taub hau. 2: oscillatory txav ntawm lub axis ntawm lub cev rotating (xws li lub ntiaj teb): wobble. 3: Ib qho kev hloov pauv feem ntau yog muab kauv txav ntawm cov nroj tsuag loj hlob.

precession thiab nutation cuam tshuam rau lub caij hauv ntiaj teb li cas?

Precession yog qhov kev hloov pauv ntawm cov axis, tab sis tsis muaj kev hloov pauv hauvqaij; hloov cov hnub qub nyob ze ntawm tus ncej; Nws tsis cuam tshuam rau lub caij.

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