Puas yog precession cuam tshuam nrog nutation?

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Puas yog precession cuam tshuam nrog nutation?
Puas yog precession cuam tshuam nrog nutation?

Video: Puas yog precession cuam tshuam nrog nutation?

Video: Puas yog precession cuam tshuam nrog nutation?
Video: Zoo Siab Nrog Koj - Paj Tsua Thoj [ Official MV ] Nkauj Tawm Tshiab 2022 2024, Kaum ib hlis
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Txawm hais tias lawv tshwm sim los ntawm tib cov txiaj ntsig ua haujlwm nyob rau lub sijhawm sib txawv, cov kws tshawb fawb astronomers feem ntau ua qhov sib txawv ntawm qhov ua ntej, uas yog qhov hloov pauv mus sij hawm ntev hauv lub axis ntawm kev sib hloov, thiab nutation, uas yog kev sib xyaw ua ke ntawm cov kev hloov pauv luv luv zoo sib xws

precession ntsig txog dab tsi?

Precession yog hloov pauv ntawm kev taw qhia ntawm kev hloov axis ntawm lub cev rotating … 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, hais tias lub cev yog precessing txog lub thib ob axis. Ib tsab ntawv tsa suab uas qhov thib ob Euler hloov pauv yog hu ua nutation.

Dab tsi yog qhov ua ntej spin thiab nutation?

Precession, tshwm sim cuam tshuam nrog kev ua ntawm a gyroscope lossis lub voj voog saum tojthiab suav nrog kev sib piv qeeb qeeb ntawm lub axis ntawm kev sib hloov ntawm lub cev spinning txog ib txoj kab sib tshuam. spin axis. Qhov smooth, qeeb voj voog ntawm ib sab saum toj yog precession, qhov tsis sib xws wobbling yog nutation.

Barycenter nutation thiab precession yog dab tsi?

the wobbling ncig lub precessional axis Qhov no 1/2 degree hloov nyob rau hauv lub kaum sab xis tshwm sim 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. …

Dab tsi yog qhov ua ntej thiab dab tsi ua rau nws?

Precession yog qhov thib peb qhov kev tshawb pom ntawm lub ntiaj teb, tom qab qhov kev sib hloov txhua hnub thiab kev hloov pauv txhua xyoo. Precession yog tshwm sim los ntawm lub gravitational cawv ntawm lub hnub thiab lub hli ua rau lub ntiaj teb txoj kab nruab nrab bulgeRau qhov tsawg dua, cov ntiaj chaw siv zog ib yam nkaus.

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