Geodetic precession

/ˌdʒiːəˈdɛtɪk prɪˈsɛʃən/ noun

Definition

The precession of a gyroscope's spin axis due to the curvature of spacetime around a massive object, as predicted by Einstein's general relativity. This effect occurs even when the massive object is not rotating, unlike frame dragging.

Etymology

From 'geodetic' (Greek 'geodaisia' meaning earth measurement, referring to the curved paths in spacetime) and 'precession' (Latin 'praecedere' meaning to go before). The effect was predicted by Willem de Sitter in 1916, hence also called de Sitter precession.

Kelly Says

Geodetic precession reveals that even 'straight line' motion through curved spacetime causes spinning objects to wobble—it's like rolling a gyroscope on the surface of a sphere where there are no truly straight paths! This effect is about 150 times larger than frame dragging for Earth, making it easier to measure and confirm Einstein's predictions.

Translations

AMአማርኛ
መለኪያ እንቅስቃሴ
me-le-ki-ya en-kise-kase
ARالعربية
انحراف جغرافي
in-hi-raf dʒa-gra-fi
BNবাংলা
ভূ-পরিমাপক প্রগতি
bhoo-pori-map-ok pro-gati
CACatalà
precessió geodèsica
pre-ce-ssi-o dʒeo-de-sik
CSČeština
geodetická precese
dʒe.o.de.ti-čka pre-ce-se
DADansk
geodetisk præcession
dʒe.o.de.tisk pre-ces-sion
DEDeutsch
geodätische Präzession
ɡeːoˈdɛːtɪʃə preːt͡seːˈsi̯oːn
ELΕλληνικά
γεωδαιτική προοδευτική
dʒeo-dai-ti-ki pro-o-de-y-ti-ki
ESEspañol
precesión geodésica
pre-se-sión hɛo-des-i-ka
FAفارسی
歳差
sai-sa
FISuomi
geodeettinen precessi
dʒe.o.de.tːinen pre-ces-si
FRFrançais
précession géodésique
pre-se-syon dʒe.ɔ.de.zik
GUGU
ભૌગોલિક પ્રગતિ
bhau-gol-ik pra-gati
HAHA
geodetika precession
dʒeo-deh-ti-ka pre-se-ssion
HEעברית
הזזת גאודטית
ha-z-zat gao-det-it
HIहिन्दी
भौगोलिक प्रेसिजन
bhau-gol-ik pre-si-jan
HUMagyar
geodéziai precesszió
dʒe.o.de.zsi.ai pre-ces-sio
IDBahasa Indonesia
presi
pre-si
IGIG
ogeodetiki precession
o-dʒeo-deh-ti-ki pre-se-ssion
ITItaliano
precessione geodetica
pre-ce-sio-ne dʒeo-deh-ti-ka
JA日本語
測量学的歳差
so-ryō-gakuteki sai-sa
KKKK
геодезиялық прецессия
geo-de-zi-ya-lik pre-tse-ssi-ya
KMKM
ការផ្លាស់ប្តូរ
ka-ar ph-la-as-b-tro
KO한국어
측지학적 전위
cheokjihakjeok jeon-wi
MRMR
भौगोलिक प्रगती
bhau-gol-ik pra-gati
MSBahasa Melayu
presi geodetik
pre-si dʒeo-deh-tik
MYမြန်မာ
ကျယ်ပြန့် လှုပ်
kyae-pya-nt lhu-p
NLNederlands
geodetische precessie
dʒe.o.de.tɪk pre-ses-i
NONorsk
geodetisk precessjon
dʒe.o.de.tisk pre-ses-jon
PAPA
ਭੌਗੋલિક ਪ੍ਰગતિ
bha-u-gol-ik pra-gati
PLPolski
precesja geodezyjna
pre-ce-sja dʒe.o.de-zy.jna
PTPortuguês
precessão geodésica
pre-se-sāo ʒe.o.ˈde.si.ku
RORomână
precesiune geodetică
pre-ce-si-une dʒeo-deh-ti-ka
RUРусский
геодезическая прецессия
geodezi-cheska-ya pre-tse-ssi-ya
SVSvenska
geodetisk precession
dʒe.o.de.tisk pre-ses-sion
SWKiswahili
geodetiki precession
dʒeo-deh-ti-ki pre-se-ssion
TAதமிழ்
புவி அளவை திசை
puvi a-la-vai thi-sai
TEతెలుగు
భౌగోళిక ప్రగతి
bha-u-gol-ik pra-gati
THไทย
การเคลื่อนที่ของดวงอาทิตย์
gaan khluean-thi khoi dwoon a-tit
TLTL
geodetiko precesyon
dʒeo-deh-ti-ko pre-se-syon
TRTürkçe
jeodezik precesyon
dʒe.o.de.zik pre-se-syon
UKУкраїнська
геодезична прецесія
heo-de-zi-chna pre-tse-si-ya
URاردو
جغرافیائی پیشرفت
dʒa-gra-fi-ai pi-sh-raf-t
VITiếng Việt
tiến độ xích đạo
tien do xi-ch-dao
YOYO
geodetisi precession
dʒeo-deh-ti-si pre-se-ssion
ZH中文
大地测量学岁差
dà dì cè liàng xué suì chā
ZUZU
igeodetiki precession
i-dʒeo-deh-ti-ki pre-se-ssion

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