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ROTASI & REVOLUSIBUMIPENYUSUN : LAILA QONITA E
NIM : 140210102049
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ROTASI BUMI
Rotasi bui a!a"a# $%$utaa' bui $a!a $oos'(a)
*a"a otasi a!a"a# +a,tu (a'- !ibutu#,a' o"%# suatu b%'!au'tu, b%$uta $a!a $oos'(a) S%,a"i b%otasi bui
%%"u,a' +a,tu 2. /a %'it atau 24 /a ,ua'- 4%'it
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A*IBAT ARI ROTASI BUMI 3%a, s%u #aia' b%'!a "a'-it t%bit !i tiu5
t%b%'a !i baat6
P%-a'tia' sia'- !a' a"a
B%'tu, Bui (a'- oblate ellipsoid bu"at $%$at6 $%b%!aa' $%7%$ata' -a8itasi
P%b%!aa' +a,tu t%,ait aa# otasi !a' $%b%!aa'bu/u -%o-as6
T%/a!i'(a $%b%"o,a' aa# a'-i'
S%suai u,u Bu(s Ba""ot:
; U!aa b%-%a, !ai t%$at b%t%,a'a' ti'--i %'!a#
; i b%"a#a' Bui utaa a'-i' %b%"o, ,% ,a'a' !a's%ba"i,'(a
T%/a!i'(a $%b%"o,a' aus "aut
Aus "aut %b%"o, s%aa# /au /a !i b%"a#a' Bui utaa !a'
s%ba"i,'(a
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REVOLUSI BUMIR%8o"usi bui a!a"a# $%$utaa' bui
%'-%"i"i'-i ata#ai) S%,a"i b%%8o"usi5 bui%%"u,a' +a,tu . #ai /a 9 %'it 10!%ti, atau s%i'- !is%but satu ta#u' $a!a$%'a'--a"a' as%#i
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ASIL PEN3AMATAN YAN3MEMBU*TI*AN BUMI BERREVOLUSI
Efek paralaks P%uba#a' ,%!u!u,a' bi'ta'- !%,at
%"ati? t%#a!a$ bi'ta'->bi'ta'- "ata b%"a,a'- (a'- "%bi# /au# "%ta,'(a)
Aberasi cahaya bintang P%uba#a' $osisi bi'ta'-!ai $osisi (a'- s%b%'a'(a s%ba-ai a,ibat ,obi'asi-%a, Bui !a"a ua'- !a' ,%b%#i'--aa' ,%"a/ua'7a#a(a (a'- b%asa" !ai bi'ta'- (a'- !iaati t%s%but)
* Analog dengan tetes hujan Efek Doppler P%-%s%a' -ais>-ais s$%,tu
bi'ta'- ,% aa# %a# atau biu6 ,a%'a $%uba#a'$osisi $%'-aat a,ibat otasi
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AMPA* REVOLUSI BUMI
1) P%b%!aa' Laa Sia'- !a' Ma"a ai
2) 3%a, S%u Ta#u'a' Mata#ai
.) P%uba#a' Musi
4) P%uba#a' Rasi Bi'ta'-
) P%'a'--a"a' *a"%'!% Mas%#i
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Gerak semu tahunan Matahari
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Pergantian musim
* *%ti,a Mata#ai b%a!a !i b%"a#a' uBui
B%'ua Asia %'-a"ai usi $a'asI'!o'%sia
usi ,%aau
* *%ti,a Mata#ai b%a!a !i b%"a#a' s%"aBui
B%'ua Asia %'-a"ai usi basa#I'!o'%sia
usi #u/a'