:
... 24 (1 ) 365 ( )...
... 24 (1 ) 365 ( )...23.5
......
... ( Milankovitch: 41 000 )
:
:
http://astro.unl.edu/naap/motion3/animations/sunmotions.html Motions of the Sun
: 90
: 180
: 1 ( , 0).
: 2 ( , 0).
ST1 ST2 = 1 2
ST = + () ()
+ 12
:
t2 = t1 + (3.074s + 1.336s sint1 tant1) Yt2 = t1 + 20.04 cst1 Y
: 18.6
UT = EET 2h
Greenwich UT = 0 h
LST = STG SG Greenwich
(1960) qi(t( (i = 1,2,3) . , , (t) (1972)1 s (TAI) = 9 192 631 770
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