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Whitakers 2016 cover
Astronomical data for the year 2018.
Print publication date: Jan, 2019
Word count: 61,300
Astronomy 2018
British Summer Time is the legal time for general purposes...
Word count: 98
Astronomy 2018
The seasons are defined astronomically as follows:
Word count: 317
Astronomy 2018
During 2018 there will be five eclipses, three of the Sun and two of the Moon.
Word count: 189
Astronomy 2018
The length of a sidereal day in mean time is 23h 56m 04s.09.
Word count: 522
Astronomy 2018
From the earliest ages, the natural division of time into recurring periods of day and night has provided the practical time-scale for the everyday...
Word count: 3,523
Astronomy 2018
The refraction table is in the form of a critical table...
Subjects: mean refraction
Word count: 136
Astronomy 2018
The shape of the Earth is that of an oblate spheroid or solid of revolution whose meridian sections are ellipses not differing much from circles...
Word count: 382
Astronomy 2018
The Earth’s main magnetic field corresponds approximately to that of a very strong small bar magnet near the centre of the Earth, but with...
Word count: 1,134
Astronomy 2018
Explanation of the astronomical data and glossary of terms for the monthly data tables.
Word count: 3,244
Astronomy 2018
JanuaryJanuary 2018February
Astronomical data for January
Word count: 4,451
Astronomy 2018
FebruaryFebruary 2018March
Astronomical data for February
Word count: 4,028
Astronomy 2018
MarchMarch 2018April
Astronomical data for March
Word count: 4,396
Astronomy 2018
AprilApril 2018May
Astronomical data for April
Word count: 4,199
Astronomy 2018
MayMay 2018June
Astronomical data for May
Word count: 4,375
Astronomy 2018
JuneJune 2018July
Astronomical data for June
Word count: 4,223
Astronomy 2018
JulyJuly 2018August
Astronomical data for July
Word count: 4,398
Astronomy 2018
AugustAugust 2018September
Astronomical data for August
Word count: 4,352
Astronomy 2018
SeptemberSeptember 2018October
Astronomical data for September
Word count: 4,172
Astronomy 2018
OctoberOctober 2018November
Astronomical data for October
Word count: 4,369
Astronomy 2018
NovemberNovember 2018December
Astronomical data for November
Word count: 4,183
Astronomy 2018
DecemberDecember 2018January
Astronomical data for December
Word count: 4,390