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ABBREVIATIONS
Description: Whitakers 2016 cover
Print publication date: Jun, 2019
Word count: 59,908
Astronomy
British Summer Time is the legal time for general purposes...
Word count: 92
Astronomy
The seasons are defined astronomically as follows:
Word count: 325
Astronomy
Description: JanuaryJanuary 2020Description: February
FIRST MONTH, 31 DAYS. Janus, god of the portal, facing two ways, past and future
Word count: 4,365
Astronomy
Description: FebruaryFebruary 2020Description: March
Word count: 4,126
Astronomy
Description: MarchMarch 2020Description: April
Word count: 4,363
Astronomy
Description: AprilApril 2020Description: May
Word count: 4,199
Astronomy
Description: MayMay 2020Description: June
Word count: 4,409
Astronomy
Description: JulyJuly 2020Description: August
Word count: 4,413
Astronomy
Description: AugustAugust 2020Description: September
Word count: 4,367
Astronomy
Description: SeptemberSeptember 2020Description: October
Word count: 4,197
Astronomy
Description: OctoberOctober 2020Description: November
Word count: 4,428
Astronomy
Description: NovemberNovember 2020Description: December
Word count: 4,224
Astronomy
Description: DecemberDecember 2020Description: January
Word count: 4,399
Astronomy
During 2020 there will be six eclipses, two of the Sun and four of the Moon:
Word count: 261
Astronomy
The length of a sidereal day in mean time is 23h 56m 04s.09.
Word count: 515
Astronomy
 
Word count: 2,950
Astronomy
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: 3,517
Astronomy
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: 388
Astronomy
The refraction table is in the form of a critical table...
Subjects: mean refraction
Word count: 123
Astronomy
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: 1,130