Site Search

text size
Grouped pubs nav
ABBREVIATIONS
Description: Whitakers 2016 cover
Print publication date: Dec, 2019
Word count: 61,826
Astronomy 2020
British Summer Time is the legal time for general purposes...
Word count: 95
Astronomy 2020
The seasons are defined astronomically as follows:
Word count: 325
Astronomy 2020
During 2020 there will be six eclipses, two of the Sun and four of the Moon:
Word count: 261
Astronomy 2020
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: 3,513
Astronomy 2020
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 2020
The refraction table is in the form of a critical table...
Subjects: mean refraction
Word count: 126
Astronomy 2020
The length of a sidereal day in mean time is 23h 56m 04s.09.
Word count: 515
Astronomy 2020
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
Astronomy 2020
Explanation of the astronomical data and glossary of terms for the monthly data tables.
Word count: 3,519
Astronomy 2020
Description: JanuaryJanuary 2020Description: February
Complete astronomical data, planetary and night sky information for the month.
Word count: 4,364
Astronomy 2020
Description: FebruaryFebruary 2020Description: March
Complete astronomical data, planetary and night sky information for the month.
Word count: 4,147
Astronomy 2020
Description: MarchMarch 2020Description: April
Complete astronomical data, planetary and night sky information for the month.
Word count: 4,384
Astronomy 2020
Description: AprilApril 2020Description: May
Complete astronomical data, planetary and night sky information for the month.
Word count: 4,220
Astronomy 2020
Description: MayMay 2020Description: June
Complete astronomical data, planetary and night sky information for the month.
Word count: 4,430
Astronomy 2020
Description: JuneJune 2020Description: July
Complete astronomical data, planetary and night sky information for the month.
Word count: 4,301
Astronomy 2020
Description: JulyJuly 2020Description: August
Complete astronomical data, planetary and night sky information for the month.
Word count: 4,434
Astronomy 2020
Description: AugustAugust 2020Description: September
Complete astronomical data, planetary and night sky information for the month.
Word count: 4,388
Astronomy 2020
Description: SeptemberSeptember 2020Description: October
Complete astronomical data, planetary and night sky information for the month.
Word count: 4,218
Astronomy 2020
Description: OctoberOctober 2020Description: November
Complete astronomical data, planetary and night sky information for the month.
Word count: 4,449
Astronomy 2020
Description: NovemberNovember 2020Description: December
Complete astronomical data, planetary and night sky information for the month.
Word count: 4,245
Astronomy 2020
Description: DecemberDecember 2020Description: January
Complete astronomical data, planetary and night sky information for the month.
Word count: 4,420