Naval Observatory Vector Astrometry Software / Jet Propulsion Laboratory / Universal Time / BIPM & IOP Publishing Ltd / The times / /
Country
United States / United Kingdom / /
Currency
USD / / /
Facility
Paris Observatory / Jet Propulsion Laboratory / US Naval Observatory / Mill Valley / University Science Books / /
Holiday
Vernal Equinox Day / /
IndustryTerm
almanac producer / software applications / coordinate systems / stellar systems / Online Glossary / online products / civil applications / electronic equipment / paper product / users with more accurate algorithms / Online Glossary http /
Organization
Her Majesty’s Stationery Office / International Earth Rotation and Reference Systems Service / UK Hydrographic Office / UK Astronomical Applications Department / HM Nautical Almanac Office / IAU Commission / US Government Printing Office / / /
Time references in US and UK astronomical and navigational almanacs