{"product_id":"gp100-2023-the-astronomical-almanac-2026","title":"GP100 2026 The Astronomical Almanac, 2026","description":"\u003cp\u003eThe Astronomical Almanac  contains a wide variety of both technical and general astronomical information. A worldwide resource for fundamental astronomical data. It’s a joint publication of the U.S. Nautical Almanac Office at the U.S. Naval Observatory and Her Majesty's Nautical Almanac Office in the UK, and contains data supplied by many scientists from around the world.\u003cbr\u003e\u003cbr\u003eContents of The Astronomical Almanac:\u003cbr\u003e\u003cbr\u003ePHENOMENA - information on the seasons, phases of the Moon, configurations of the planets, eclipses, etc.\u003cbr\u003e\u003cbr\u003eTIME-SCALES AND COORDINATE SYSTEMS - calendar information, relationships between time scales, universal and sidereal times, Earth rotation angle,\u003cbr\u003e\u003cbr\u003eSUN – MOON –PLANETS - detailed positional information,\u003cbr\u003e\u003cbr\u003eSTARS AND STELLAR SYSTEMS - mean places for bright stars, double stars, UBVRI standards,\u003cbr\u003e\u003cbr\u003eTABLES AND DATA - Julian dates, selected astronomical constants, relations between time scales,\u003cbr\u003e\u003cbr\u003eAND MORE.\u003c\/p\u003e","brand":"Boat books Australia","offers":[{"title":"Default Title","offer_id":52958518608236,"sku":"GP100 23","price":245.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0946\/1920\/5996\/files\/GP100.png?v=1776388842","url":"https:\/\/www.boatbooks-aust.com.au\/products\/gp100-2023-the-astronomical-almanac-2026","provider":"Boat books Australia","version":"1.0","type":"link"}