Astronomical Phenomena For The Year 2021
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Astronomical Phenomena For The Year 2021
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Author : Naval Observatory
language : en
Publisher: Astronomical Phenomena
Release Date : 2019-04-18
Astronomical Phenomena For The Year 2021 written by Naval Observatory and has been published by Astronomical Phenomena this book supported file pdf, txt, epub, kindle and other format this book has been release on 2019-04-18 with Law categories.
This small, useful booklet contains general interest material preprinted from The Astronomical Almanac. It is published jointly by the U.S. Naval Observatory and Her Majesty's Nautical Almanac Office two years in advance of its date. It includes such things as: - dates for Solar equinoxes, solstices, phases of the Moon - eclipse maps - dates for various planetary phenomena - visibility and magnitudes of the planets - dates for some religious and civil holidays - chronological eras and cycles - the equation of time and declination of the Sun - sunrise/set, moonrise/set times - the position of Polaris.
Fifty Year Almanac Of Astronomical Events 2021 To 2070
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Author : Fred Espenak
language : en
Publisher:
Release Date : 2021-01-24
Fifty Year Almanac Of Astronomical Events 2021 To 2070 written by Fred Espenak and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2021-01-24 with Science categories.
The Fifty Year Almanac of Astronomical Events: 2021 to 2070 is a catalog listing a wide range of solar system phenomena as seen from Earth. Each year gives a concise compendium of the most conspicuous and/or significant astronomical events involving the Sun, Moon and the planets. The astronomical events include the following. - solar and lunar eclipses - phases of the Moon - apogees and perigees of the Moon - Equinoxes and Solstices of Earth - aphelion and perihelion (Earth, Mars, Jupiter, Saturn and Uranus) - oppositions and conjunctions of the planets - elongations of Mercury and Venus - close conjunctions of the Moon with the planets and bright stars - close conjunctions of planets with bright stars and other planets - peak of major meteor showers The date and time of each event is given in Greenwich Mean Time (= Coordinated Universal Time). With 200+ events each year, the Fifty Year Almanac includes over 10,200 astronomical events.
Astronomical Phenomena For The Year
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Author :
language : en
Publisher:
Release Date : 1971
Astronomical Phenomena For The Year written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1971 with Astronomy categories.
Astronomical Almanac For The Year 2021
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Author : Government Publishing Office
language : en
Publisher:
Release Date : 2020-08-31
Astronomical Almanac For The Year 2021 written by Government Publishing Office and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2020-08-31 with categories.
Prepared jointly with Her Majesty's Nautical Almanac Office, United Kingdom Hydrographic Office. Designed in consultation with other astronomers of many countries. Provides current, accurate astronomical data for use in the making and reduction of observations and for general purposes. The Astronomical Almanac Online extends the printed version by providing data best presented in machine-readable form. Online data are provided for several years. Contains data for astronomy, space sciences, geodesy, surveying, navigation, and other applications. Also used for navigation by air and water.The Astronomical Almanac is a joint publication of the U.S. Nautical Almanac Office, United States Naval Observatory (USNO), in the United States and Her Majesty's Nautical Almanac Office (HMNAO), United Kingdom Hydrographic Office (UKHO), in the United Kingdom. This annual publication contains precise ephemerides of the Sun, Moon, planets, and satellites, data for eclipses and other astronomical phenomena for a given year, and serves as a world-wide standard for such information.
Lights In The Sky
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Author : Michael Maunder
language : en
Publisher: Springer Science & Business Media
Release Date : 2007-09-28
Lights In The Sky written by Michael Maunder and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2007-09-28 with Science categories.
Many lights and other objects in the sky go unrecognised, or at least are little understood by those observing them. Such things range from the commonplace like rainbows and meteors, to the distinctly unusual like the green flash and ball lightning. And there is still a residuum of objects that remain unidentified by the watcher – classed generally as ‘UFOs’, a description which today has connotations of the mysterious, even of extraterrestrial visitors. The first part of this book is an identification guide, very much like the "plant identifier" sections found in a good gardening or botany book. It allows quick (and structured) identification of known aerial phenomena, whether at night or during the day. The objects thus found are referenced to the second part of the book... The second part gives a full description, physical explanation, and where relevant notes on observing and photographing the various phenomena. Some will need optical aids such as binoculars or telescopes, but the main thrust of the book is identification and explanation rather than imaging. The final chapter approaches UFOs from a scientific standpoint, particularly the way in which human perception and often preconception affects the outcome. It does however finish with a short section on "extraterrestrial UFOs", emphasising the burden of proof aspect and touching on the scientific theories of life on other worlds and the improbability of visitors.
Almanach Astronomiczny Na Rok 2021
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Author : Tomasz Ściężor
language : pl
Publisher: Polskie Towarzystwo Astronomiczne
Release Date : 2020-12-11
Almanach Astronomiczny Na Rok 2021 written by Tomasz Ściężor and has been published by Polskie Towarzystwo Astronomiczne this book supported file pdf, txt, epub, kindle and other format this book has been release on 2020-12-11 with Science categories.
Almanach Astronomiczny na rok 2021 Wschody i zachody Słońca, Księżyca, planet. Zaćmienia Słońca i Księżyca. Efemerydy dla planetoid, planet karłowatych, komet. Mapki, wykresy, tabele. Zestawienia rojów meteorów, gwiazd zmiennych i inne przydatne informacje dotyczące zjawisk astronomicznych widocznych na niebie - na cały rok 2021 r. Książka jest bezpłatna. Seria „Almanach Astronomiczny” (ISSN 2083-4802) jest od 2014 roku wydawana przez Polskie Towarzystwo Astronomiczne (PTA). Stanowi kontynuację wydawanych przez Polskie Towarzystwo Miłośników Astronomii w latach 1992-2007 „Kalendarzy Astronomicznych” oraz wydawanych w latach 2008-2013 przez Klub Astronomiczny Regulus elektronicznych wersji „Almanachów Astronomicznych”. Autorem almanachów jest Tomasz Ściężor. Almanach można też pobrać z portalu Uranii pod adresem www.urania.edu.pl/almanach Uwaga: Almanach jest darmowy, ale aby móc go pobrać, należy mieć przypisaną do swojego konta kartę płatniczą. Jest to wymóg Google, a nie nasz i dotyczy wszystkich produktów z kategorii książki, filmy, muzyka, nawet jeśli są darmowe. Jeśli nie masz karty płatniczej, albo nie chcesz jej przypisywać do swojego konta w Google, możesz pobrać Almanach z naszego portalu: www.urania.edu.pl/almanach. Kategorie i słowa kluczowe: planeta, planetoida, asteroida, asteroidy, kometa, planeta karłowata, meteor, rój meteorów, Słońce, Księżyc, Merkury, Wenus, Mars, Jowisz, Saturn, Uran, Neptun, Pluton, Ceres, planet, asteroid, Moon, Sun, Mercury, Venus, Jupiter, Uranus, Neptune, Pluto, dwarf planet, ephemera, astronomy, astronomical ephemeris, sunset, sunrise, astronomical almanac.
Hellenistic Astronomy
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Author : Alan C. Bowen
language : en
Publisher: BRILL
Release Date : 2020-02-17
Hellenistic Astronomy written by Alan C. Bowen and has been published by BRILL this book supported file pdf, txt, epub, kindle and other format this book has been release on 2020-02-17 with History categories.
In Hellenistic Astronomy: The Science in Its Contexts, new essays by renowned scholars address questions about what the ancient science of the heavens was in the ancient Near East and Mediterranean worlds, and the numerous contexts in which it was pursued. Together, these essays will enable readers not only to understand the technical accomplishments of this ancient science but also to appreciate their historical significance by locating the questions, challenges, and issues inspiring them in their political, medical, philosophical, literary, and religious contexts. Winner of the 2020 Choice Outstanding Academic Title Award
Backyard Guide To The Night Sky
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Author : Andrew Fazekas
language : en
Publisher: National Geographic Books
Release Date : 2019
Backyard Guide To The Night Sky written by Andrew Fazekas and has been published by National Geographic Books this book supported file pdf, txt, epub, kindle and other format this book has been release on 2019 with Nature categories.
Explore the star-studded cosmos with this fully updated, user-friendly skywatcher's guide, filled with charts, graphics, photographs, and expert tips for viewing -- and understanding -- the wonders of space. Stargazing's too much fun to leave to astronomers. In these inviting pages, "Night Sky Guy" Andrew Fazekas takes an expert but easygoing approach that will delight would-be astronomers of all levels. Essential information, organized logically, brings the solar system, stars, and planets to life in your own backyard. Start with the easiest constellations and then "star-hop" across the night sky to find others nearby. Learn about the dark side of the moon, how to pick Mars out of a planetary lineup, and which kinds of stars twinkle in your favorite constellations. Hands-on tips and techniques for observing with the naked eye, binoculars, or a telescope help make the most out of sightings and astronomical phenomena such as eclipses and meteor showers. Photographs and graphics present key facts in an easy-to-understand format, explaining heavenly phenomena such as black holes, solar flares, and supernovas. Revised to make skywatching even easier for the whole family, this indispensable guide shines light on the night sky--truly one of the greatest shows on Earth
Pathways To Discovery In Astronomy And Astrophysics For The 2020s
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Author : National Academies of Sciences, Engineering, and Medicine
language : en
Publisher:
Release Date : 2022-08-04
Pathways To Discovery In Astronomy And Astrophysics For The 2020s written by National Academies of Sciences, Engineering, and Medicine and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2022-08-04 with Science categories.
The steering committee was specifically asked to (1) provide an overview of the current state of astronomy and astrophysics science, and technology research in support of that science, with connections to other scientific areas where appropriate; (2) identify the most compelling science challenges and frontiers in astronomy and astrophysics, which shall motivate the committee’s strategy for the future; (3) develop a comprehensive research strategy to advance the frontiers of astronomy and astrophysics for the period 2022-2032 that will include identifying, recommending, and ranking the highest-priority research activities; (4) utilize and recommend decision rules, where appropriate, that can accommodate significant but reasonable deviations in the projected budget or changes in urgency precipitated by new discoveries or unanticipated competitive activities; (5) assess the state of the profession, including workforce and demographic issues in the field, identify areas of concern and importance to the community, and where possible, provide specific, actionable, and practical recommendations to the agencies and community to address these areas. This report proposes a broad, integrated plan for space- and ground-based astronomy and astrophysics for the decade 2023-2032. It also lays the foundations for further advances in the following decade.