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The Astronomical Garden of Venus and Mars-NG915: the Pivotal Role Of
The astronomical garden of Venus and Mars - NG915 : the pivotal role of Astronomy in dating and deciphering Botticelli’s masterpiece Mariateresa Crosta Istituto Nazionale di Astrofisica (INAF- OATo), Via Osservatorio 20, Pino Torinese -10025, TO, Italy e-mail: [email protected] Abstract This essay demonstrates the key role of Astronomy in the Botticelli Venus and Mars-NG915 painting, to date only very partially understood. Worthwhile coin- cidences among the principles of the Ficinian philosophy, the historical characters involved and the compositional elements of the painting, show how the astronomi- cal knowledge of that time strongly influenced this masterpiece. First, Astronomy provides its precise dating since the artist used the astronomical ephemerides of his time, albeit preserving a mythological meaning, and a clue for Botticelli’s signature. Second, it allows the correlation among Botticelli’s creative intention, the historical facts and the astronomical phenomena such as the heliacal rising of the planet Venus in conjunction with the Aquarius constellation dating back to the earliest represen- tations of Venus in Mesopotamian culture. This work not only bears a significant value for the history of science and art, but, in the current era of three-dimensional mapping of billion stars about to be delivered by Gaia, states the role of astro- nomical heritage in Western culture. Finally, following the same method, a precise astronomical dating for the famous Primavera painting is suggested. Keywords: History of Astronomy, Science and Philosophy, Renaissance Art, Educa- tion. Introduction Since its acquisition by London’s National Gallery on June 1874, the painting Venus and Mars by Botticelli, cataloged as NG915, has remained a mystery to be interpreted [1]1. -
C a L E N D a R F O R 2019
Small Astronomy Calendar for Amateur Astronomers Year III 2021 Let’s welcome our 2021 Small Astronomy Calendar Edition made by our Intergalactic Astronomy Educators Fellowship (IGAEF)’s team. In 2021, many amateur astronomers asked for calculations for more specific geographical locations. This year we added new useful calculated positions and coordinates for everyone in the world to use. You should check this calendar every month, specifically the lunar occultations pages for your observation point. There are many interesting and unique events that might not happen every year, because of the different parameters of the Moon orbit. Our hope is to fulfill your expectations. We would like to receive suggestions and feedback. You can find the editor’s email in the last page of the calendar. We appreciate your support and we are looking forward to having a good observational year, and a better and more complete calendar for this first year of a new decade. Index 3 - Calendar for 2021 4 – What is the Intergalactic Astronomy Educators Fellowship (IGAEF) 5 - Time Zones and Universal Time 6 - Phases of the Moon 2021 7 – Physical Ephemeris for the Moon 2021 10 - Local Time (EST) of MOONRISE 2021 11 - Local Time (EST) of MOONSET 2021 12 - Local time (EST) of planets rise and set 2021 15 - Diary of Astronomical Phenomena 2021 21 - Lunar eclipses 23 - Solar Eclipses 25 - Meteor Showers for 2021 26 – 2021 UPCOMING COMETS 27 - Satellites of Jupiter 2021 36 – Mutual Events of Jupiter Satellites 2021 39 - Julian Day Number, Apparent Sidereal Time, Obliquity -
Capricorn (Astrology) - Wikipedia, the Free Encyclopedia
מַ זַל גְּדִ י http://www.morfix.co.il/en/Capricorn بُ ْر ُج ال َج ْدي http://www.arabdict.com/en/english-arabic/Capricorn برج جدی https://translate.google.com/#auto/fa/Capricorn Αιγόκερως Capricornus - Wikipedia, the free encyclopedia http://en.wikipedia.org/wiki/Capricornus h m s Capricornus Coordinates: 21 00 00 , −20° 00 ′ 00 ″ From Wikipedia, the free encyclopedia Capricornus /ˌkæprɨˈkɔrnəs/ is one of the constellations of the zodiac. Its name is Latin for "horned goat" or Capricornus "goat horn", and it is commonly represented in the form Constellation of a sea-goat: a mythical creature that is half goat, half fish. Its symbol is (Unicode ♑). Capricornus is one of the 88 modern constellations, and was also one of the 48 constellations listed by the 2nd century astronomer Ptolemy. Under its modern boundaries it is bordered by Aquila, Sagittarius, Microscopium, Piscis Austrinus, and Aquarius. The constellation is located in an area of sky called the Sea or the Water, consisting of many water-related constellations such as Aquarius, Pisces and Eridanus. It is the smallest constellation in the zodiac. List of stars in Capricornus Contents Abbreviation Cap Genitive Capricorni 1 Notable features Pronunciation /ˌkæprɨˈkɔrnəs/, genitive 1.1 Deep-sky objects /ˌkæprɨˈkɔrnaɪ/ 1.2 Stars 2 History and mythology Symbolism the Sea Goat 3 Visualizations Right ascension 20 h 06 m 46.4871 s–21 h 59 m 04.8693 s[1] 4 Equivalents Declination −8.4043999°–−27.6914144° [1] 5 Astrology 6 Namesakes Family Zodiac 7 Citations Area 414 sq. deg. (40th) 8 See also Main stars 9, 13,23 9 External links Bayer/Flamsteed 49 stars Notable features Stars with 5 planets Deep-sky objects Stars brighter 1 than 3.00 m Several galaxies and star clusters are contained within Stars within 3 Capricornus. -
GTO Keypad Manual, V5.001
ASTRO-PHYSICS GTO KEYPAD Version v5.xxx Please read the manual even if you are familiar with previous keypad versions Flash RAM Updates Keypad Java updates can be accomplished through the Internet. Check our web site www.astro-physics.com/software-updates/ November 11, 2020 ASTRO-PHYSICS KEYPAD MANUAL FOR MACH2GTO Version 5.xxx November 11, 2020 ABOUT THIS MANUAL 4 REQUIREMENTS 5 What Mount Control Box Do I Need? 5 Can I Upgrade My Present Keypad? 5 GTO KEYPAD 6 Layout and Buttons of the Keypad 6 Vacuum Fluorescent Display 6 N-S-E-W Directional Buttons 6 STOP Button 6 <PREV and NEXT> Buttons 7 Number Buttons 7 GOTO Button 7 ± Button 7 MENU / ESC Button 7 RECAL and NEXT> Buttons Pressed Simultaneously 7 ENT Button 7 Retractable Hanger 7 Keypad Protector 8 Keypad Care and Warranty 8 Warranty 8 Keypad Battery for 512K Memory Boards 8 Cleaning Red Keypad Display 8 Temperature Ratings 8 Environmental Recommendation 8 GETTING STARTED – DO THIS AT HOME, IF POSSIBLE 9 Set Up your Mount and Cable Connections 9 Gather Basic Information 9 Enter Your Location, Time and Date 9 Set Up Your Mount in the Field 10 Polar Alignment 10 Mach2GTO Daytime Alignment Routine 10 KEYPAD START UP SEQUENCE FOR NEW SETUPS OR SETUP IN NEW LOCATION 11 Assemble Your Mount 11 Startup Sequence 11 Location 11 Select Existing Location 11 Set Up New Location 11 Date and Time 12 Additional Information 12 KEYPAD START UP SEQUENCE FOR MOUNTS USED AT THE SAME LOCATION WITHOUT A COMPUTER 13 KEYPAD START UP SEQUENCE FOR COMPUTER CONTROLLED MOUNTS 14 1 OBJECTS MENU – HAVE SOME FUN! -
Ready. Set. Shop
SATURDAY, NOVEMBER 26, 2016 Lynn addition kicks off NSCC growth plan By Thomas Grillo fordability in the 189-page “North Shore in order to generate new success, espe- the needs of the regional workforce; hon- ITEM STAFF Advancing: A Vision for the Future, cially in the areas of revenue generation, or the institution’s commitment to open 2017-2021.” enrollment management, student afford- access education; provide support for stu- LYNN — North Shore Community Col- “This strategic plan represents NSCC’s ability, reducing achievement gaps and dents to reach their academic and career lege (NSCC) has ambitious plans for the collective effort to move from strength to strengthening employer connections and goals; and provide an excellent education next ve years. strength,” J.D. LaRock, chairman of the academic performance.” without adding unnecessary debt to stu- Patricia Gentile, the school’s presi- board of trustees, said in a letter to stu- The next steps for the school, founded dents. dent, outlines four directions covering dents and faculty. in 1965, include: develop academic path- academics, access, achievement and af- “Our goal is to leverage our successes ways for students that are aligned with NSCC, A7 Classical hero ready to hit the big time Morgan Mack- ey, Erin Keenan and Isabella Malionek carry giant teddy bears from JCPenney’s Friday at the Northshore Mall. PHOTO | NICOLE GOODHUE BOYD READY. SET. SHOP. By Leah Dearborn year’s worth of work.” keting director, about the crowds. “I do PHOTO | BOB ROCHE ITEM STAFF Whiting said the mall prepares all think the social aspect drives them out, year for the holiday rush, even bringing but they are shopping. -
Extrasolar Planets and Their Host Stars
Kaspar von Braun & Tabetha S. Boyajian Extrasolar Planets and Their Host Stars July 25, 2017 arXiv:1707.07405v1 [astro-ph.EP] 24 Jul 2017 Springer Preface In astronomy or indeed any collaborative environment, it pays to figure out with whom one can work well. From existing projects or simply conversations, research ideas appear, are developed, take shape, sometimes take a detour into some un- expected directions, often need to be refocused, are sometimes divided up and/or distributed among collaborators, and are (hopefully) published. After a number of these cycles repeat, something bigger may be born, all of which one then tries to simultaneously fit into one’s head for what feels like a challenging amount of time. That was certainly the case a long time ago when writing a PhD dissertation. Since then, there have been postdoctoral fellowships and appointments, permanent and adjunct positions, and former, current, and future collaborators. And yet, con- versations spawn research ideas, which take many different turns and may divide up into a multitude of approaches or related or perhaps unrelated subjects. Again, one had better figure out with whom one likes to work. And again, in the process of writing this Brief, one needs create something bigger by focusing the relevant pieces of work into one (hopefully) coherent manuscript. It is an honor, a privi- lege, an amazing experience, and simply a lot of fun to be and have been working with all the people who have had an influence on our work and thereby on this book. To quote the late and great Jim Croce: ”If you dig it, do it. -
Arxiv:2105.01674V1 [Astro-Ph.SR] 4 May 2021 Thesis and Galactic Chemical Evolution (Burbidge Et Al
Astronomy & Astrophysics manuscript no. larsen ©ESO 2021 May 6, 2021 Hubble Space Telescope imaging of the extremely metal-poor globular cluster EXT8 in Messier 31? Søren S. Larsen1, Aaron J. Romanowsky2; 4, and Jean P. Brodie3; 4 1 Department of Astrophysics/IMAPP, Radboud University, PO Box 9010, 6500 GL Nijmegen, The Netherlands e-mail: [email protected] 2 Department of Physics & Astronomy, One Washington Square, San José State University, San Jose, CA 95192, USA 3 Centre for Astrophysics and Supercomputing, Swinburne University of Technology, Hawthorn, VIC 3122, Australia 4 University of California Observatories, 1156 High Street, Santa Cruz, CA 95064, USA Received 12 April 2021 / Accepted 4 May 2021 ABSTRACT We recently found the globular cluster (GC) EXT8 in M31 to have an extremely low metallicity of [Fe=H] = −2:91 ± 0:04 using high- resolution spectroscopy. Here we present a colour–magnitude diagram (CMD) for EXT8, obtained with the Wide Field Camera 3 on board the Hubble Space Telescope. Compared with the CMDs of metal-poor Galactic GCs, we find that the upper red giant branch (RGB) of EXT8 is ∼ 0:03 mag bluer in MF606W − MF814W and slightly steeper, as expected from the low spectroscopic metallicity. The observed colour spread on the upper RGB is consistent with being caused entirely by the measurement uncertainties, and we place an upper limit of σF606W−F814W ≈ 0:015 mag on any intrinsic colour spread. The corresponding metallicity spread can be up to σ[Fe=H] ∼ 0:2 dex or > 0:7 dex, depending on the isochrone library adopted. The horizontal branch (HB) is located mostly on the blue side of the instability strip and has a tail extending to at least MF606W = +3, as in the Galactic GC M15. -
Brightest Stars : Discovering the Universe Through the Sky's Most Brilliant Stars / Fred Schaaf
ffirs.qxd 3/5/08 6:26 AM Page i THE BRIGHTEST STARS DISCOVERING THE UNIVERSE THROUGH THE SKY’S MOST BRILLIANT STARS Fred Schaaf John Wiley & Sons, Inc. flast.qxd 3/5/08 6:28 AM Page vi ffirs.qxd 3/5/08 6:26 AM Page i THE BRIGHTEST STARS DISCOVERING THE UNIVERSE THROUGH THE SKY’S MOST BRILLIANT STARS Fred Schaaf John Wiley & Sons, Inc. ffirs.qxd 3/5/08 6:26 AM Page ii This book is dedicated to my wife, Mamie, who has been the Sirius of my life. This book is printed on acid-free paper. Copyright © 2008 by Fred Schaaf. All rights reserved Published by John Wiley & Sons, Inc., Hoboken, New Jersey Published simultaneously in Canada Illustration credits appear on page 272. Design and composition by Navta Associates, Inc. No part of this publication may be reproduced, stored in a retrieval system, or transmitted in any form or by any means, electronic, mechanical, photocopying, recording, scanning, or otherwise, except as permitted under Section 107 or 108 of the 1976 United States Copyright Act, without either the prior written permission of the Publisher, or authorization through payment of the appropriate per-copy fee to the Copyright Clearance Center, 222 Rosewood Drive, Danvers, MA 01923, (978) 750-8400, fax (978) 646-8600, or on the web at www.copy- right.com. Requests to the Publisher for permission should be addressed to the Permissions Department, John Wiley & Sons, Inc., 111 River Street, Hoboken, NJ 07030, (201) 748-6011, fax (201) 748-6008, or online at http://www.wiley.com/go/permissions. -
Saul J. Adelman
SAUL J. ADELMAN Department of Physics 1434 Fairfield Avenue The Citadel Charleston, SC 29407 Charleston, SC 29409 (843) 766-5348 (843) 953-6943 CURRENT POSITION: Professor of Physics, The Citadel (Aug. 22, 1989 - to date) PAST POSITIONS: Associate Professor of Physics, The Citadel (Aug. 23, 1983 to Aug. 21, 1989) NRC-NASA Research Associate, NASA Goddard Space Flight Center (Aug. 1, 1984 - July 31, 1986) Assistant Professor of Physics, The Citadel (Aug. 21, 1978 - Aug. 22, 1983) Assistant Professor of Astronomy, Boston University (Sept. 1, 1974 - Aug. 31, 1978) NAS/NRC Postdoctoral Resident Research Associate, NASA Goddard SpaceFlight Center (Aug. 1, 1972 - Aug. 31, 1974) EDUCATION: Ph.D. in Astronomy, California Institute of Technology, June 1972; Thesis: A Study of Twenty- One Sharp-lined Non-Variable Cool Peculiar A Stars, December 1971 (Dissertation Abstracts International 33, 543-13, number 77-22, 597) B.S. in Physics with high honors and high honors in physics, University of Maryland, June 1966 ACADEMIC HONORS: Phi Beta Kappa Phi Kappa Phi Sigma Pi Sigma Sigma Xi Summer Institute in Space Physics at Columbia University 1965 NDEA Title IV Fellowship 1966-69 ARCS Foundation Fellowship 1970-71 Citadel Development Foundation Faculty Fellowship 1987-93 Faculty Achievement Award 1989, 1997 Governor’s Award for Excellence in Scientific Research at a Primarily Undergraduate Institution 2011 OBSERVING EXPERIENCE: Guest Investigator, Dominion Astrophysical Observatory 1984-2016 Guest Investigator, Hubble Space Telescope 2003-05, 2011-16 Participant -
Solar and Auroral Evidence for an Intense Recurrent Geomagnetic Storm During December in AD 1128
c Annales Geophysicae (2001) 19: 289–302 European Geophysical Society 2001 Annales Geophysicae Solar and auroral evidence for an intense recurrent geomagnetic storm during December in AD 1128 D. M. Willis1,* and F. R. Stephenson2 1Space and Astrophysics Group, Department of Physics, University of Warwick, Coventry CV4 7AL, UK *Also Honorary Research Associate, Rutherford Appleton Laboratory, Chilton, Didcot, Oxon OX11 0QX, UK; and Visiting Reader in Physics, University of Sussex, Falmer, Brighton BN1 9QH, UK 2Department of Physics, University of Durham, Durham DH1 3LE, UK Received: 4 August 2000 – Revised: 9 January 2001 – Accepted: 19 January 2001 Abstract. The earliest known drawing of sunspots appears ing the interval AD 1127–1129 must have been sufficiently in The Chronicle of John of Worcester, which was compiled intense to produce mid-latitude auroral displays over China in the first half of the twelfth century. In this medieval chron- and Korea, some of which appeared or extended south of the icle, the Latin text describing the sunspots is accompanied by observing site. This last statement remains true even after a colourful drawing, albeit idealised, which shows the appar- proper allowance is made for the fact that during the twelfth ent positions and sizes of two sunspots on the solar disk. The century, the north geomagnetic pole was probably situated date of this observation of sunspots from Worcester, England at the usual high geographic latitude, but in the same geo- is firmly established as AD 1128 December 8. Assuming graphic longitude range as East Asia. Therefore, it may be that the drawing was prepared fairly carefully, the angular inferred that the two series of intense recurrent geomagnetic diameters of the two sunspots are at least about 3 arcmin and storms occurred near a medieval maximum in the “eleven- 2 arcmin in the northern and southern hemispheres, respec- year” solar cycle. -
Spectral Line Shapes in Plasmas
Spectral Line Shapes in Plasmas Edited by Evgeny Stambulchik, Annette Calisti, Hyun-Kyung Chung and Manuel Á. González Printed Edition of the Special Issue Published in Atoms www.mdpi.com/journal/atoms Evgeny Stambulchik, Annette Calisti, Hyun-Kyung Chung and Manuel Á. González (Eds.) Spectral Line Shapes in Plasmas This book is a reprint of the special issue that appeared in the online open access journal Atoms (ISSN 2218-2004) in 2014 (available at: http://www.mdpi.com/journal/atoms/special_issues/SpectralLineShapes). Guest Editors Evgeny Stambulchik Hyun-Kyung Chung Department of Particle Physics International Atomic Energy Agency, Atomic and and Astrophysics, Molecular Data Unit, Nuclear Data Section, P.O. Faculty of Physics, Box 100, A-1400 Vienna, Austria Weizmann Institute of Science, Rehovot 7610001, Israel Annette Calisti Manuel Á. González Laboratoire PIIM, UMR7345, Departamento de Física Aplicada, Escuela Técnica Aix-Marseille Université - CNRS, Superior de Ingeniería Informática, Centre Saint Jérôme case 232, Universidad de Valladolid, Paseo de Belén 15, 13397 Marseille Cedex 20, France 47011 Valladolid, Spain Editorial Office Publisher Production Editor MDPI AG Shu-Kun Lin Martyn Rittman Klybeckstrasse 64 4057 Basel, Switzerland 1. Edition 2015 MDPI • Basel • Beijing • Wuhan ISBN 978-3-906980-82-9 © 2015 by the authors; licensee MDPI AG, Basel, Switzerland. All articles in this volume are Open Access distributed under the Creative Commons Attribution 3.0 license (http://creativecommons.org/licenses/by/3.0/), which allows users to download, copy and build upon published articles, even for commercial purposes, as long as the author and publisher are properly credited. The dissemination and distribution of copies of this book as a whole, however, is restricted to MDPI AG, Basel, Switzerland. -
Macrocosmo .Com Ano I - Edição N° 9 - Agosto De 2004 Revista Macrocosmo .Comi Ano I - Edição N° 9 - Agosto De 2004 Editorial
A PRIMEIRA REVISTA ELETRÔNICA BRASILEIRA EXCLUSIVA DE ASTRONOMIA macroCOSMO .com Ano I - Edição n° 9 - Agosto de 2004 revista macroCOSMO .comi Ano I - Edição n° 9 - Agosto de 2004 Editorial Redação Desde os primórdios da civilização, o Sol sempre [email protected] esteve presente nas religiões antigas, sendo cultuado por diferentes culturas. Disseminador das trevas, o Sol Diretor Editor Chefe foi considerado uma divindade poderosa pelos povos Hemerson Brandão da Mesopotâmia e Egito, capaz de produzir enormes [email protected] secas, mas também produtor do desenvolvimento das Revisão plantas e de todos os seres vivos da Terra. Povos como Gil Magno Cruz os toltecas realizavam sacrifícios humanos em honra ao [email protected] Deus Sol, chegando a travar grandes guerras com o Roberta Maia único propósito de capturar vítimas para seus rituais. [email protected] Tal culto durante toda a história, não poderia ser WebMaster infundado. Nossa estrela mais próxima é fonte de luz e Hemerson Brandão calor e responsável pela vida em nosso planeta. A [email protected] energia transmitida pelo Sol é de vital importância para Diagramadores a manutenção da temperatura na Terra, o ciclo da água Hemerson Brandão e da fotossíntese das plantas. Daí vêm a importância de [email protected] procurarmos entender como funciona essa gigante Rodolfo Saccani fornalha que é o nosso Sol. Pesquisas realizadas pelo [email protected] Sharon Camargo Professor Sabatino Sofia, da Yale University, tem [email protected] tentado demonstrar como as variações do Sol poderiam afetar o clima futuro em nosso planeta. Redatores Um fenômeno que está intimamente ligado às Audemário Prazeres [email protected] variações do Sol, são as manchas vermelhas.