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Mathématiques Et Espace
Atelier disciplinaire AD 5 Mathématiques et Espace Anne-Cécile DHERS, Education Nationale (mathématiques) Peggy THILLET, Education Nationale (mathématiques) Yann BARSAMIAN, Education Nationale (mathématiques) Olivier BONNETON, Sciences - U (mathématiques) Cahier d'activités Activité 1 : L'HORIZON TERRESTRE ET SPATIAL Activité 2 : DENOMBREMENT D'ETOILES DANS LE CIEL ET L'UNIVERS Activité 3 : D'HIPPARCOS A BENFORD Activité 4 : OBSERVATION STATISTIQUE DES CRATERES LUNAIRES Activité 5 : DIAMETRE DES CRATERES D'IMPACT Activité 6 : LOI DE TITIUS-BODE Activité 7 : MODELISER UNE CONSTELLATION EN 3D Crédits photo : NASA / CNES L'HORIZON TERRESTRE ET SPATIAL (3 ème / 2 nde ) __________________________________________________ OBJECTIF : Détermination de la ligne d'horizon à une altitude donnée. COMPETENCES : ● Utilisation du théorème de Pythagore ● Utilisation de Google Earth pour évaluer des distances à vol d'oiseau ● Recherche personnelle de données REALISATION : Il s'agit ici de mettre en application le théorème de Pythagore mais avec une vision terrestre dans un premier temps suite à un questionnement de l'élève puis dans un second temps de réutiliser la même démarche dans le cadre spatial de la visibilité d'un satellite. Fiche élève ____________________________________________________________________________ 1. Victor Hugo a écrit dans Les Châtiments : "Les horizons aux horizons succèdent […] : on avance toujours, on n’arrive jamais ". Face à la mer, vous voyez l'horizon à perte de vue. Mais "est-ce loin, l'horizon ?". D'après toi, jusqu'à quelle distance peux-tu voir si le temps est clair ? Réponse 1 : " Sans instrument, je peux voir jusqu'à .................. km " Réponse 2 : " Avec une paire de jumelles, je peux voir jusqu'à ............... km " 2. Nous allons maintenant calculer à l'aide du théorème de Pythagore la ligne d'horizon pour une hauteur H donnée. -
2014-08 AUG.Pdf
August First Light Newsletter 1 message August, 2014 Issue 122 AlachuaAstronomyClub.org North Central Florida's Amateur Astronomy Club Serving Alachua County since 1987 BREAKING NEWS -- ROSETTA HAS JUST ARRIVED AT COMET 67/P Member Member Astronomical League Initiated in late 1993 by Europe and the USA, and launched in 2004, the International Rosetta Mission is an historic first: Send a spacecraft to chase and orbit a comet, ride along as the comet plunges sun ward to learn how a frozen comet transforms by the Sun's warmth, and dispatch a controlled lander to make in situ measurements and make first images Member from a comet's surface. NASA Night Sky Network Ten years later Rosetta has now arrived at Comet 67P/Churyumov- Gerasimenko and just successfully made orbit today, 2014 August 6! Unfortunately, global events have foreshadowed this memorable event and news media have largely ignored this impressive space mission. AAC Member photo: The Rosetta comet mission may be the beginning of a story that will tell more about us -- both about our origins and evolution. (Hence, its name "rosetta" for the black basalt stone with inscriptions giving the first clues to deciphering Egyptian hieroglyphics.) Pictures received over past weeks are remarkable with the latest in the past 24 hours showing awesome and incredible detail including views that show the comet is a connected binary object rotating as a unit in 12 hours. Anyone see the glorious pairing of Venus and Jupiter this morning (2016 Aug. 18)? For images see http://www.esa.int/ spaceinimages/Missions/ Except when Mars is occasionally brighter Rosetta than Jupiter, these two planets are the brightest nighttime sky objects (discounting Example Image (Aug. -
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! -
1949 Celebrating 65 Years of Bringing Astronomy to North Texas 2014
1949 Celebrating 65 Years of Bringing Astronomy to North Texas 2014 Contact information: Inside this issue: Info Officer (General Info)– [email protected]@fortworthastro.com Website Administrator – [email protected] Postal Address: Page Fort Worth Astronomical Society July Club Calendar 3 3812 Fenton Avenue Fort Worth, TX 76133 Celestial Events 4 Web Site: http://www.fortworthastro.org Facebook: http://tinyurl.com/3eutb22 Sky Chart 5 Twitter: http://twitter.com/ftwastro Yahoo! eGroup (members only): http://tinyurl.com/7qu5vkn Moon Phase Calendar 6 Officers (2014-2015): Mecury/Venus Data Sheet 7 President – Bruce Cowles, [email protected] Vice President – Russ Boatwright, [email protected] Young Astronomer News 8 Sec/Tres – Michelle Theisen, [email protected] Board Members: Cloudy Night Library 9 2014-2016 The Astrolabe 10 Mike Langohr Tree Oppermann AL Obs Club of the Month 14 2013-2015 Bill Nichols Constellation of the Month 15 Jim Craft Constellation Mythology 19 Cover Photo This is an HaLRGB image of M8 & Prior Club Meeting Minutes 23 M20, composed entirely from a T3i General Club Information 24 stack of one shot color. Collected the data over a period of two nights. That’s A Fact 24 Taken by FWAS member Jerry Keith November’s Full Moon 24 Observing Site Reminders: Be careful with fire, mind all local burn bans! FWAS Foto Files 25 Dark Site Usage Requirements (ALL MEMBERS): Maintain Dark-Sky Etiquettehttp://tinyurl.com/75hjajy ( ) Turn out your headlights at the gate! Sign -
Sky at Night 55 Moore Marathon - Observing Guide
The Sky at Night 55 Moore Marathon - Observing Guide... Thanks for taking part in the Sky at Night’s Moore Marathon - our 55th anniversary challenge. This guide has been designed to help you fi nd the 55 selected objects in the marathon. We would like you to tell us which of our 55 selected objects you’ve managed to fi nd. If you’ve managed to grab any images of them, then you can share them via our Flickr group at... www.fl ickr.com/groups/bbcskyatnight Remember too that you can keep up with the programme itself at... www.bbc.co.uk/skyatnight The guide has been written for the month of April, when British Summer Time is in force. When we talk about time in the marathon, we mean British Summer Time (BST) - that’s the same time as shown on your clock or watch. BST comes into force during 2012 on March 25th. On this day the clocks go forward by one hour. Please remember that for programme inclusion, we need your completed QUICK or DETAILED forms back by April 24th. Object No. Guide Page Object No. Guide Page Object No. Guide Page 1 2 21 4 41 4 2 2 22 11 42 4 3 2 23 15 43 2 4 2 24 15 44 8 5 4 25 4 45 9 6 4 26 11 46 9 7 8 27 14 47 9 8 8 28 14 48 9 9 8 29 14 49 4 10 4 30 9 50 2 11 4 31 15 51 4 12 9 32 11 52 15 13 10 33 4 53 15 14 10 34 13 54 13 15 10 35 2 55 11 16 10 36 4 17 13 37 2 18 11 38 4 19 14 39 4 20 13 40 11 Page 1 1 The Moon Rating - Easy Best seen with - Naked Eye Visibility - 1-9 April before midnight, 10-17 early hours, 22-30 early evening (programme deadline 24th April) The fi rst object is our very own Moon. -
Fixed Stars Report
FIXED STARS A Solar Writer Report for Andy Gibb Written by Diana K Rosenberg Compliments of:- Cornerstone Astrology http://www.cornerstone-astrology.com/astrology-shop/ Table of Contents · Chart Wheel · Introduction · Fixed Stars · The Tropical And Sidereal Zodiacs · About this Report · Abbreviations · Sources · Your Starsets · Conclusion http://www.cornerstone-astrology.com/astrology-shop/ Page 1 Chart Wheel Andy Gibb 49' 44' 29°‡ Male 18°ˆ 00° 5 Mar 1958 22' À ‡ 6:30 am UT +0:00 ‰ ¾ ɽ 44' Manchester 05° 04°02° 24° 01° ‡ ‡ 53°N30' 46' ˆ ‡ 33'16' 002°W15' ‰ 56' Œ 10' Tropical ¼ Œ Œ 24° 21° 9 8 Placidus ‰ 10 » 13' 04° 11 Š ‘‘ 42' 7 ’ ¶ á ’ …07° 12 ” 05' ” ‘ 06° Ï 29° 29' … 29° Œ45' … 00° Á àà Š à „ 24' ‘ 24' 11' á 6 14°‹ á ¸ 28' Œ14' 15°‹ 1 “ „08° º 5 ¿ 4 2 3 Œ 46' 16' ƒ Ý 24° 02° 22' Ê ƒ 00° 05° Ý 44' 44' 18°‚ 29°Ý 49' http://www.cornerstone-astrology.com/astrology-shop/ Page 2 Astrological Summary Chart Point Positions: Andy Gibb Planet Sign Position House Comment The Moon Virgo 7°Vi05' 7th The Sun Pisces 14°Pi11' 1st Mercury Pisces 15°Pi28' 1st Venus Aquarius 4°Aq42' 12th Mars Capricorn 21°Cp13' 11th Jupiter Scorpio 1°Sc10' 8th Saturn Sagittarius 24°Sg56' 10th Uranus Leo 8°Le14' 6th Neptune Scorpio 4°Sc33' 8th Pluto Virgo 0°Vi45' 7th The North Node Scorpio 2°Sc16' 8th The South Node Taurus 2°Ta16' 2nd The Ascendant Aquarius 29°Aq24' 1st The Midheaven Sagittarius 18°Sg44' 10th The Part of Fortune Virgo 6°Vi29' 7th http://www.cornerstone-astrology.com/astrology-shop/ Page 3 Chart Point Aspects Planet Aspect Planet Orb App/Sep The Moon -
Burr Box 1 Folders 1-15 Burr Box 2 Folders 16-36 Burr Box 3 Folders 37-52 Burr Box 4 Folders 53-72 Burr Box 5 Folders 73-80
Burr Box 1 folders 1-15 Burr Box 2 folders 16-36 Burr Box 3 folders 37-52 Burr Box 4 folders 53-72 Burr box 5 folders 73-80 [8/11/2009 – Rodi York] Burr Collection – page 2 Folder Items Group I – Peter Lord Correspondence (folders 1-6) 1 1 Burr Collection Index 2 6 Peter T. Lord, family letters 1805-1816 Hitta (Mehitabel Gillet) fr her brother Martin Gillet (Baltimore) 20 Nov 1805; in answer to letter of 30 Sept, Martin living with uncle Hitta (Mehitabel Gillet) fr her brother Martin Gillet (Baltimore) 10 Sept 1806; in answer to letter of 29 Aug, refers to death of “Cousin Hall” Hetta (Mehitabel Gillet) (Lyme) fr her brother Martin Gillet, nd; “. For my part I have tried different paths and find in the result that the less intercourse I have with mankind the less are my perplexities & the less I am harassed with anxiety which always press on the mind and increases dissatisfaction . .” Major Peter Lord (“Beloved parents”) (Lyme) fr daughter Sarah W. Lord (Colchester) 12 July 181?; homesick, school, “. I have attended to drawing, painting, Grammar and Geography. There are young ladies who attend the same school I do, and attend to the same pursuits, and I find some of them to be very agreeable [?]. I like my boarding house, tolerable well, although the boarders complain very much of the food, but I have not thought much of that . .” Major Peter Lord (Lyme) fr Matthew Griswold (New Haven) 22 Oct 1816; “Judge Holmes has handed me a Paper signed with your name & request me to draw a Letter to the Govr requesting that you may be dismissed from further service in the Militia . -
Basics of Astrophysics Revisited. I. Mass- Luminosity Relation for K, M and G Class Stars
Basics of astrophysics revisited. I. Mass- luminosity relation for K, M and G class stars Edgars Alksnis [email protected] Small volume statistics show, that luminosity of slow rotating stars is proportional to their angular momentums of rotation. Cause should be outside of standard solar model. Slow rotating giants and dim dwarfs are not out of „main sequence” in this concept. Predictive power of stellar mass-radius- equatorial rotation speed-luminosity relation has been offered to test in numerous examples. Keywords: mass-luminosity relation, stellar rotation, stellar mass prediction, stellar rotation prediction ...Such vibrations would proceed from deep inside the sun. They are a fast way of transporting large amounts of energy from the interior to the surface that is not envisioned in present theory.... They could stir up the material inside the sun, which current theory tends to see as well layered, and that could affect the fusion dynamics. If they come to be generally accepted, they will require a reworking of solar theory, and that carries in its train a reworking of stellar theory generally. These vibrations could reverberate throughout astronomy. (Science News, Vol. 115, April 21, 1979, p. 270). Actual expression for stellar mass-luminosity relation (fig.1) Fig.1 Stellar mass- luminosity relation. Credit: Ay20. L- luminosity, relative to the Sun, M- mass, relative to the Sun. remain empiric and in fact contain unresolvable contradiction: stellar luminosity basically is connected with their surface area (radius squared) but mass (radius in cube) appears as a factor which generate luminosity. That purely geometric difference had pressed astrophysicists to place several classes of stars outside of „main sequence” in the frame of their strange theoretic constructions. -
1455189355674.Pdf
THE STORYTeller’S THESAURUS FANTASY, HISTORY, AND HORROR JAMES M. WARD AND ANNE K. BROWN Cover by: Peter Bradley LEGAL PAGE: Every effort has been made not to make use of proprietary or copyrighted materi- al. Any mention of actual commercial products in this book does not constitute an endorsement. www.trolllord.com www.chenaultandgraypublishing.com Email:[email protected] Printed in U.S.A © 2013 Chenault & Gray Publishing, LLC. All Rights Reserved. Storyteller’s Thesaurus Trademark of Cheanult & Gray Publishing. All Rights Reserved. Chenault & Gray Publishing, Troll Lord Games logos are Trademark of Chenault & Gray Publishing. All Rights Reserved. TABLE OF CONTENTS THE STORYTeller’S THESAURUS 1 FANTASY, HISTORY, AND HORROR 1 JAMES M. WARD AND ANNE K. BROWN 1 INTRODUCTION 8 WHAT MAKES THIS BOOK DIFFERENT 8 THE STORYTeller’s RESPONSIBILITY: RESEARCH 9 WHAT THIS BOOK DOES NOT CONTAIN 9 A WHISPER OF ENCOURAGEMENT 10 CHAPTER 1: CHARACTER BUILDING 11 GENDER 11 AGE 11 PHYSICAL AttRIBUTES 11 SIZE AND BODY TYPE 11 FACIAL FEATURES 12 HAIR 13 SPECIES 13 PERSONALITY 14 PHOBIAS 15 OCCUPATIONS 17 ADVENTURERS 17 CIVILIANS 18 ORGANIZATIONS 21 CHAPTER 2: CLOTHING 22 STYLES OF DRESS 22 CLOTHING PIECES 22 CLOTHING CONSTRUCTION 24 CHAPTER 3: ARCHITECTURE AND PROPERTY 25 ARCHITECTURAL STYLES AND ELEMENTS 25 BUILDING MATERIALS 26 PROPERTY TYPES 26 SPECIALTY ANATOMY 29 CHAPTER 4: FURNISHINGS 30 CHAPTER 5: EQUIPMENT AND TOOLS 31 ADVENTurer’S GEAR 31 GENERAL EQUIPMENT AND TOOLS 31 2 THE STORYTeller’s Thesaurus KITCHEN EQUIPMENT 35 LINENS 36 MUSICAL INSTRUMENTS -
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. -
LCSH Section T
T (Computer program language) T cell growth factor T-Mobile G1 (Smartphone) [QA76.73.T] USE Interleukin-2 USE G1 (Smartphone) BT Programming languages (Electronic T-cell leukemia, Adult T-Mobile Park (Seattle, Wash.) computers) USE Adult T-cell leukemia UF Safe, The (Seattle, Wash.) T (The letter) T-cell leukemia virus I, Human Safeco Field (Seattle, Wash.) [Former BT Alphabet USE HTLV-I (Virus) heading] T-1 (Reading locomotive) (Not Subd Geog) T-cell leukemia virus II, Human Safeco Park (Seattle, Wash.) BT Locomotives USE HTLV-II (Virus) The Safe (Seattle, Wash.) T.1 (Torpedo bomber) T-cell leukemia viruses, Human BT Stadiums—Washington (State) USE Sopwith T.1 (Torpedo bomber) USE HTLV (Viruses) t-norms T-6 (Training plane) (Not Subd Geog) T-cell receptor genes USE Triangular norms UF AT-6 (Training plane) BT Genes T One Hundred truck Harvard (Training plane) T cell receptors USE Toyota T100 truck T-6 (Training planes) [Former heading] USE T cells—Receptors T. rex Texan (Training plane) T-cell-replacing factor USE Tyrannosaurus rex BT North American airplanes (Military aircraft) USE Interleukin-5 T-RFLP analysis Training planes T cells USE Terminal restriction fragment length T-6 (Training planes) [QR185.8.T2] polymorphism analysis USE T-6 (Training plane) UF T lymphocytes T. S. Hubbert (Fictitious character) T-18 (Tank) Thymus-dependent cells USE Hubbert, T. S. (Fictitious character) USE MS-1 (Tank) Thymus-dependent lymphocytes T. S. W. Sheridan (Fictitious character) T-18 light tank Thymus-derived cells USE Sheridan, T. S. W. (Fictitious -
Theory of Stellar Atmospheres
© Copyright, Princeton University Press. No part of this book may be distributed, posted, or reproduced in any form by digital or mechanical means without prior written permission of the publisher. EXTENDED BIBLIOGRAPHY References [1] D. Abbott. The terminal velocities of stellar winds from early{type stars. Astrophys. J., 225, 893, 1978. [2] D. Abbott. The theory of radiatively driven stellar winds. I. A physical interpretation. Astrophys. J., 242, 1183, 1980. [3] D. Abbott. The theory of radiatively driven stellar winds. II. The line acceleration. Astrophys. J., 259, 282, 1982. [4] D. Abbott. The theory of radiation driven stellar winds and the Wolf{ Rayet phenomenon. In de Loore and Willis [938], page 185. Astrophys. J., 259, 282, 1982. [5] D. Abbott. Current problems of line formation in early{type stars. In Beckman and Crivellari [358], page 279. [6] D. Abbott and P. Conti. Wolf{Rayet stars. Ann. Rev. Astr. Astrophys., 25, 113, 1987. [7] D. Abbott and D. Hummer. Photospheres of hot stars. I. Wind blan- keted model atmospheres. Astrophys. J., 294, 286, 1985. [8] D. Abbott and L. Lucy. Multiline transfer and the dynamics of stellar winds. Astrophys. J., 288, 679, 1985. [9] D. Abbott, C. Telesco, and S. Wolff. 2 to 20 micron observations of mass loss from early{type stars. Astrophys. J., 279, 225, 1984. [10] C. Abia, B. Rebolo, J. Beckman, and L. Crivellari. Abundances of light metals and N I in a sample of disc stars. Astr. Astrophys., 206, 100, 1988. [11] M. Abramowitz and I. Stegun. Handbook of Mathematical Functions. (Washington, DC: U.S. Government Printing Office), 1972.