PPT-Lab Intro & Lab 1: Celestial Sphere & Planispheres

Tiffany Pewett pewettastrogsuedu 25 Park Place 625E General Lab Info If you dont already have the book you need to get one and make sure you bring it to each lab Please do all labs in pencils scratched out pen is hard to grade. 11 De64257ne celestial equator celestial pole right as cension declination ecliptic equinox solstice and 64257nd these on the celestial sphere Explain how we can use the celestial sphere to model the yearly motion of the Sun and the daily motions of st Charting the Heavens. 1.1 Our Place in Space. . Earth. is average – we don’t occupy any special place in the universe. . Universe. : totality of all space, time, matter, and energy. 1.1 Our Place in Space. Introductory . Astronomy . The . Celestial Sphere. 1. The Celestial Sphere. Pattern of stars . unchanging. : can imagine them fixed on a sphere surrounding Earth. Celestial Sphere. is large and rigid. Detailed Study 3.1. Chapter . 10.1: Motion in the Heavens. Astronomy. The night sky or ‘heavens’ is a spectacular . natural display . best . seen from a dark setting . (away . from city . lights).. de . Física. . em. . experimentação. virtual. Suzana. Nápoles. Dep. de Matemática, Faculdade de Ciências, Universidade de Lisboa (UL) , PORTUGAL. Public. . Awareness. . of. . Mathematics,. 1 The . Celestial Sphere . is the . imaginary. sphere surrounding earth to which all the stars, planets, moons and sun . appear. to be attached.. Constellations. are the areas that the sky is divided up into. There are 88 constellations in the whole celestial sphere.. Ancient naked-eye astronomy. Eighty-eight constellations. The sky. ’. s ever-changing appearance. The celestial sphere. Celestial coordinates. Seasons: Earth. ’. s axial tilt. Precession of Earth. 1. Is the north Star, Polaris, at the . Zenith from . our viewpoint in Gallup? Why or why not?. You are observing the sky at the equator, (this is a time-lapse. photo of what you see). . What part of the celestial sphere could you be looking . Patterns in the Sky. The Constellation Orion. Constellations:. Recognizable patterns in the sky are called Constellations.. There are 88 Constellations. 12 are based on the Zodiac.. Orion, Leo, Aries, Taurus, etc.. The Earth rotates about its axis and revolves around the sun.. We sometimes talk as though the Earth were fixed and the celestial objects (stars, sun, moon, planets) move around us.. This is based on antiquity and is not true but it is sometimes a good way to look at the situation.. Observations of Indigenous People. Enabling people to track seasons when dependent on agriculture. The Moon’s cycle of phases. The seven days are named after the Sun, Moon, and five recognized planets in ancient times. Astrologers generally believe that the movements and positions of celestial bodies can inform them about events experienced on a human scale or that predictions can be made from them.. Astrology is the NONSCIENTIFIC study of the sky and celestial bodies..