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Lec2_2D
Lec2_2D

... with respect to the stars (27 days), and the synodic period with respect to the Sun (29 days). ...
HISTORY OF ASTRONOMY Largely on the basis of
HISTORY OF ASTRONOMY Largely on the basis of

... named the grouping Leo. Of the 88 currently recognized constellations, 48 have come from the listing of the ancient astronomer PTOLEMY. The remainder were added by subsequent astronomers to fill in the areas omitted by the Greeks, especially those in the southern part of the celestial sphere. Conste ...
CONSTELLATION POWER POINT PROJECT
CONSTELLATION POWER POINT PROJECT

... wanted nothing to do with a god. Pulling a trick, Jupiter changed himself into a white bull and walked towards Europa who was picking flowers in a nearby field. Europa was then impressed and eventually got on the bull's back. Immediately the bull ran away and took Europa back to Crete. There, Jupite ...
mean solar day
mean solar day

... groupings made pictures in the sky • We still refer to many of these groupings ...
The Celestial sphere
The Celestial sphere

... 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. Asterisms are found in the constellations; th ...
Document
Document

... The sun shade starts from the line of Aries and runs month after month through all other zodiacal line before returning on the line of Aries... ...
Sample pages 2 PDF
Sample pages 2 PDF

... The most intuitive coordinate system is the alt-azimuth system, based on the location of the observer. The reference plane is the local horizon; the North is the origin of the azimuth coordinate A that varies from 0 to 360◦ toward East, in analogy to the terrestrial longitude. The other coordinate, ...
Telling Time by the Sun - Cornell Astronomy
Telling Time by the Sun - Cornell Astronomy

... 1. The Earth rotates on its axis once every ~24 hours (day). 2. The Earth revolves around the Sun once every ~365 days (year). 3. The Moon revolves around the Earth once every ~28 days (month). 4. The orbital planes of objects in the Solar System lie (almost) in the equatorial planes of the major bo ...
Ch. S1 - Relativity Group
Ch. S1 - Relativity Group

... • Open clusters—young group of stars clumped together, view resembles that of twinkling jewels • Galaxies—view resembles a little cloud of light • Globular clusters—group of hundreds of thousands of stars within our own galaxy • Diffuse nebulae—clouds of gas and dust from which young stars form (e.g ...
Declination Longitude - Just a Dimension Away
Declination Longitude - Just a Dimension Away

... The experience of these circles is simultaneous; thinking and feeling can influence and initiate each other. The ability to separate these modes of perception helps us to articulate the process of event. The upcoming lecture in January will demonstrate the timing windows that are created when you t ...
File - Mr. Gray`s Class
File - Mr. Gray`s Class

...  Johannes Kepler developed 3 laws for how the planets move around the sun. He did this after making detailed studies and observations as to how the planets are ...
The Scientific Method: Tongue Twisters
The Scientific Method: Tongue Twisters

... Tables and/or figures are often presented here to illustrate what is being said in the text. DISCUSSION: Here you explain what your results mean and how your results relate to the original question, hypothesis, and predictions. It is important to tell the reader if the experimental results support o ...
Planisphere Exercise
Planisphere Exercise

... planisphere. As the night progresses, which way do the stars appear to move around the North Star (which is hidden under the brass fastener) – clockwise or counterclockwise? As the night progresses, how do stars appear to move across the southern sky? In what direction does the celestial equator app ...
ASTRO  SYNTHESIS
ASTRO SYNTHESIS

... Using Astrology to Create a Vocational Profile by Faye Cossar Price Australian $ 29.95 In this practical, innovative guide, you will be shown how to combine astrology with the techniques employed by career counsellors. Business astrologer Faye Cossar will show how the horoscope can be used to create ...
cycles
cycles

... Ecliptic ...
Planetary Cycles
Planetary Cycles

... its synodical period, a motion which takes a little over 29 days to complete. With reference to the Earth or a fixed star, the Moon finishes the cycle in about 28 days. This is its sidereal period. An interesting cycle to study is the Lunar or Metonic Cycle, consisting of 19 years, or 235 lunations. ...
Astronomy I – Vocabulary you need to know:
Astronomy I – Vocabulary you need to know:

... Angular measure – Measurement in terms of angles or degrees of arc. An entire circle is divided into 360º, each degree in 60´ (minutes), and each minute into 60´´ (seconds). This scale is used to denote, among other things, the apparent size of celestial bodies, their separation on the celestial sph ...
MoonCat`s Mental ~Astrology Cards ~
MoonCat`s Mental ~Astrology Cards ~

... PLANET – defines doing stuff (generally, & for the purpose at hand) To Make a Sentence using just Planet in House, start your sentence with the PLANET (that means Sun or Moon too!!) omit the words at the end in italics, and finish the sentence with a line from the HOUSE card Example – Mars in 1st Ho ...
Introducing Astronomy
Introducing Astronomy

... Gemini (moving into Taurus, c. 2150 A.D.) ...
The Signs and their Divisions
The Signs and their Divisions

... Fire signs - A E I - represent pure energy and inspiration. They are the fastest conductors by element. Fire tends to be the most naturally active, giving and receiving energy freely. A person with the sun in the pragmatic and sometimes plodding Taurus who has fiery Aries rising will have quicker an ...
Study Guide for 1ST Astronomy Exam
Study Guide for 1ST Astronomy Exam

... The successful student will be able to… Unit 1: Our Planetary Neighborhood  Write the planets in order of increasing distance from the Sun,  Using a ratio determine how much larger one object is compared to another given their diameters,  Convert AU into kilometers and kilometers into AU. Unit 2: ...
Week 4
Week 4

... The tropical year of a bit less than 365.25 days is (to a first approximation) the time from one vernal equinox to the next and corresponds to the seasons Because of the precession of the equinox, this is NOT the same as the sidereal year of a bit more than 365.25 days , which is one revolution in t ...
The Celestial Sphere
The Celestial Sphere

... where α = 0o), defined to be the vernal equinox – the place where the Sun is on the sky on March 21. Similar to the latitude on Earth, the Declination δ of an object on the celestial sphere is measured northward or southward from the plane containing the equator. δ of the equator is 0o, δ of the Nor ...
CENTRAL MICHIGAN UNIVERSITY
CENTRAL MICHIGAN UNIVERSITY

... A mathematical treatment of modern astronomy for majors/minors in the sciences. Coordinate systems, astronomical instruments, time, moon and eclipses, earth as a planet, other solar system objects. ...
Star Crossed Lovers
Star Crossed Lovers

... It was believed that the stars or planets influenced a person’s life. Romeo and Juliet are referred to as “star-crossed lovers”. It was destined that they would meet, fall in love, but that their ...
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Zodiac



In both astrology and historical astronomy, the zodiac (Greek: ζῳδιακός, zōidiakos) is a circle of twelve 30° divisions of celestial longitude that are centered upon the ecliptic, the apparent path of the Sun across the celestial sphere over the course of the year. The paths of the Moon and visible planets also remain close to the ecliptic, within the belt of the zodiac, which extends 8-9° north or south of the ecliptic, as measured in celestial latitude. Because the divisions are regular, they do not correspond exactly to the twelve constellations after which they are named.Historically, these twelve divisions are called signs. Essentially, the zodiac is a celestial coordinate system, or more specifically an ecliptic coordinate system, which takes the ecliptic as the origin of latitude, and the position of the Sun at vernal equinox as the origin of longitude.
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