Tag Archives: COSMOS

What is Astronomy? (iii)

(BEING CONTINUED FROM  28/10/12) II: History of Astronomy Early Timeline Ancient Astronomy ~17,000 BC, Lascaux cave paintings depicting celestial events Egypt The Pyramids built with celestial alignments accurate to within a few minutes of arc. Used Diurnal Motions as a … Continue reading

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What is Astronomy? (ii)

(BEING CONTINUED FROM 3/3/12) The Zodiac As Earth orbits, the Sun blocks the view of half the Celestial Sphere, and over the course of the year the Sun’s position in the Celestial Sphere goes through one complete circle (around the … Continue reading

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