lecture_tan6 - Key Concepts: Lecture 6 Constellations...

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Key Concepts: Lecture 6 Constellations Ancient Cosmologies Early Greek Astronomy and the Physics of Aristotle Constellations There are patterns of stars in the sky (celestial sphere) which have not changed significantly over human history Looking up at the sky people imagined pictures and grouped these stars together into constellations This helps us to remember the patterns of the stars Many constellations are associated with stories and legends Constellations Constellations reflect the cultures and times of the people who created them – The oldest constellations used by astronomers today originated in about 3000BC in Mesopotamia • These were hunters, dogs, bears etc… – Southern hemisphere constellations used by astronomers originated in the 17th century by sailors • These were ships, telescopes, compasses etc… Today if we were naming constellations we may see TVs, iPods, cars, space ships etc. .. Orion the Hunter Orion is a prominent winter constellation Located near the Celestial Equator so it can been seen from either hemisphere Located near the Milky Way
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lecture_tan6 - Key Concepts: Lecture 6 Constellations...

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