Astronomy Over the Ages

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Presentation transcript:

Astronomy Over the Ages

NOTES SET-UP

170,000 BC humans just started wearing clothes 4500 BC – The wheel was invented

3000 BC - Cunieform 2550 BC – Pyramids of Giza

1700 BC – Last mammoth 1300 BC – King Tut

1020 BC – Troy was destroyed 1250 BC – Hercules

800 BC – Homer 753 BC – Rome is founded

500 BC – Sanskrit

Earth is round A sphere is a perfect shape made by the Gods Pythagoras

500 BC – Historical ideologies come about Buddha Confucius

Pre-Historic Time - Pre 500 BC Motions of the Sun, Moon, & stars are observed Time and Directions

Classical Period – 500 BC to 1400 AD Philosophers & Togas! Pagan Religions – Gods & Goddesses

Classical Period – 500 BC to 1400 AD Roman republic developed (510 BC)! Julius Caesar & Cleopatra

So, astronomy was booming…. Earth is round – 300 BC Shadow on the moon during an eclipse As travelers continue, they see new stars over the horizon (Aristotle)

Classical Period – 500 BC to 1400 AD Pagan religions are fading & Judaism & Christianity becoming popular

280 BC - Measured the dimensions of the Solar System (Aristarchus) Relative sizes of the planets Mercury – Saturn Heliocentric Model Sun-centered

Size of the Earth – 195 BC

So, what explains this? Ptolemy – 300 AD Geocentric model where planets traveled in epicycles around the Earth

Retrograde motion : some planets appear to move backwards then forwards again

Classical Period – 500 BC to 1400 AD Jesus is crucified Middle Ages – 6oo AD

Classical Period – 500 BC to 1400 AD Vikings – 800 AD Dark Ages

Classical Period – 500 BC to 1400 AD Separation of Catholic & Orthodox Church – 1050 AD Henry the 1st King of England – 1100 AD

Classical Period – 500 BC to 1400 AD Black Death – 1350 AD

Classical Period – 500 BC to 1400 AD Measurements of the heavens Geometry and models to explain motions

But, this wasn’t quite right…. ….Stay tuned to the Renaissance PEriod