ancient astronomy stonehenge & archeoastronomy greek/roman era (ca. 0) “dark ages” (ca. 1000...

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Ancient Ancient Astronomy Astronomy Stonehenge & Stonehenge & Archeoastronomy Archeoastronomy Greek/Roman Era (ca. 0) Greek/Roman Era (ca. 0) Dark Ages” (ca. 1000 AD) Dark Ages” (ca. 1000 AD)

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Page 1: Ancient Astronomy Stonehenge & Archeoastronomy Greek/Roman Era (ca. 0) “Dark Ages” (ca. 1000 AD)

Ancient AstronomyAncient Astronomy

Stonehenge & ArcheoastronomyStonehenge & Archeoastronomy

Greek/Roman Era (ca. 0)Greek/Roman Era (ca. 0)

““Dark Ages” (ca. 1000 AD)Dark Ages” (ca. 1000 AD)

Page 2: Ancient Astronomy Stonehenge & Archeoastronomy Greek/Roman Era (ca. 0) “Dark Ages” (ca. 1000 AD)

Discussion Question:Discussion Question:

• Stonehenge is a remarkable site. What

makes it so interesting?

• What astronomical alignments are found at

stonehenge? Describe them.

• Do the astronomical alignments imply the

builders knew more than we do; is there

lost or mystical knowledge involved?

Page 3: Ancient Astronomy Stonehenge & Archeoastronomy Greek/Roman Era (ca. 0) “Dark Ages” (ca. 1000 AD)

Stonehenge

• SW England

• Built in 3 stages:

• 3100 BC– Ditch/embankment

• 2500 BC– Bluestones

• 2300 BC– trilithons

Page 4: Ancient Astronomy Stonehenge & Archeoastronomy Greek/Roman Era (ca. 0) “Dark Ages” (ca. 1000 AD)
Page 5: Ancient Astronomy Stonehenge & Archeoastronomy Greek/Roman Era (ca. 0) “Dark Ages” (ca. 1000 AD)
Page 6: Ancient Astronomy Stonehenge & Archeoastronomy Greek/Roman Era (ca. 0) “Dark Ages” (ca. 1000 AD)
Page 7: Ancient Astronomy Stonehenge & Archeoastronomy Greek/Roman Era (ca. 0) “Dark Ages” (ca. 1000 AD)
Page 8: Ancient Astronomy Stonehenge & Archeoastronomy Greek/Roman Era (ca. 0) “Dark Ages” (ca. 1000 AD)

Solstice alignments: sun & moon

Page 9: Ancient Astronomy Stonehenge & Archeoastronomy Greek/Roman Era (ca. 0) “Dark Ages” (ca. 1000 AD)

How precise is “aligned”?