1. AstronomyTop100.com Ancient Artifacts Category

Here's your chance to speak out. What do you consider the top five greatest ancient artifacts in astronomy and space exploration?

* 1. Please rank order your top five choices from 1 (your top choice) to 5 (your fifth choice)

  1 2 3 4 5
Nebra Sky Disk
Stonehenge
Babylonian Astronomy Records
Mayan Calendar
Chinese Astronomy Records
Antikythera mechanism
Dropa Stones
The Roman Calendar
The Number Zero
Nasca Lines
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