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A 26,000-Year Astronomical Monument Hidden in Plain Sight
The western flank of the Hoover Dam holds a celestial map that marks the time of the dam’s creation based on the 25,772-year axial precession of the earth.
- Points
- 389
- HN comments
- 57
- Submissions
- 1
- Cited by
- 0 commenters
Science & SpaceHistory & Retro Computing2019
On Hacker News
| Submitted | Title on HN | Points | Comments |
|---|---|---|---|
| Feb 9, 2019 | A 26,000-Year Astronomical Monument Hidden in Plain Sight by andyjohnson0 | 389 | 57 |
