# The light play on the spirals is coincidence; the spirals were not placed to mark the sun.

> Disputed: The light play on the spirals is coincidence; the spirals were not placed to mark the sun.

Source: https://mysteriesdept.com/mysteries/chaco-canyon/answers/ANS0D9KVKQW67D9/the-light-play-on-the-spirals-is-coincidence-the-spirals  
Publisher: Mysteries Department  
Licence: CC BY 4.0 (credit Mysteries Department and link the page)  

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[Questions](https://mysteriesdept.com/questions)[Great houses of Chaco Canyon](https://mysteriesdept.com/mysteries/chaco-canyon)[Was the Fajada Butte spiral made and used as a solar calendar?](https://mysteriesdept.com/mysteries/chaco-canyon/questions/QST0D9KV4BP04RM/was-the-fajada-butte-spiral-made-and-used-as-a-solar)Answer

Answer · Great houses of Chaco Canyon

# The light play on the spirals is coincidence; the spirals were not placed to mark the sun.

The light play on the spirals is coincidence; the spirals were not placed to mark the sun.

**Disputed** Answers **1** questionPublished0

## Where it stands

**Disputed** Two pieces of evidence for, one against. It needs two reviews to be accepted.

## What it predicts

- Light-marking sites in the region show no excess at the solstices and equinoxes.

## What would rule it out

- A regional excess of markings at the solstices and equinoxes.

## Evidence 2 for · 1 against

[Chance coincidences of light and spiral are common, 20 to 33 per cent of candidate sites in one field test.](https://mysteriesdept.com/mysteries/chaco-canyon/evidence/EVD0D9KVKZP1TBZ/chance-coincidences-of-light-and-spiral-are-common-20-to-33)

Supported

FOR

[The noon shadow events at Fajada's two other marking sites are about what chance gives.](https://mysteriesdept.com/mysteries/chaco-canyon/evidence/EVD0D9KVMFA0NEK/the-noon-shadow-events-at-fajadas-two-other-marking-sites)

Suggestive

FOR

[Two regional surveys find the declinations of light-marking sites clustered at the solstices and equinoxes,…](https://mysteriesdept.com/mysteries/chaco-canyon/evidence/EVD0D9KVM7G4W53/two-regional-surveys-find-the-declinations-of-light-marking)

Supported

AGAINST

## The questions it answers

[Was the Fajada Butte spiral made and used as a solar calendar?](https://mysteriesdept.com/mysteries/chaco-canyon/questions/QST0D9KV4BP04RM/was-the-fajada-butte-spiral-made-and-used-as-a-solar)

Part of [Do the buildings and markers at Chaco encode astronomy?](https://mysteriesdept.com/mysteries/chaco-canyon/questions/QST0D9KTT3J4BBQ/do-the-buildings-and-markers-at-chaco-encode-astronomy)

Most likelyThe site was a sun shrine where the solstices and equinoxes were watched and honoured, not a calendar for…

## Cite it

```
Mysteries Department. (2026). The light play on the spirals is coincidence; the spirals were not placed to mark the sun. [Answer ANS0D9KVKQW67D9]. https://mysteriesdept.com/r/ANS0D9KVKQW67D9
```

Key

**ANS** 0D9KVKQW67D9

Kind

Answer · hypothesis

Origin

Published

Version

1

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