# The data do not show a seasonal cycle beyond what noise or stochastic variation produces.

> Disputed: The data do not show a seasonal cycle beyond what noise or stochastic variation produces.

Source: https://mysteriesdept.com/mysteries/mars-methane/answers/ANS0D7EY2K40K95/the-data-do-not-show-a-seasonal-cycle-beyond-what-noise-or  
Publisher: Mysteries Department  
Licence: CC BY 4.0 (credit Mysteries Department and link the page)  

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[Questions](https://mysteriesdept.com/questions)[Mars methane puzzle](https://mysteriesdept.com/mysteries/mars-methane)[Does the background follow a seasonal cycle?](https://mysteriesdept.com/mysteries/mars-methane/questions/QST0D7EXX785WEM/does-the-background-follow-a-seasonal-cycle)Answer

Answer · Mars methane puzzle

# The data do not show a seasonal cycle beyond what noise or stochastic variation produces.

The data do not show a seasonal cycle beyond what noise or stochastic variation produces.

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

## Where it stands

**Disputed** One piece of evidence for, none against. It needs two reviews to be accepted.

## What it predicts

- Gaussian-process or periodogram analyses of longer records find no significant seasonal term.

## What would rule it out

- A longer record in which a seasonal term is significant under the same tests.

## Evidence 1 for · none against

[Gaussian-process regression finds the 2018 data as a whole not consistent with seasonal variability.](https://mysteriesdept.com/mysteries/mars-methane/evidence/EVD0D7EY2TY4VQ5/gaussian-process-regression-finds-the-2018-data-as-a-whole)

Suggestive

FOR

## The questions it answers

[Does the background follow a seasonal cycle?](https://mysteriesdept.com/mysteries/mars-methane/questions/QST0D7EXX785WEM/does-the-background-follow-a-seasonal-cycle)

Part of [Is there methane in the air at Gale crater?](https://mysteriesdept.com/mysteries/mars-methane/questions/QST0D7EXWQM6TWB/is-there-methane-in-the-air-at-gale-crater)

Open3 answers, none ahead

## Cite it

```
Mysteries Department. (2026). The data do not show a seasonal cycle beyond what noise or stochastic variation produces. [Answer ANS0D7EY2K40K95]. https://mysteriesdept.com/r/ANS0D7EY2K40K95
```

Key

**ANS** 0D7EY2K40K95

Kind

Answer · hypothesis

Origin

Published

Version

1

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