# A strong day-night difference is not an obvious product of a leak.

> A strong day-night difference is not an obvious product of a leak.

Source: https://mysteriesdept.com/mysteries/mars-methane/evidence/EVD0D7EY0CT140X/a-strong-day-night-difference-is-not-an-obvious-product-of-a  
Publisher: Mysteries Department  
Licence: CC BY 4.0 (credit Mysteries Department and link the page)  

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[Mars methane puzzle](https://mysteriesdept.com/mysteries/mars-methane)Evidence

Evidence · Mars methane puzzle

# A strong day-night difference is not an obvious product of a leak.

A strong day-night difference is not an obvious product of a leak.

Speculative0

## What it bears on 1 answer

[The rover's methane readings are an instrumental artefact, chiefly methane leaking from the foreoptics…](https://mysteriesdept.com/mysteries/mars-methane/answers/ANS0D7EXZNC60BA/the-rovers-methane-readings-are-an-instrumental-artefact)

Still possible

AGAINST

## Cite it

```
Mysteries Department. (2026). A strong day-night difference is not an obvious product of a leak. [Evidence EVD0D7EY0CT140X]. https://mysteriesdept.com/r/EVD0D7EY0CT140X
```

Key

**EVD** 0D7EY0CT140X

Kind

Evidence

Tier

Speculative

Version

1

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