# The light curve shows no secular change in spin, which is in tension with how outgassing comets spin up.

> The light curve shows no secular change in spin, which is in tension with how outgassing comets spin up.

Source: https://mysteriesdept.com/mysteries/oumuamua/evidence/EVD0CSKC2B22PP3/the-light-curve-shows-no-secular-change-in-spin-which-is-in  
Publisher: Mysteries Department  
Licence: CC BY 4.0 (credit Mysteries Department and link the page)  

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[1I/'Oumuamua](https://mysteriesdept.com/mysteries/oumuamua)Evidence

Evidence · 1I/'Oumuamua

# The light curve shows no secular change in spin, which is in tension with how outgassing comets spin up.

The light curve shows no secular change in spin, which is in tension with how outgassing comets spin up.

Suggestive0

## What it bears on 1 answer

[Outgassing of water or another undetected ordinary volatile from an icy body, below the limits of every…](https://mysteriesdept.com/mysteries/oumuamua/answers/ANS0CSKC0W61KZV/outgassing-of-water-or-another-undetected-ordinary-volatile)

Still possible

AGAINST

## Cite it

```
Mysteries Department. (2026). The light curve shows no secular change in spin, which is in tension with how outgassing comets spin up. [Evidence EVD0CSKC2B22PP3]. https://mysteriesdept.com/r/EVD0CSKC2B22PP3
```

Key

**EVD** 0CSKC2B22PP3

Kind

Evidence

Tier

Suggestive

Version

1

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