# No mechanism for strong cometary 21-cm emission is known; a cometary hydrogen cloud would be degrees across,…

> No mechanism for strong cometary 21-cm emission is known; a cometary hydrogen cloud would be degrees across, not point-like.

Source: https://mysteriesdept.com/mysteries/wow-signal/evidence/EVD0CXZ4S1R0ZDZ/no-mechanism-for-strong-cometary-21-cm-emission-is-known-a  
Publisher: Mysteries Department  
Licence: CC BY 4.0 (credit Mysteries Department and link the page)  

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Evidence · Wow! signal

# No mechanism for strong cometary 21-cm emission is known; a cometary hydrogen cloud would be degrees across,…

No mechanism for strong cometary 21-cm emission is known; a cometary hydrogen cloud would be degrees across, not point-like.

Supported0

## What it bears on 1 answer

[Hydrogen emission from comets 266P/Christensen or P/2008 Y2 (Gibbs) passing through the region.](https://mysteriesdept.com/mysteries/wow-signal/answers/ANS0CXZ4RJ42P8E/hydrogen-emission-from-comets-266p-christensen-or-p-2008-y2)

Disputed

AGAINST

## Cite it

```
Mysteries Department. (2026). No mechanism for strong cometary 21-cm emission is known; a cometary hydrogen cloud would be degrees across,… [Evidence EVD0CXZ4S1R0ZDZ]. https://mysteriesdept.com/r/EVD0CXZ4S1R0ZDZ
```

Key

**EVD** 0CXZ4S1R0ZDZ

Kind

Evidence

Tier

Supported

Version

1

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