Template:Infobox nebula/sandbox
 | This is the template sandbox page for Template:Infobox nebula__EXPECTUNUSEDTEMPLATE__ (diff). See also the companion subpage for test cases. |
 | If this page has been recently modified, it may not reflect the most recent changes. Please purge this page to view the most recent changes. |
| Nebula | |
|---|---|
| Observation data | |
| Physical characteristics | |