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That's a quick way to get an ass-rash. Or scratchy-scrot---I'll leave...:nono::smokeout:
 
Where's my astronomy nuts at ? Check this out ! On the left is a newer closer Galaxy like our own Milky Way. The one on the right is a representation of an older, further away one. What I want to know is how do the Spiral arms of our Galaxy stay together? Why aren't they ripped apart from the rotation?


Gravity effect on orbits formed them and keep them in shape, so it appears, but they are expanding like everything else in the universe.
 
Good morning! I look forward to following your experiment!

Mornin Pop22. It's supposed to warm up today, I may get some pics of my hugelkulter today. I have decided that I will run the experiment, but I have to simplify it some. The soil testing for biodiversity and biomass is straight up cost prohibitive. So I will be studying water holding capacity instead. I can get those test at the local university cheap.
 
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