How to distribute objects along spiral
Here is an example of distributing objects along spiral:
Create two circles using "Ellipse Tool".
Go to "Object - Blend - Blend Options".
"Blend Options" window will appear. Set "Spacing - Specified Steps" and enter quantity of steps.
Now select both circles and press "Alt+Ctrl+B" or make "Object - Blend - Make".
Here is what we get.
Now we need just replace "Spine". Create spiral using "Spiral Tool" as shown below.
Select all and go to "Object - Blend - Replace Spine".
There is another way to do the same. First - double click on path to enter inside isolated group.
Our circles will distribute between line and spiral. Delete line with "Selection Tool".
Exit isolated group
Now you can "Expand" object.