2. Now press the ‘L’ key on your keyboard, this should automatically select the ellipse tool, so you can start drawing some circles.

3. With the ‘Shift’ key held down, click and drag the mouse to make a circle, as big or as large as you like.

You’ll get something like this:

4. I’m sure you’ll want to change the colours, so pick some new ones from the drop down boxes on the ‘Path’ panel at the top of your screen (while your circle is selected)

You can also change the size of the line around the outside, by changing the stroke to 4 pt (or whatever you like) You should now have something like this:

5. Now add another, smaller circle wherever you like within it, and make it white, or close to it, depending on the shade you like.

6. Now select both of these circles by clicking on one of them, then holding down the ‘Shift’ key and clicking on the other.

7. Go up to the top menu and click ‘Object’ then ‘Blend’ then ‘Make’, or simply press ‘Ctrl’+'Alt’+'B’ on the keyboard

You should get something like this:

also by making other circles of different colours and using the transparency bar, you can create some nice glassy orb effects.