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Hey there Sandra.
It is such a big learning curve in the beginning eh?
A couple of basic things re your telescope.
Your scope has no 'Zoom' capability, the focus knob only makes things less or more blurry, you can't zoom in as such.
So if you get a nice sharp image of the moon by adjusting the focus, you can't make it any bigger or smaller, just sharper or blurrier.
To bring things closer (i.e. change the amount of magnification) you need to change the eyepieces.
You have quite a powerful telescope, its focal length is 2032mm, which means (roughly) if it was a camera lens, it would be about the same power as one that is nearly 2 metres long!
To work out how much you can magnify something (like say, Saturn) you divide the focal length (2032mm) by the eyepiece size (I think it comes with a 25mm one)
2032 ÷ 25 = 81.28
So with that eyepiece things get about 80 times bigger (80x magnification)
To bring things closer, you could purchase a 10mm eyepiece
2032÷10 =203.2 times bigger!
A 6mm eyepiece (about as powerful as you can go with that scope, and even then only on a really clear night) is 2032÷6 = 338.66 times bigger!
So to be able to 'Zoom in' you need to pop different eyepieces in the scope, and refocus them.
Now there is another way, you can buy a 'Zoom Eyepiece' that has a zoom capability built in. A typical one can zoom from 24mm to 8mm, so on your scope you could zoom from a magnification of 84x to 254x (and everything in between).
These are great when starting out as you can leave the one eyepiece in, start off zoomed out @ 24mm until you find something to look at, and then zoom in for a closer view.
If you PM me your postal address, I can loan you one for a few weeks to play with, I have a spare at the moment.
As jjj mentioned, the stars don't get any bigger no matter how much you zoom in, but some do reveal secrets, they turn into double stars, and some have little nebulas around them... and the planets of course turn from dots of light into actual planet looking things with details, which are very rewarding to look at, especially Jupiter and Saturn. The moon really benefits from some extra magnification as well.
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