Open Photoshop. Make a new document (File -> New ).
Create the text you like using Type tool. Right click the layer, and select Rasterize Type (or go to Layer -> Rasterize -> Type).

Go to Edit -> Transform -> Perspective (or Ctrl+T). Drag anchor points until you get perspective you want. Press Enter to apply the effect.

With your type layer selected, hold Ctrl+Alt and press the up arrow key several times until you get the desired thickness.

Now, decorate the top text layer if you like (exp. Filter -> Render -> Lightning Effects).
Select the Eye next to your Background layer to hide it, then go to Layer -> Merge Visible (or Shift+Ctrl+E).

Add Drop Shadow (Layer -> Layer Style -> Drop Shadow) and your 3D text is finished.

Open Photoshop; then open any image to create snow effect.

Create a new layer (Layer -> New -> Layer or Shift+Ctrl+N).
Fill with black color (Edit -> Fill -> Black or Shift+F5).
Set layer mode to Screen.

Apply Filter -> Sketch – > Graphic Pen with following settings:

Apply Filter – > Blur – > Gaussian Blur with radius 0,6 pixels.

You’re finished!

Open Photoshop. Create new document 500×500 px: File -> New (or Ctrl+N). Fill with black colour.
Create a new layer, call it ‘planet‘. Make a perfect circle using elliptical marquee tool. To retrieve the selection later, choose Select > Save Selection; name it ‘circle’ . Do not deselect.
Select the Radial Gradient Tool (colors should be from brown #763D0A to black) and click and drag inside the selection.

Get a nice stone texture. Open the texture up and go to Edit -> Define pattern.

Go back to your planet image, create another layer and call it ‘texture‘.
Ctrl+click the thumbnail icon for the ‘planet‘ layer to load its selection.
Return to the ‘ texture‘ layer and fill the selection with your pattern: Edit -> Fill -> Pattern (or Shift+ F5). Deselect.

Load selection that you saved before by Select > Load Selection.
Apply Spherize Filter (Filter -> Distort -> Spherize). Put the amount to 100. Deselect.
Set blending mode to Overlay.
To eliminate a white outline in the shadow of your planet, load saved ‘circle’ selection.
Go to Select -> Modify -> Contract by 1 pixel. Select Inverse (Shift+Ctrl+I). Delete. Deselect.

Duplicate your ‘planet‘ layer, call it ‘atmosphere‘. Set Fill Opacity to 0%.
Add a layer style:

Create a new layer on the top. Merge it with ‘atmosphere‘ layer (Ctrl+E).
Set blending mode to Linear Dodge. Using big soft brush, erase a bit of atmosphere on the shady side of the planet.