Using the Burn Tool (O), it’s possible to represent the mountains’ silhouettes.

Continue to use the same instrument and apply another one – Dodge Tool (O) to continue picturing the mountains.

Represent now the shadows.

Make a copy of the mountains’ layer and select one more time the Free Transform option to turn it over and apply for it this selection – Filter>Blur>Gaussian Blur

Make a mouse click on Create new fill or adjustment layer>Curves on the lowest part of the layers’ panel.

Press Alt button and make a mouse’s click between the layers of Curves effect and the layer in reflection of the mountains for the effect to be applied in the limits of the mountains’ layer.

Make a copy of the last made mountains’ layer and place the layer upper than the Curves effect layer (on the layers’ panel). Use after that the Dodge Tool (O) to light up a little the mountains tops.

Take now the Brush Tool (B) and the color shown here: #3E9FD8 to represent the horizon’s highlight (placing this layer lower than the mountains’ layer and the layer of the black forest).

Combine in a single group both groups of black forest, make a copy of it and choose the Free Transform option to turn over the copy and to place it the way it shown below.

1. New file, goto the scroll menu and select flash, or make it 550×400

2. Press “D” to go back to default colors, fill layer with white (ctrl+Backspace)

3. Time to add a moon, goto Filter, Render, Lighting effects, and use something around these settings.

4. You need to get darker colors for you clouds, I used #898988 and #4b4b4b

5. Make a new layer, then goto Filters, Render, Clouds. (Ctrl+F if you dont like the outcome)

6.Now just goto the Hue/Saturation.
Use something around these settings:
Hue:216
Saturation:19
Lightness:+20

7. Now set the Blending Mode to Overlay

Now it should look something like this:

8.Now make a new layer, set your colors back to defalut (press “D”), and fill the layer with black, Alt+Backspace.

9. Stars now, goto Filters, Noise, Add Noise. Check Gaussian, and Monochromatic and use about 14-16.

10. Set the blending mode on the Noise layer to Soft Light and then your done.

Myn turned out:

And for added effect add another layer with a “Spotlight” Light effect, and play around with the blending mode and order of layers for a shooting star.
and with the shooting star: