How to Blend the Night Sky and Foreground in Photoshop
A nighttime landscape shot with the Milky Way over the earth below can be dramatic and eye-catching, but they almost always require two separate exposures for the foreground and the sky to get the best image quality. Once you have your two images, you will need to blend them to create a single final frame, and this great video tutorial will show you how to do it using Photoshop.