Create a grey planet and give it a red exploding effect.
Combine a white to black gradient with a wind filter to form a brushed metal look.
Make parts of your photos color, and other parts gray.
If you erase and see only white color, then you must add an alpha channel to your gray layer.
Click Layer > Transparency > Add Alpha Channel
This is another tutorial that shows different ways that a photo can be converted to black and white.
This tutorial shows different ways that a photo can be converted to black and white.
Scroll down to the section "Change the Mode" on this webpage:
<Image> Mode > ...