Lots of different ways, You could leave it blank, when you finish with your main scene, Mask render all objects. Render a star scene and save that, then layer them together in Photoshop. Do as drawbridgep says with a 2D plane & star material, or also on a sphere. Masking out layers will allow you much more control, You can also touch up the background with Universe Image creator which makes some great space fields. Good Luck & let us know how you make out. Happy Holidays ICM

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Ockham's razor- It's that simple