But those are not stars it's space debris orbiting the planet seen in the far background, lighting up as it enters the atmosphere. Most of these backgrounds are being used in sci-fi fantasy images anyways. Some are quite spectacular. Alternatively, if you like that background and you'd like to purchase it you can ask the vendor if they got a version without the "stars" I'm pretty sure they'll remove it for you in Photoshop as it's in their interest to make their buyer happy.