Hit space then click where you want your planet to be and the planet will get placed there. Use the arrow keys to change witch planet to place. In order of their distance to there stars, the planets you can place are: 51-Peagsi B Proxima Centuri B Mercury Venus Earth Chicken In A Biscuit Fronos (it doesn't exist, but I wish it did) Mars Jupiter Saturn Uranus Neptune
Thanks to @Ales_Lo for sounds.
