Desktop Star Field is an interactive desktop wallpaper app where stars fly around your screen while being pulled by an artificial gravity affected by your mouse.
Desktop Starfield requires Mac OS X Snow Leopard or Lion

• Two styles of star fields; Classic and Particle
• Runs transparently over your wallpaper.
• Have it start automatically at startup
• Mouse movement can change the stars direction and gravity
• Does not require a a lot of processor power.
• Select the number of starts to your liking.
• Launch at Login option