Integrate a 3D interactive live desktop wallpaper and screensaver with your Mac. Check out the display showing Earth from its orbit through a shuttle window. Replace the standard wallpapers or screensavers, control visualization parameters and animations, etc.
Earth 3D 8.1.1 for Mac could be downloaded from the developer's website when we last checked. We cannot confirm if there is a free download of this app available. The actual developer of this Mac application is 3Planesoft. The program lies within Theming Tools, more precisely Screensavers. Please check the Mac app with an antivirus before launch as it is downloaded from the developer's website, and we cannot ensure that it is safe.
From the developer:
Earth 3D turns your monitor into a realistic space shuttle window! Our planet looks exactly as it's seen by astronauts. You see the blackness of outer space with sparks of stars on it. You are flying around the Earth, a colorful ball with a veil of atmosphere.
You may want to check out more Mac applications, such as Earth 3D - Amazing Atlas, Earth 3D Lite or Fireplace 3D, which might be similar to Earth 3D.