Wow!
When my 24” iMac 6,1 arrived toting a GeForce 7600GT GPU some years ago, I had in mind ever more immersive cosmological experiences running on the Mac that really pushes the iron and the software to its very limits. Yes, Cosmographia runs fine on my older Mac.
And, thanks be to Apple for finally shipping an updated nVidia driver 1.6.36 with Mac OS X 10.6.8 and to the developer for some deft use of floating point 3D textures in OpenGL that make Cosmo’s sleek atmosphere renderings possible. btw, NASA’s earth server is back online as of this writing. With geysers on Enceladus, the Voyager missions, and additional tuning of atmosphere renderings on tap, Cosmographia is shaping up to be a must own.
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Cosmographia