Quasar Software

7art Space ScreenSaver by 7art-screensavers.com

7art Space screensaver brings you 22 pictures with incredible cosmic views. The 7art Space screensaver will teleport you into a deep space to vanish away in grandiose star scenery.

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Gravitational Lensing by Wouter Dhondt

With this program, one can draw images to see the effect of gravitational lensing. You can easily test the effects of several parameters by changing them and redrawing the image.

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