| 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. |
Real stars and galaxies in 3D color. Easy to use. 9,000 stars and 2,400 galaxies. Select stars by magnitude, distance, or spectral type. Displays known planetary star systems. Find stars and galaxies by name and fly to them with a keypress. |
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