Now the welcome page will play a random slideshow of images. I plan to change them seasonally.
This season’s theme is solar system with impossible optics (i.e. impractical levels of camera zoom).
Earth’s Atmosphere and the Sun 
Earth and Moon 
Titan in front of Saturn 
Europa in front of Jupiter 
Triton in front of Neptune 
Saturn with Titan’s shadow 
Phobos in front of Mars 
Pluto and Charon 
Earth and Moon, II 
Sedna 
Ariel in front of Uranus 
Io and Ganymede 
Venus and Comet C/2020 F3 (NEOWISE) 
HDR Photo of the Sun and C/2020 F3 
Mercury
Produced using Space Engine Pro 0.990.40.1813
Yourong Frank Wang 