2003-10-20

Switch to the dark mode that's kinder on your eyes at night time.

Switch to the light mode that's kinder on your eyes at day time.

Switch to the dark mode that's kinder on your eyes at night time.

Switch to the light mode that's kinder on your eyes at day time.

This Day in History: 2003-10-20

(October 20, 2003)
Princeton University scholars find the Sloan Great Wall, which was once the world’s greatest cosmological structure.
photo source: wikimedia.org