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: 1975-08-20

(August 20, 1975)
Viking 1, a robotic US spacecraft designed to investigate the surface of Mars, was launched on this day in 1975 and landed nearly a year later on Chryse Planitia, a flat lowland region in the planet’s northern hemisphere.

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