国際宇宙ステーションのインスタグラム(iss) - 4月18日 23時20分

“Some views you don’t just see with your eyes, but rather you feel them in your soul.” — NASA Astronaut Anne McClain

Orbiting the Earth every 90 minutes, astronauts aboard the space station see 16 sunrises and sunsets daily. To keep crew members’ circadian rhythms in check, the space station uses special lights with full intensity and color temperature control, designed to mimic the true diurnal cycle of sunlight.

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