canadian-space-agency: ESA Astronaut Alexander Gerst aboard the ISS: “At night, Earth’s atmosphere looks most fragile. A thin band of almost nothing, and yet our source of life.” Credit: Alexander Gerst/ESA

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canadian-space-agency: ESA Astronaut Alexander Gerst aboard the ISS: “At night, Earth’s atmosphere looks most fragile. A thin band of almost nothing, and yet our source of life.” Credit: Alexander Gerst/ESA

back to take that, bat girl!