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

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

tags: take that, bat girl!,

from: https://cid25.tumblr.com/post/91317507040