Earth's Limb, Or Horizon Metal Ornament

November 21, 2020 - Earth's limb, or horizon, is pictured from the International Space Station as it orbits above the Pacific Ocean off the coast of Chile. Framing the top of the photograph, is a portion of Japan's Kibo laboratory module with its Exposed Facility that houses external experiments to understand the effects of space radiation and extreme temperatures on a variety of materials.