The article also states 'The astronaut aboard the space station was facing west when they snapped this picture. Astronauts in low-Earth orbit see 16 sunrises and sunsets every day due to their high orbital velocity (more than 17,000 mph, or 28,000 kph).'
The image of the atmosphere of Earth is found here.
The caption of the Space.com image states, 'This spectacular image of sunset on the Indian Ocean was taken by astronauts aboard the International Space Station (ISS).'
And, 'The image presents an edge-on, or limb view, of the Earth's atmosphere as seen from orbit. Credit: NASA."
Learn more about Earth's atmosphere at NASA's Earth's Atmosphere. It states, "The envelope of gas surrounding the Earth changes from the ground up. Four distinct layers have been identified using thermal characteristics (temperature changes), chemical composition, movement, and density."