Eight Countries, One Earth Photo | International Space Station

Eight Countries, One Earth Photo | International Space Station

An astronaut aboard the International Space Station captured this highly oblique photograph of the Persian Gulf while in orbit over Saudi Arabia. The Gulf drains into the Indian Ocean through the Strait of Hormuz and forms part of the border for eight countries: Iran, Iraq, Kuwait, Saudi Arabia, Bahrain, Qatar, the United Arab Emirates, and Oman.

The Persian Gulf occupies a large depression formed by a tectonic subduction zone between the Arabian and Eurasian plates. The collision of these two tectonic plates also produced the Zagros Mountains in southern Iran, visible to the north-northwest of the Persian Gulf.

The image shows several cities concentrated along the coastline that serve as ports for goods moving in and out of the region. A significant amount of shipping within the Persian Gulf transports oil and petroleum products with an average of 21 million barrels carried through the Strait of Hormuz each day.

The photo provides a unique wide-angle perspective of Earth as viewed by astronauts aboard the space station. The 28 millimeter focal length of the camera lens lends a perspective similar to that of the human eye, which has an average focal length of between 22 to 24 millimeters based on the physical refraction of light. In this view, the camera’s focal length and the astronaut’s framing of the image offer the feeling of peering out over the planet from an altitude of about 250 miles (400 kilometers).

Image Credit:  ISS Crew Earth Observations Facility and the Earth Science and Remote Sensing Unit at NASA's Johnson Space Center

Caption Credit: Cadan Cummings, Jacobs, JETS II Contract at NASA-JSC.

Image Date: Sept. 26, 2023

Release Date: March 10, 2024

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