International Space Station (ISS)

The first module of the ISS, Zarya, was launched on November 20, 1998.

The ISS program is led by the United States, with major contributions from Russia and other international partners.

The ISS is designed to accommodate a crew of six astronauts or cosmonauts at a time.

The primary purpose of the ISS is to conduct scientific research in microgravity and to serve as a platform for space exploration.

As of 2023, the United States has the most astronauts who have visited the ISS, followed by Russia.

The ISS orbits Earth at an average altitude of approximately 400 kilometers (250 miles).

The ISS completes one orbit around Earth in approximately 90 minutes.

The first module of the ISS was Zarya, launched by Russia in 1998.

NASA is responsible for the construction and maintenance of the ISS.

William Shepherd was the first astronaut to live on the ISS, arriving in November 2000.

As of 2023, over 200 spacewalks have been conducted outside the ISS.

The Zvezda module provides living quarters for the ISS crew.

Russia launched the first module of the ISS, Zarya, in 1998.

The Solar Array module provides power to the ISS.

The United States has the most modules on the ISS, including the Destiny, Unity, and Tranquility modules.