Last updated:March 19, 2025, 11:14 IST

Sunita Williams Return: Sunita Williams returned to Earth after 9 months in the International Space Station (ISS). ISS is a research center, located at 402 km height and revolves around the Earth every 90 minutes …Read more

Space Space Station. (Reuters)

Washington: Sunita Williams has returned to Earth after being long in space. For 9 months, she was 'stuck' at the International Space Station (ISS). A few hours after leaving the ISS, his spacex landed in the Gulf of Mexico, away from the Talhasi coast of Florida. We will not know about Sunita Williams, but will learn about the space station where she stayed for 9 months. The International Space Station is a research lab in space. Its construction was completed between 1998 and 2011. Since 2 November 2000, astronauts have been living on it.

ISS is the most expensive project in the world, which cost about $ 150 billion to build. Due to such a huge cost, no one country is fully owned by it. European Space Agency, America, Russia, Canada and Japan have made it together. NASA costs $ 3 billion every year to operate the space station. As of May 2022, 258 astronauts from 20 countries have visited ISS. Most of the US and Russian astronauts have gone here.

How big the space station?
According to the report of Space.com, its size is 109 meters from one point to another. The weight is 419725 kg, which includes visiting vehicles. The solar panel alone covers an acre area. The space station has seven sleeping quarters. It has two bathrooms, a gym and a 360 -degree view window to see the earth.

Space stations located at an altitude of about 402 km of the Earth. The path of its circumambulation can see 90 percent of the population. There are solar panels on it, due to which it can be seen through a telescope.

What is the speed of ISS?
ISS revolves around the earth once every 90 minutes. Its speed is 28,000 km/h. In one day the space station makes the Earth so round, which is equal to the distance from Earth to the moon and coming back.

What do you do at the space station?
Astronauts usually stay for about six months after reaching the space station. During this time, he maintains various scientific experiments and ISS. In addition to work, astronauts spend two hours for exercise and personal care. Sometimes they go outside the space station and also do spacewalk. Going to other planets is also the goal of scientists. In such a situation, ISS is a platform from which he can use how can it be away from the earth on the moon or Mars.