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In this video we are going to learn about the International Space Station or ISS. The ISS is the third brightest object in the night sky and it is visible with our naked eye.
Is it like space settlement or some colony setup in the space like we see the movies? Let’s know about it.
The international space station or ISS is not some building floating in the sky or some construction on some solar system object. It is a large spacecraft which orbits around the earth at an average distance of approximately 400 kilometres above Earth. It circles the Earth approximately in 90 minutes at a speed of about 28,800 kilometres per hour. Astronauts staying on ISS experience 16 sunrises and sunsets every day.
The ISS is 109 meters end-to-end, as big as a football pitch and weighs more than 400 tonnes. To build such a big space station, the IIS was taken into space piece by piece and assembled at 400 Kilometres above the Earth’s surface. The assembling of IIS took more than 40 missions.
The ISS is world’s largest international collaborative programme in science and technology involving five participating space agencies
1. NASA from United States,
2. Roscosmos from Russia,
3. JAXA from Japan,
4. ESA from Europe, and
5. CSA from Canada.
The assembly process of ISS started in November 1998. A Russian Proton rocket carried Zarya Functional Cargo Block, the first piece of ISS. The first crew arrived at ISS on 2nd November 2000, and since then the ISS has been continuously occupied. An international crew of 6 astronauts live at the ISS. Till now individuals from 19 countries have visited the ISS.
The ISS has many parts and these parts are called modules. The astronauts live in these modules. There are some modules called Nodes connecting elements between the various modules. To provide electricity in the ISS there are eight solar arrays to convert sunlight to electrical power. There are Robot arms attached outside, which helped to build the space station. The robot arms move astronauts in space when they go outside and also operate science experiments.
The laboratories in ISS allow scientists to do research that could not be done on the Earth. There are thousands of experiments done on the space station ranging from sustainable technology, Solar power, new drugs and vaccine research, plant growth, water recycling, human research and many more. So the International Space Station is bringing myriad benefits to humanity.
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Image/Video Credit: NASA, Pixabay
ESA/NASA Alexander Gerst