The Atlantis spacecraft completed its mission on ISS

Astronauts on the space shuttle Atlantis on November 23 completed the third and final outing of the mission this time on the International Space Station (ISS), maintenance and install more high-tech equipment.

Astronaut on space shuttle Atlantis on November 21.(Photo: Reuters)

Scientists have installed a high-pressure oxygen container for Quest air button with a special device that supports experiments to better understand the effects of space, high temperatures and solar radiation. for composite materials and electronics.

In addition, experts also set up wireless video systems to transmit images to ISS and to Earth.

At this time, the Atlantis spacecraft carrying a crew of six and about 12 tons of equipment and spare parts. This 11-day mission is also the fifth and final mission of Atlantis this year.

At 10 years old by November 20, 2008, ISS is the largest international space project of the twentieth century and the twenty-first century, worth 100 billion USD with 16 participating countries. The current weight of the ISS is over 300 tons and will reach 377 tons after being completed.

At first scientists expected the operating time of ISS on orbit to be 15 years.

Currently the participating countries are planning to extend the "life expectancy" of ISS to 2020 and turn it into a "space port" to prepare for research-expeditions between the planets./.