US "Cygnus" spacecraft with 3D printers to the space station
After about three days of flight, the US track ATK's "Cygnus" cargo spacecraft arrived at the International Space Station on the 26th, bringing a new version of 3D printers , astronaut supplies and some interesting experimental equipment.
US "Cygnus" spacecraft to bring 3D printing machine arrived space station
This is the fifth space station cargo mission of "Cygnus". Among the approximately 3.5 tons of materials it carries, there is a new space station "permanent member" - an upgraded version of the 3D printer. NASA sent a 3D printer to the space station in 2014. This time it was an upgraded version of the printer that was twice the size of the old version and could print larger parts and equipment.
The spacecraft also contains some interesting research items. For example, the "Gecko Claw" experiment will study whether the artificial material of the Gecko foot bristles still has adhesion in space; the space meteor experiment will first enter the chemical composition of the meteor in the Earth's atmosphere from space research; the soil layer experiment will analyze the microgravity environment to the asteroid The influence of soil without small atmospheric celestial weathering layer.
According to the plan, "Cygnus" will dock with the space station for about two months, then carry nearly 1.5 tons of garbage removed from the space station back to Earth, and eventually burned over the Pacific Ocean. However, unlike the previous missions, the ground control personnel will remotely place a "fire" on the spacecraft after the "Cygnus" left the space station and self-immolation. NASA said that this "spacecraft flame experiment" will help to understand the impact of the microgravity environment on the spread of fire, in order to develop better fireproof materials and technologies.
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