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A Little Bit Of Progress At The Space Station
Houston TX (SPX) Apr 27, 2006 The Russian Progress cargo carrier docked at the International Space Station at 1:41 p.m. Eastern Time Wednesday. The 21st Progress to visit the station delivered 5,040 pounds of equipment and supplies. Included in its cargo are more than 1,900 pounds of propellant, just over 100 pounds of air and oxygen, 661 pounds of water and almost 2,360 pounds of dry cargo. The new Progress also has on board some small crustaceans for a Russian scientific experiment called Aquarium. That experiment looks at stability of closed ecological systems in microgravity. It could provide information useful for lengthy human spaceflights. Progress 21 docked at the aft port of the Zvezda Service Module. Station crewmembers, Expedition 13 commander Pavel Vinogradov and NASA science officer Jeff Williams were scheduled to open the Progress hatch later in the day and begin unloading on Thursday. Progress 20, the sister cargo carrier and predecessor at the station, will remain at the Pirs Docking Compartment until mid-June, after which the crew will fill it with trash and surplus equipment, and undock it. Ground controllers will de-orbit the craft and burn it up in Earth's atmosphere. Progress 21 launched from the Baikonur Cosmodrome in Kazakhstan on Monday at 10:03 p.m. local time. The Russian rocket also carried the first of three small, spherical satellites developed at the Massachusetts Institute of Technology. Called SPHERES - for Synchronized Position Hold Engage Re-orient Experimental Satellites - the mini-satellites are about the size of volleyballs. They are designed to float weightless in space while maintaining a precise position. Their designers think such instruments could serve as parts of a massive telescope looking for planets near other stars. The station crew will conduct the first critical test of SPHERES on May 18 inside the facility. Then, two of the mini-sats will be set adrift and observed to see if they can maintain their positions within one centimeter. "We're doing this because these missions have a lot of new, untried technology," said research team member David W. Miller at MIT. "Testing inside the space station will allow us to mature these technologies in a less risky micro-gravity environment," meaning inside the warm, air-filled station, rather than outside in the hazardous conditions of space." Eventually, the mini-sats will be tested in formation and in orbit, maintaining their positions via radio links, and interacting almost constantly to stay where they belong in relation to one another. The idea is the array will behave like a huge multiple-mirror telescope, with each element's position adjusted frequently to keep the overall instrument properly focused. The research team envisions using advanced versions of SPHERES as robots that can work together on construction projects, repair damage, refuel other satellites or work as parts of other systems - including telescopes of unprecedented size. Two additional SPHERES are scheduled to reach the space station later this year aboard the space shuttle. Community Email This Article Comment On This Article Related Links ISS Space Station News at Space-Travel.Com
Columbus Lab Ready For Delivery To ISS
Paris, France (SPX) Apr 25, 2006ESA said Monday that technicians in Bremen, Germany, have completed final integration of the Columbus laboratory for the International Space Station. The facility will be shipped to Kennedy Space Center, Florida, at the end of next month to prepare for its launch in late 2007 aboard one of NASA's space shuttles. |
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