The Discovery is seen from the space station and began returning to Earth

The shuttle Discovery with seven astronauts aboard, cast off today from the International Space Station, following a mission to complete the installation of solar panels that provide power to the orbital position at 385 kilometers from Earth.
"The separation of the ships has occurred as scheduled at 19.53 GMT," the mission control at Johnson Space Flight Center of NASA in Houston (Texas).
The move was led by Dominic Antonelli pilot at a time when the space shuttle floated on the Indian Ocean at a speed of more than 27,000 kilometers per hour.
"Thanks for the great work they have done during the days that were with us," said the commander of the ISS, Fincke Fick, to say goodbye to the crew of the shuttle.
Shortly before finally exiting the station, Antonelli made a maneuver to allow the Discovery's crew took photographs of the new solar arrays installed during the mission.
Discovery left the ISS one days prior to departure from the Baikonor cosmodrome in Central Asia, a Russian Soyuz spacecraft that carried the crew of another station replacement.
The shuttle took EEI andalusia Japanese astronaut Koichi Wakata, and moved back to the Earth to the U.S. flight engineer Sandra Magnus, who stayed four months in orbit and a half.
During the almost 10 days that remained Discovery docked with the orbital platform, shuttle astronauts performed three space walks.
In extravehicular activities (EVA), have installed solar panels in the past the ISS, they added a segment to the central beam and put in place a system to convert urine into drinking water.
The solar panels will increase the supply of energy in the space station from May to house six occupants on a permanent basis.
The Discovery mission will end on Saturday when he returns to Kennedy Space Center in Florida.
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