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BEIJING, Oct. 15 (Xinhua) -- Shenzhou-5 successfully
completed orbit shift at 15:57 (Beijing time) Wednesday and is flying on a
circular orbit 343 kilometers from the Earth, according to a report by Astronaut
Yang Liwei and the monitoring result.
According to the Beijing Aerospace Command and Control Center, the
spacecraft has shifted from the elliptic orbit with a perigee of 200 kilometers
and an apogee of 350 kilometers to a circular orbit 343 kilometers away from the
Earth.
The orbit shift is crucial to the on-track flight of the spaceship and the
precise landing.
At 15:52, commanders at Beijing Aerospace Command and Control Center
inquired about conditions of the astronaut and Yang Liwei reported that the
air-tightness of the spacesuit was good and the spaceship was in normal
operation.
At 15:54, the orbit shift procedure started. The three-dimensional screen
at the control center shows a plume of orange flare ejected from the rear end of
the spaceship, indicating that the spaceship picked up speed and soon moved into
a state of stable flight. In the whole process, Yang Liwei remained calm. Then,
the Yuanwang No. 2 monitoring vessel in the South Pacific transmitted back data,
showing that the orbit shift succeeded.
During the flight, the spaceship will carry out such experiments as in
space environment exploration and in the micro-gravity levels, according to the
command center. Now the experiments are under way. Enditem |