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Listening Window Odisha Knowledge Hub Lecture Series 97

transport things inside and outside the station. The most fortunate thing a cosmonaut gets to do
Using this technology, 41 satellites were launched in Orbit is Space Walk and he was lucky enough to
to orbit over a period of two weeks during his stay. do it twice. Two weeks after the first space walk,
A number of experiments and research are being he had the opportunity to do it again while trying
carried out in space including drugs to fight cancer. to fix an antenna at the bottom of the Space
Station, as the computers which handled external
The cosmonauts are also required to do exercises processes were malfunctioning.
for at least two and a half hours per day, so as to
not lose any bone and muscle mass while they are During space missions, the cosmonauts take
in space. Ultrasound methods are used to keep a pictures of deserts, glaciers, mountains, old and
check on and monitor their exercise protocol and new volcanoes, and eclipses on earth. They look
its effects on their bodies. Due to lack of gravity, at the lakes, rivers, sedimentation on beaches
the cosmonauts face a lot of eyesight problems and at different irrigation effects throughout the
which are also kept in check through ultrasound world. Observing the flow of water from orbit is an
methods.