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Watch Video: American astronauts successfully complete 200th spacewalk
Defying an early glitch which could have led to failure of the mission, two American astronauts on Friday carried out the 200th spacewalk.

The walk was carried out at the International Space Station (ISS). 

According to a statement issued by NASA, it was able to "successfully replace a large avionics box that supplies electricity and data connections to the science experiments."

For, Peggy Whitson, one of the astronauts involved in the walk, it was her ninth spacewalk. Whitson also holds the American record for most spacewalks by a female astronaut.

Another astronaut who took part in the spacewalk was Jack Fischer, for whom this was the first spacewalk.

Fischer, 43,  described his first experience of a spacewalk as "Ginormous fondue pot, bubbling over with piping hot awesome sauce".

Amazed by the view of the Earth from above, Fischer exclaimed, "Ooh, it's the Bahamas!" Oh, they are my favorite. Wow, they're so blue."

The comments were carried on live on NASA television. 

Due to the glitch, the spacewalk was delayed by about an hour and began at 9:08 am and ended at 1:21 pm. While genereally, the spacewalks last for about six and a half hours, the 200th spacewalk had to be cut short to about four hours and thirteen minutes because of the glitch. 

The glitch was identified as a small leak of water in equipment that helps power the spacesuits and had affected the servicing and cooling umbilical (SCU). The SCU supplies oxygen and power to the spacesuits.  

The two astronauts also replaced a faulty electronics box that routes commands and data to experiments which weighed about 90 kg and installed a cable that is used to troubleshoot a cooling system problem with the dark matter detector of the International Space Station. 

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