Martedì, 18 Settembre 2018

Italian astronaut in 'most daring' part of walk


Rome, July 9 - Italian astronaut Luca Parmitano
carried out the most daring and difficult part of Italy's first
space walk Tuesday.
Head-down, Parmitano crawled along the outside of the
International Space Station, clinging onto a robotic arm
operated from the inside of the ISS by his American crewmate
Karen Nyberg.
Parmitano, keenly watched on a live video link from the
Italian Space Agency (ASI) near Rome, then teamed up with fellow
spacewalker Chris Cassidy, another US astronaut, to carry out
the walk's mission.
Working together, the pair began to disassemble one of the
ISS's platforms so that they can mount a new set of thermal
radiators that will enable the ISS to burn off the excess energy
from its array of solar panels.
"Go, Luca go," said ASI chief Enrioco Saggese from the
agency's data centre at Frascati.
Several of the Frascati team cheered as Parmitano linked up
with Cassidy for the crucial operation.
Before setting out across the ISS, Parmitano performed
another key task: photographing the Alpha Magnetic
Spectrometer (AMS) anti-matter hunter.
The AMS, a $2-billion, seven-tonne monster designed to
trawl for anti-matter as well as spotting traces of the dark
matter that makes up 25% of the universe, has to be regularly
"Photographing the AMS is important to get a precise idea
of this essential instrument's state of health," said Claudio
Sollazzo, director of the European Space Agency's Columbus

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