The ISS includes contributions from 15nations. NASA (United States),
Roscosmos (Russia) and the EuropeanSpace Agency are the major partners of
the space station who contribute most ofthe funding; the other partners are the
Japanese Aerospace Exploration Agencyand the Canadian Space Agency.
Its main construction was completedbetween 1998 and 2011, although the
station continually evolves to include newmissions and experiments.
The International Space Station (ISS) isthe largest single structure humans ever
put into space.
The ISS serves as a microgravity andspace environment research laboratory in
which crew members conductexperiments in biology, human biology,physics, astronomy, meteorology, and
The station is divided into twosections, the Russian Orbital Segment
(ROS), which is operated by Russia,and the United States Orbital Segment
(USOS), which is shared by manynations.
NASA astronauts ChristinaKoch and Jessica Meir fixed a
broken part of the powernetwork of the ISS.
It marked the first time in a half-century of spacewalking that awoman floated out without a
why in news?
For free learning, visit www.officerspulse.comhttp://www.officerspulse.com/