NASA, ISS and X-ray

Two NASA astronauts are currently outside the ISS, repairing an X-ray telescope
Two NASA astronauts are currently hard at work in space, patching up an instrument called NICER (Neutron star Interior Composition Explorer).
Watch 2 NASA astronauts repair X-ray telescope on ISS during a spacewalk today
The two astronauts have a busy day ahead of them. Hague and Williams will "patch light leaks in the NICER X-ray telescope, then ready the Alpha Magnetic Spectrometer for future upgrades," NASA officials wrote in a Jan. 15 blog post.
Nasa astronaut stuck in space ventures outside
Nasa astronaut Suni Williams, one of two astronauts stuck on the International Space Station, has completed her first spacewalk since arriving.
NASA astronauts go on spacewalk to complete repairs
Suni Williams, one of two astronauts who has been stuck on the International Space Station after a technical issue delayed a planned return to Earth, was performing outdoor repair work on Thursday along with astronaut Nick Hague.
Astronauts head out on spacewalk for ISS upgrades
NASA astronauts at the ISS go on a spacewalk to work on some upgrades at the site::Nick Hague and Suni Williams took in views of Earth as they undertook their work. The spacewalk is expected to go for about six hours.
NASA's stuck astronauts on a spacewalk after 7 months in orbit
NASA's stuck astronauts Suni Williams, the station's commander, and Nick Hague step out on a spacewalk to do some repairs after 7 months in orbit.
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