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.

CAPE CANAVERAL, Fla. -- One of NASA’s two stuck astronauts got a much welcomed change of scenery Thursday, stepping out on her first spacewalk since arriving at the International Space Station more than seven months ago.