NASA Astronauts Spacewalk Outside the International Space Station on Jan. 15, 2020

Teacher or professor: NASA
Subject: Astronomy, Astronautics, Astrophysics
Content of the Lesson: On Wednesday, Jan. 15, NASA astronauts Jessica Meir and Christina Koch will step outside of the International Space Station into the vacuum of space together. The duo will replace old nickel-hydrogen batteries with newer, more powerful lithium-ion batteries to continue upgrading station power systems on the Port-6 truss structure. The spacewalk is scheduled to begin at 6:50 a.m. EST and last about six-and-a-half hours.


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