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International Space Station

iss061e011841 (Oct. 18, 2019) --- NASA astronaut Jessica Meir waves at the camera during a spacewalk with fellow NASA astronaut...

NASA astronaut Jessica Meir waves at the camera during a spacewalk with fellow NASA astronaut Christina Koch (out of frame). They ventured into the vacuum of space for seven hours and 17 minutes to swap a failed battery charge-discharge unit (BCDU) with a spare during the first all-woman spacewalk. The BCDU regulates the charge to the batteries that collect and distribute solar power to the orbiting lab’s systems.

iss061e014149 (Oct. 27, 2019) --- NASA astronaut Jessica Meir waters plant pillows where Mizuna mustard greens are raised as part...

NASA astronaut Jessica Meir waters plant pillows where Mizuna mustard greens are raised as part of the Veg-04B experiment. This investigation is part of a phased research project to address the need for a continuous fresh food production system in space and focuses on the effects of light quality and fertilizer on a leafy crop. Taste is assessed by the crew.

iss061e038294 (Nov. 13, 2019) --- NASA astronaut Jessica Meir trims leaves and harvests a crop of Mizuna mustard greens grown...

NASA astronaut Jessica Meir trims leaves and harvests a crop of Mizuna mustard greens grown inside the International Space Station's Veggie botany facility located in the Columbus laboratory module.

iss061e126557 (Jan. 15, 2020) --- NASA astronaut Jessica Meir takes an out-of-this-world "space-selfie" during a spacewalk she conducted with NASA...

NASA astronaut Jessica Meir takes an out-of-this-world "space-selfie" during a spacewalk she conducted with NASA astronaut Christina Koch (out of frame) to install new lithium-ion batteries that store and distribute power collected from solar arrays on the station’s Port-6 truss structure.

iss061e011750 (Oct. 18, 2019) --- NASA astronaut Jessica Meir takes an out-of-this-world "space-selfie" with her spacesuit helmet visor down reflecting...

NASA astronaut Jessica Meir takes an out-of-this-world "space-selfie" with her spacesuit helmet visor down reflecting her camera and International Space Station hardware. She and fellow NASA astronaut Christina Koch (out of frame) ventured into the vacuum of space for seven hours and 17 minutes to swap a failed battery charge-discharge unit (BCDU) with a spare during the first all-woman spacewalk. The BCDU regulates the charge to the batteries that collect and distribute solar power to the orbiting lab’s systems.

iss061e033522 (Nov. 11, 2019) --- NASA astronaut Jessica Meir reviews robotics procedures in the U.S. Destiny laboratory module. She will...

NASA astronaut Jessica Meir reviews robotics procedures in the U.S. Destiny laboratory module. She will operate the Canadarm2 robotic arm to support a series of spacewalks by astronauts Luca Parmitano and Andrew Morgan to repair the International Space Station's cosmic particle detector, the Alpha Magnetic Spectrometer (AMS).

iss061e011927 (Oct. 18, 2019) --- NASA astronaut Jessica Meir prepares to exit the crew lock portion of the Quest airlock...

NASA astronaut Jessica Meir prepares to exit the crew lock portion of the Quest airlock into the vacuum of space. She and fellow NASA astronaut Christina Koch (out of frame) conducted a spacewalk for seven hours and 17 minutes to swap a failed battery charge-discharge unit (BCDU) with a spare during the first all-woman spacewalk. The BCDU regulates the charge to the batteries that collect and distribute solar power to the orbiting lab’s systems.

iss061e096628 (Dec. 26, 2019) --- NASA astronaut and Expedition 61 Flight Engineer Jessica Meir prepares DNA samples for sequencing for...

NASA astronaut and Expedition 61 Flight Engineer Jessica Meir prepares DNA samples for sequencing for the Genes in Space-6 experiment. The study explores how cells repair DNA damaged by space radiation to help learn how to protect astronauts on the space station and future missions beyond low-Earth orbit.

iss061e011882 (Oct. 18, 2019) --- With the Earth 250 miles below, NASA astronaut Jessica Meir is pictured tethered to the...

With the Earth 250 miles below, NASA astronaut Jessica Meir is pictured tethered to the outside of the International Space Station during a seven-hour, 17-minute spacewalk she conducted with fellow NASA astronaut Christina Koch (out of frame). The duo swapped a failed battery charge-discharge unit (BCDU) with a spare during the first all-woman spacewalk. The BCDU regulates the charge to the batteries that collect and distribute solar power to the orbiting lab’s systems.

iss061e007080 (Oct. 18, 2019) --- NASA astronaut Jessica Meir is inside the crew lock portion of the U.S. Quest airlock...

NASA astronaut Jessica Meir is inside the crew lock portion of the U.S. Quest airlock ready to begin her first spacewalk at the International Space Station. She and fellow NASA astronaut Christina Koch (out of frame) would venture into the vacuum of space for seven hours and 17 minutes to swap a failed battery charge-discharge unit (BCDU) with a spare during the first all-woman spacewalk. The BCDU regulates the charge to the batteries that collect and distribute solar power to the orbiting lab’s systems.

iss061e026260 (Nov. 1, 2019) --- NASA astronaut Jessica Meir, attached to foot restraints inside the Kibo laboratory module from JAXA...

NASA astronaut Jessica Meir, attached to foot restraints inside the Kibo laboratory module from JAXA (Japan Aerospace Exploration Agency), participates in interviews with journalists from Bangor, Maine and Boston, Massachusetts.

iss061e005311 (Oct. 11, 2019) --- NASA astronaut Christina Koch works while tethered near the Port 6 truss segment of the...

NASA astronaut Christina Koch works while tethered near the Port 6 truss segment of the International Space Station to replace older hydrogen-nickel batteries with newer, more powerful lithium-ion batteries. Fellow NASA astronaut Andrew Morgan (out of frame) assisted Koch during the six-hour and 45-minute spacewalk.

iss061e005307 (Oct. 11, 2019) --- NASA astronaut Christina Koch works while tethered near the Port 6 truss segment of the...

NASA astronaut Christina Koch works while tethered near the Port 6 truss segment of the International Space Station to replace older hydrogen-nickel batteries with newer, more powerful lithium-ion batteries. Fellow NASA astronaut Andrew Morgan (out of frame) assisted Koch during the six-hour and 45-minute spacewalk.

iss061e126405 (Jan. 15, 2020) --- NASA astronaut Jessica Meir is pictured during a spacewalk she conducted with NASA astronaut Christina...

NASA astronaut Jessica Meir is pictured during a spacewalk she conducted with NASA astronaut Christina Koch (out of frame) to install new lithium-ion batteries that store and distribute power collected from solar arrays on the station’s Port-6 truss structure.

iss061e011802 (Oct. 18, 2019) --- NASA astronaut Jessica Meir is pictured during a spacewalk with fellow NASA astronaut Christina Koch...

NASA astronaut Jessica Meir is pictured during a spacewalk with fellow NASA astronaut Christina Koch (out of frame). They ventured into the vacuum of space for seven hours and 17 minutes to swap a failed battery charge-discharge unit (BCDU) with a spare during the first all-woman spacewalk. The BCDU regulates the charge to the batteries that collect and distribute solar power to the orbiting lab’s systems.

iss061e045447 (Nov. 15, 2019) --- NASA astronaut Jessica Meir is at the robotics workstation controlling the Canadarm2 robotic arm to...

NASA astronaut Jessica Meir is at the robotics workstation controlling the Canadarm2 robotic arm to support the first spacewalk to repair the Alpha Magnetic Spectrometer (AMS), the International Space Station's cosmic particle detector. Astronauts Luca Parmitano of ESA (European Space Agency) and Andrew Morgan of NASA worked six hours and 39 minutes in the vacuum of space during the first of at least four planned AMS repair spacewalks.

iss061e068057 (Dec. 9, 2019) --- NASA astronaut and Expedition 61 Flight Engineer Jessica Meir installs the Bone Densitometer in an...

NASA astronaut and Expedition 61 Flight Engineer Jessica Meir installs the Bone Densitometer in an EXPRESS (EXpedite the PRocessing of Experiments to Space Station) rack located inside the Japanese Kibo laboratory module. The Bone Densitometer enables the imaging of rodent bones for the Rodent Research-19 experiment that is investigating two proteins that may prevent muscle and bone loss in space.

iss061e025829 (Oct. 30, 2019) --- NASA astronaut Jessica Meir dines on fresh Mizuna mustard greens she harvested earlier that day...

NASA astronaut Jessica Meir dines on fresh Mizuna mustard greens she harvested earlier that day aboard the International Space Station.

iss061e008788 (Oct. 18, 2019) --- NASA astronaut Jessica Meir conducts her first spacewalk at the International Space Station. She and...

NASA astronaut Jessica Meir conducts her first spacewalk at the International Space Station. She and fellow NASA astronaut Christina Koch (out of frame) ventured into the vacuum of space for seven hours and 17 minutes to swap a failed battery charge-discharge unit (BCDU) with a spare during the first all-woman spacewalk. The BCDU regulates the charge to the batteries that collect and distribute solar power to the orbiting lab’s systems.

iss061e067498 (Dec. 5, 2019) --- NASA astronaut Christina Koch works on a U.S. spacesuit, with a patch of the Italian...

NASA astronaut Christina Koch works on a U.S. spacesuit, with a patch of the Italian flag on the left shoulder, that Commander Luca Parmitano of ESA (European Space Agency) wore during a spacewalk on Dec. 2, 2019.

iss061e048840 (Nov. 19, 2019) --- NASA astronaut Christina Koch works inside Japan's Kibo laboratory module setting up a small satellite...

NASA astronaut Christina Koch works inside Japan's Kibo laboratory module setting up a small satellite deployer loaded with three CubeSats developed by the nations of Japan, Rwanda and Egypt. The deployer was placed inside Kibo's airlock before the Japanese robotic arm grappled it and moved it outside Kibo where it would eject all three CubeSats into Earth orbit.

iss061e011828 (Oct. 18, 2019) --- NASA astronaut Christina Koch takes an out-of-this-world "space-selfie" with the Earth behind her. She and...

NASA astronaut Christina Koch takes an out-of-this-world "space-selfie" with the Earth behind her. She and fellow NASA astronaut Jessica Meir (out of frame) ventured into the vacuum of space for seven hours and 17 minutes to swap a failed battery charge-discharge unit (BCDU) with a spare during the first all-woman spacewalk. The BCDU regulates the charge to the batteries that collect and distribute solar power to the orbiting lab’s systems.

iss061e093837 (Dec. 22, 2019) --- Expedition 61 Flight Engineer and NASA astronaut Christina Koch services the BioFabrication Facility (BFF). The...

Expedition 61 Flight Engineer and NASA astronaut Christina Koch services the BioFabrication Facility (BFF). The BFF is a 3-D biological printer that manufactures organ-like tissues in microgravity and could become a part of a larger system capable of manufacturing whole, fully-functioning human organs from existing patient cells.

iss061e011934 (Oct. 18, 2019) --- NASA astronaut Christina Koch prepares to exit the crew lock portion of the Quest airlock...

NASA astronaut Christina Koch prepares to exit the crew lock portion of the Quest airlock into the vacuum of space. She and fellow NASA astronaut Jessica Meir (out of frame) conducted a spacewalk for seven hours and 17 minutes to swap a failed battery charge-discharge unit (BCDU) with a spare during the first all-woman spacewalk. The BCDU regulates the charge to the batteries that collect and distribute solar power to the orbiting lab’s systems.

iss061e012803 (Oct. 22, 2019) --- NASA astronaut Christina Koch performs science operations in the Microgravity Science Glovebox for the Ring...

NASA astronaut Christina Koch performs science operations in the Microgravity Science Glovebox for the Ring Sheared Drop human health and advanced materials investigation.

iss061e001614 (Oct. 6, 2019) --- NASA astronaut Christina Koch is suited up in a U.S. spacesuit before beginning a seven...

NASA astronaut Christina Koch is suited up in a U.S. spacesuit before beginning a seven hour and one minute spacewalk to upgrade the station's large nickel-hydrogen batteries with newer, more powerful lithium-ion batteries.

iss061e126154 (Jan. 15, 2020) --- NASA astronaut Christina Koch is pictured during a spacewalk she conducted with NASA astronaut Jessica...

NASA astronaut Christina Koch is pictured during a spacewalk she conducted with NASA astronaut Jessica Meir (out of frame) to install new lithium-ion batteries that store and distribute power collected from solar arrays on the station’s Port-6 truss structure.

iss061e126557 (Jan. 15, 2020) --- NASA astronaut Christina Koch is pictured during a spacewalk she conducted with NASA astronaut Jessica...

NASA astronaut Christina Koch is pictured during a spacewalk she conducted with NASA astronaut Jessica Meir (out of frame) to install new lithium-ion batteries that store and distribute power collected from solar arrays on the station’s Port-6 truss structure.

iss061e020169 (Oct. 29, 2019) --- NASA astronaut Christina Koch works on orbital plumbing tasks as she replaces components inside the...

NASA astronaut Christina Koch works on orbital plumbing tasks as she replaces components inside the International Space Station's bathroom, the Waste and Hygiene Compartment, located in the Tranquility module.

iss061e058345 (Nov. 22, 2019) --- NASA astronaut and spacewalker Andrew Morgan takes an out-of-this-world "space-selfie" with his spacesuit's helmet visor...

NASA astronaut and spacewalker Andrew Morgan takes an out-of-this-world "space-selfie" with his spacesuit's helmet visor down during the second spacewalk to repair the International Space Station's cosmic particle detector, the Alpha Magnetic Spectrometer.

iss061e058273 (Nov. 22, 2019) --- NASA astronaut and spacewalker Andrew Morgan points his camera, protected from the hazards of microgravity...

NASA astronaut and spacewalker Andrew Morgan points his camera, protected from the hazards of microgravity by shielding, toward himself to take an out-of-this-world "space-selfie". He and fellow astronaut Luca Parmitano (out of frame) were conducting the second spacewalk to repair the International Space Station's cosmic particle detector, the Alpha Magnetic Spectrometer.

iss061e058284 (Nov. 22, 2019) --- NASA astronaut and spacewalker Andrew Morgan prepares to take a photograph with a camera protected...

NASA astronaut and spacewalker Andrew Morgan prepares to take a photograph with a camera protected from the hazards of microgravity by shielding. He and fellow astronaut Luca Parmitano (out of frame) were conducting the second spacewalk to repair the International Space Station's cosmic particle detector, the Alpha Magnetic Spectrometer.

iss061e068045 (Dec. 9, 2019) --- NASA astronaut and Expedition 61 Flight Engineer Christina Koch handles science hardware stowed inside a...

NASA astronaut and Expedition 61 Flight Engineer Christina Koch handles science hardware stowed inside a cargo transfer bag retrieved from the SpaceX Dragon resupply ship. The hardware is part of the the Cold Atom Laboratory that produces clouds of atoms that are chilled to about one ten billionth of a degree above absolute zero -- much colder than the average temperature of deep space. At these low temperatures, atoms have almost no motion, allowing scientists to study fundamental behaviors and quantum characteristics that are difficult or impossible to probe at higher temperatures.

iss061e008880 (Oct. 18, 2019) --- NASA astronaut Christina Koch conducts her fourth spacewalk at the International Space Station. She and...

NASA astronaut Christina Koch conducts her fourth spacewalk at the International Space Station. She and fellow NASA astronaut Jessica Meir (out of frame) ventured into the vacuum of space for seven hours and 17 minutes to swap a failed battery charge-discharge unit (BCDU) with a spare during the first all-woman spacewalk. The BCDU regulates the charge to the batteries that collect and distribute solar power to the orbiting lab’s systems.

iss061e008829 (Oct. 18, 2019) --- NASA astronaut Christina Koch conducts her fourth spacewalk at the International Space Station. She and...

NASA astronaut Christina Koch conducts her fourth spacewalk at the International Space Station. She and fellow NASA astronaut Jessica Meir (out of frame) ventured into the vacuum of space for seven hours and 17 minutes to swap a failed battery charge-discharge unit (BCDU) with a spare during the first all-woman spacewalk. The BCDU regulates the charge to the batteries that collect and distribute solar power to the orbiting lab’s systems.

iss061e001727 (Oct. 6, 2019) --- NASA astronaut Christina Koch (right) conducts a spacewalk at the Port-6 (P6) truss structure work...

NASA astronaut Christina Koch (right) conducts a spacewalk at the Port-6 (P6) truss structure work site to upgrade International Space Station power systems. She and fellow NASA astronaut Andrew Morgan (left) worked outside in the vacuum of space for seven hours and one minute to begin the latest round of upgrading the station's large nickel-hydrogen batteries with newer, more powerful lithium-ion batteries.

iss061e003327 (Oct. 6, 2019) --- NASA astronaut Christina Koch (top center) conducts a spacewalk at the Port-6 (P6) truss structure...

NASA astronaut Christina Koch (top center) conducts a spacewalk at the Port-6 (P6) truss structure work site to upgrade International Space Station power systems. She and fellow NASA astronaut Andrew Morgan (out of frame) worked outside in the vacuum of space for seven hours and one minute to begin the latest round of upgrading the station's large nickel-hydrogen batteries with newer, more powerful lithium-ion batteries.

iss061e038290 (Nov. 13, 2019) --- NASA astronaut Christina Koch collects and packs Mizuna mustard greens grown and harvested inside the...

NASA astronaut Christina Koch collects and packs Mizuna mustard greens grown and harvested inside the International Space Station's Veggie botany facility located in the Columbus laboratory module.. A portion of the leaves were consumed by the crew for a taste test while the rest were stowed in a science freezer for analysis on Earth.

iss061e054290 (Nov. 22, 2019) --- NASA astronaut Christina Koch and Roscosmos cosmonaut Oleg Skripochka are pictured in the equipment lock...

NASA astronaut Christina Koch and Roscosmos cosmonaut Oleg Skripochka are pictured in the equipment lock portion of the Quest joint airlock. The duo assisted astronauts Andrew Morgan and Luca Parmitano into their U.S. spacesuits and into the crew lock before the spacewalkers began the second spacewalk to repair the Alpha Magnetic Spectrometer's thermal control system.

iss061e005535 (Oct. 11, 2019) --- NASA astronaut Andrew Morgan works while tethered on the Port 6 truss segment of the...

NASA astronaut Andrew Morgan works while tethered on the Port 6 truss segment of the International Space Station to replace older hydrogen-nickel batteries with newer, more powerful lithium-ion batteries. The batteries store and distribute power collected from the station's basketball court-sized solar arrays directly behind Morgan.