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    Heart Health, Stem Cells, and Physics Keep Crew Busy on Tuesday

    This tranquil view from the International Space Station captures the Kibo laboratory module with its Exposed Facility, a portion of the station’s main solar arrays (right), and part of the Canadarm2 robotic arm (left). The photograph was taken during an orbital sunset as the station soared 270 miles above a cloudy Atlantic Ocean off the coast of South Africa.

    Life science and physics topped the research schedule aboard the International Space Station on Tuesday as the Expedition 73 crew studied heart health, stem cells, fluid physics, and spacecraft fire safety. The orbital residents also completed work on a spacesuit and inspected ventilation and electrical systems while continuing other scientific operations.

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    Monday’s Research Studies Ways to Protect Eyes and Lungs in Space

    Four Expedition 73 flight engineers pose for a playful portrait through a circular opening in a hatch thermal cover aboard the International Space Station. The cover provides micrometeoroid and orbital debris protection while maintaining cleanliness and pressure integrity in the vestibule between Northrop Grumman's Cygnus XL cargo spacecraft and the orbital outpost. The opening allows for visual inspection of hatch alignment, access to the hatch handle or pressure equalization valve, and visibility for sensors or cameras during berthing operations. Clockwise from left, are JAXA (Japan Aerospace Exploration Agency) astronaut Kimiya Yui and NASA astronauts Jonny Kim, Zena Cardman, and Mike Fincke.

    Expedition 73 kicked off the week exploring how to prevent space-caused vision problems and what happens to the respiratory system in microgravity. The International Space Station residents also worked on combustion research and Earth observation gear, organized food and cargo inventory, and serviced life support systems.

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    Sentinel-6B Satellite Acquires Signal

    Mission controllers for Sentinel-6B received full acquisition of signal from the spacecraft at 1:54 a.m. EST Monday, Nov. 17. After cross-calibrating its data, Sentinel-6B will take over from Sentinel-6 Michael Freilich, launched Nov. 21, 2020, to monitor sea levels, measure wind and wave conditions, and improve both short and long-term weather predications. It is expected […]

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    Sea-Level Monitoring Satellite Flying Solo

    The Sentinel-6B satellite is flying on its own after separating from the SpaceX Falcon 9 second stage. Satellite-6B, part of a mission led jointly by NASA, ESA (European Space Agency), EUMETSAT (the European Organisation for the Exploitation of Meteorological Satellites), and the National Oceanic and Atmospheric Administration (NOAA), with funding support from the European Commission […]

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    First Stage Rocket Returns to Earth; Coast Phase Begins

    The SpaceX Falcon 9 rocket’s first stage successfully touched down on Landing Zone 4 East at Vandenberg Space Force Base in California following launch of Sentinel-6B. The Falcon 9 second stage will continue to coast for approximately 45 minutes before igniting for a brief, one-minute burn to align its trajectory with its intended destination in […]

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    Second Stage Engine Start

    The Falcon 9’s second stage Merlin engine, carrying Sentinel-6B, ignited, marking the first of two planned burns that will deliver the satellite to its designated orbit. The rocket’s protective payload fairing separated and is on way back to Earth, where SpaceX plans to recover it.

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    Liftoff! Sentinel-6B Journeys to Orbit

    A SpaceX Falcon 9 rocket carrying the U.S.-European Sentinel-6B satellite launched at 9:21 p.m. PST (12:21 a.m. EST Monday, Nov. 17) from Space Launch Complex 4 East at Vandenberg Space Force Base in California. Sentinel-6B will eventually take over as the official reference satellite for global sea level measurements from its twin, the Sentinel-6 Michael […]

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    NASA Launch Manager Gives ‘Go’ for Launch

    The NASA launch manager, Tim Dunn, has just given a “go” for launch for the Sentinel-6B satellite. This will be the third flight for the first stage booster supporting this mission. Launch is coming up momentarily.

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    Second Stage Fueling Underway for Sentinel-6B Launch

    Fueling is underway for the second stage of the SpaceX Falcon 9 rocket carrying Sentinel-6B, part of a joint mission led by NASA and ESA (European Space Agency), EUMETSAT (the European Organisation for the Exploitation of Meteorological Satellites), and the National Oceanic and Atmospheric Administration (NOAA), with funding support from the European Commission and technical support […]

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    Meet Sentinel-6B Satellite

    Once Sentinel-6B launches, the satellite and its six science instruments are expected to spend the next 5.5 years in orbit collecting data on the rising sea levels and the impacts for us on Earth. The satellite is about the size of a small pickup truck at 19.1 feet (5.82 meters) long, 7.74 feet (2.36 meters) […]

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