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      Preparations for Next Moonwalk Simulations Underway (and Underwater)
      An artist’s concept of NASA’s Europa Clipper shows the spacecraft in silhouette against Europa’s surface, with the magnetometer boom fully deployed at top and the antennas for the radar instrument extending out from the solar arrays.NASA/JPL-Caltech Headed to Jupiter’s moon Europa, the spacecraft is operating without a hitch and will reach Mars in just three months for a gravity assist.
      NASA’s Europa Clipper, which launched Oct. 14 on a journey to Jupiter’s moon Europa, is already 13 million miles (20 million kilometers) from Earth. Two science instruments have deployed hardware that will remain at attention, extending out from the spacecraft, for the next decade — through the cruise to Jupiter and the entire prime mission.
      A SpaceX Falcon Heavy rocket launched it away from Earth’s gravity, and now the spacecraft is zooming along at 22 miles per second (35 kilometers per second) relative to the Sun.
      Europa Clipper is the largest spacecraft NASA has ever developed for a planetary mission. It will travel 1.8 billion miles (2.9 billion kilometers) to arrive at Jupiter in 2030 and in 2031 will begin a series of 49 flybys, using a suite of instruments to gather data that will tell scientists if the icy moon and its internal ocean have the conditions needed to harbor life.
      For now, the information mission teams are receiving from the spacecraft is strictly engineering data (the science will come later), telling them how the hardware is operating. Things are looking good. The team has a checklist of actions the spacecraft needs to take as it travels deeper into space. Here’s a peek:
      Boom Times
      Shortly after launch, the spacecraft deployed its massive solar arrays, which extend the length of a basketball court. Next on the list was the magnetometer’s boom, which uncoiled from a canister mounted on the spacecraft body, extending a full 28 feet (8.5 meters).
      To confirm that all went well with the boom deployment, the team relied on data from the magnetometer’s three sensors. Once the spacecraft is at Jupiter, these sensors will measure the magnetic field around Europa, both confirming the presence of the ocean thought to be under the moon’s icy crust and telling scientists about its depth and salinity.
      To view this video please enable JavaScript, and consider upgrading to a web browser that supports HTML5 video
      This animation shows how the boom of Europa Clipper’s magnetometer deployed — while the spacecraft was in flight — to its full length of 28 feet (8.5 meters). NASA/JPL-Caltech On the Radar
      After the magnetometer, the spacecraft deployed several antennas for the radar instrument. Now extending crosswise from the solar arrays, the four high-frequency antennas form what look like two long poles, each measuring 57.7 feet (17.6 meters) long. Eight rectangular very-high-frequency antennas, each 9 feet (2.76 meters) long, were also deployed — two on the two solar arrays.
      “It’s an exciting time on the spacecraft, getting these key deployments done,” said Europa Clipper project manager Jordan Evans of NASA’s Jet Propulsion Laboratory in Southern California. “Most of what the team is focusing on now is understanding the small, interesting things in the data that help them understand the behavior of the spacecraft on a deeper level. That’s really good to see.”
      Instrument Checkout
      The remaining seven instruments will be powered on and off through December and January so that engineers can check their health. Several instruments, including the visible imager and the gas and dust mass spectrometers, will keep their protective covers closed for the next three or so years to guard against potential damage from the Sun during Europa Clipper’s time in the inner solar system.
      Mars-Bound
      Once all the instruments and engineering subsystems have been checked out, mission teams will shift their focus to Mars. On March 1, 2025, Europa Clipper will reach Mars’ orbit and begin to loop around the Red Planet, using the planet’s gravity to gain speed. (This effect is similar to how a ball thrown at a moving train will bounce off the train in another direction at a higher speed.) Mission navigators already have completed one trajectory correction maneuver, as planned, to get the spacecraft on the precise course.
      At Mars, scientists plan to turn on the spacecraft’s thermal imager to capture multicolored images of Mars as a test operation. They also plan to collect data with the radar instrument so engineers can be sure it’s operating as expected.
      The spacecraft will perform another gravity assist in December 2026, swooping by Earth before making the remainder of the long journey to the Jupiter system. At that time, the magnetometer will measure Earth’s magnetic field, calibrating the instrument.
      More About Europa Clipper
      Europa Clipper’s three main science objectives are to determine the thickness of the moon’s icy shell and its interactions with the ocean below, to investigate its composition, and to characterize its geology. The mission’s detailed exploration of Europa will help scientists better understand the astrobiological potential for habitable worlds beyond our planet.
      Managed by Caltech in Pasadena, California, JPL leads the development of the Europa Clipper mission in partnership with the Johns Hopkins Applied Physics Laboratory in Laurel, Maryland, for NASA’s Science Mission Directorate in Washington. APL designed the main spacecraft body in collaboration with JPL and NASA’s Goddard Space Flight Center in Greenbelt, Maryland, NASA’s Marshall Space Flight Center in Huntsville, Alabama, and Langley Research Center in Hampton, Virginia. The Planetary Missions Program Office at Marshall executes program management of the Europa Clipper mission. NASA’s Launch Services Program, based at Kennedy, managed the launch service for the Europa Clipper spacecraft.
      Find more information about Europa Clipper here:
      https://science.nasa.gov/mission/europa-clipper
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      Gretchen McCartney
      Jet Propulsion Laboratory, Pasadena, Calif.
      818-287-4115
      gretchen.p.mccartney@jpl.nasa.gov 
      Karen Fox / Molly Wasser
      NASA Headquarters, Washington
      202-358-1600
      karen.c.fox@nasa.gov / molly.l.wasser@nasa.gov  
      2024-163
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      Last Updated Nov 25, 2024 Related Terms
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      The SpaceX Dragon spacecraft carrying NASA astronaut Nick Hague and Roscosmos cosmonaut Aleksandr Gorbunov approaches the International Space Station as it orbits 259 miles above Oregon.Credit: NASA In preparation for the arrival of NASA’s SpaceX 31st commercial resupply services mission, four crew members aboard the International Space Station will relocate the agency’s SpaceX Crew-9 Dragon spacecraft to a different docking port Sunday, Nov. 3.
      Live coverage begins at 6:15 a.m. EDT on NASA+ and will end shortly after docking. Learn how to watch NASA content through a variety of platforms, including social media. 
      NASA astronauts Nick Hague, Suni Williams, and Butch Wilmore, as well as Roscosmos cosmonaut Aleksandr Gorbunov, will undock the spacecraft from the forward-facing port of the station’s Harmony module at 6:35 a.m., and redock to the module’s space-facing port at 7:18 a.m.
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      This will be the fifth port relocation of a Dragon spacecraft with crew aboard following previous moves during the Crew-1, Crew-2, Crew-6, and Crew-8 missions.
      Learn more about space station activities by following @space_station and @ISS_Research on X, as well as the ISS Facebook, ISS Instagram, and the space station blog.
      NASA’s SpaceX Crew-9 mission launched Sept. 28 from NASA’s Kennedy Space Center in Florida and docked to the space station Sept. 29. Crew-9, targeted to return February 2025, is the company’s ninth rotational crew mission as a part of the agency’s Commercial Crew Program.
      Find NASA’s commercial crew blog and more information about the Crew-9 mission at:
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      Jimi Russell / Claire O’Shea
      Headquarters, Washington
      202-358-1100
      james.j.russell@nasa.gov / claire.a.o’shea@nasa.gov
      Sandra Jones
      Johnson Space Center, Houston
      281-483-5111
      sandra.p.jones@nasa.gov
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      Last Updated Oct 29, 2024 EditorJessica TaveauLocationNASA Headquarters Related Terms
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    • By NASA
      3 min read
      Preparations for Next Moonwalk Simulations Underway (and Underwater)
      Francisco Rodriguez (aircraft mechanic) services liquid oxygen or LOX on the ER-2 during the Geological Earth Mapping Experiment (GEMx) research project. Experts like Rodriguez sustain a high standard of safety on airborne science aircraft like the ER-2 and science missions like GEMx. The ER-2 is based out of NASA’s Armstrong Flight Research Center in Edwards, California.NASA/Steve Freeman Operating at altitudes above 99% of the Earth’s atmosphere, NASA’s ER-2 aircraft is the agency’s highest-flying airborne science platform. With its unique ability to observe from as high as 65,000 feet, the ER-2 aircraft is often a platform for Earth science that facilitates new and crucial information about our planet, especially when the plane is part of collaborative and multidisciplinary projects.
      “We’re deploying instruments and people everywhere from dry lakebeds in the desert to coastal oceans and from the stratosphere to marine layer clouds just above the surface,” said Kirk Knobelspiesse, an atmospheric scientist at NASA’s Goddard Space Flight Center.  “We live on a changing planet, and it is through collaborative projects that we can observe and understand those changes.”
      One mission that recently benefitted from the ER-2’s unique capabilities is the Plankton, Aerosol, Cloud, ocean Ecosystem Postlaunch Airborne eXperiment (PACE-PAX) project. The PACE-PAX mission uses the ER-2’s capabilities to confirm data collected from the PACE satellite, which launched in February 2024.
      The PACE observatory is making novel measurements of the ocean, atmosphere, and land surfaces, noted Knobelspiesse, the mission scientist for PACE-PAX. This mission is all about checking the accuracy of those new satellite measurements.
      Sam Habbal (quality inspector), Darick Alvarez (aircraft mechanic), and Juan Alvarez (crew chief) work on the network “canoe” on top of the ER-2 aircraft, which provides network communication with the pilot onboard. Experts like these sustain a high standard of safety while outfitting instruments onboard science aircraft like the ER-2 and science missions like the Plankton, Aerosol, Cloud, ocean Ecosystem Postlaunch Airborne eXperiment (PACE-PAX) mission. The ER-2 is based out of NASA’s Armstrong Flight Research Center in Edwards, California.NASA/Genaro Vavuris “The ER-2 is the ideal platform for PACE-PAX because it’s about the closest we can get to putting instruments in orbit without actually doing so,” Knobelspiesse said.
      The collaborative project includes a diverse team of researchers from across NASA, plus the National Oceanic and Atmospheric Administration (NOAA), the Netherlands Institute for Space Research (SRON), the University of Maryland, Baltimore County, the Naval Postgraduate School, and other institutions.
      Similarly, the Geological Earth Mapping eXperiment (GEMx) science mission is using the ER-2 over multiple years to collect observations of critical mineral resources across the Western United States.
      “Flying at this altitude means the GEMx mission can acquire wide swaths of data with every overflight,” said Kevin Reath, NASA’s associate project manager for the GEMx mission, a collaboration between the United States Geological Survey (USGS) and NASA.
      The ER-2 conducted over 80 flight hours in service of the Plankton, Aerosol, Cloud, ocean Ecosystem Postlaunch Airborne eXperiment (PACE-PAX) mission. The ER-2 is uniquely qualified to conduct the high-altitude scientific flights that this project required, and is based at NASA’s Armstrong Flight Research Center in Edwards, California.NASA/Genaro Vavuris The GEMx team collects visible, shortwave infrared, and thermal infrared data using instruments installed onboard the ER-2. Combining these instruments with the aircraft’s capability to fly at high altitudes bears promising results.
      “The dataset being produced is the largest airborne surface mineralogy dataset captured in a single NASA campaign,” Reath said. “These data could help inform federal, tribal, state, and community leaders to make decisions that protect or develop our environment.”
      Learn more about the ER-2 aircraft.
      Learn more about the PACE-PAX mission.
      Learn more about the GEMx mission.
      Learn more about NASA’s Airborne Science Program.
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      Last Updated Oct 24, 2024 EditorDede DiniusContactErica HeimLocationArmstrong Flight Research Center Related Terms
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