Sols 4443-4444: Four Fours for February

Sols 4443-4444: Four Fours for February

2 min read

Sols 4443-4444: Four Fours for February

A color image showing a pale tan-orange rock surface, which is smooth in some areas and rough, and layered in others, like a stucco wall. Resting atop the surface are lines creating various shapes – a hexagon dominating the image center, a diamond nestled below that, others off to the lower right and right sides of the image. These lines trace areas making them look like walled gardens viewed overhead from a great height.
NASA’s Mars rover Curiosity acquired this image from about 25 centimeters (about 10 inches) away from the polygonally-fractured bedrock target named “Coldwater Canyon.” Curiosity captured the image using its Mars Hand Lens Imager (MAHLI), located on the turret at the end of the rover’s robotic arm, on Feb. 2, 2025 — sol 4441, or Martian day 4,441 of the Mars Science Laboratory Mission — at 08:40:11 UTC.
NASA/JPL-Caltech/MSSS

Earth planning date: Monday, Feb. 3, 2025

Another successful weekend plan left us about 23 meters (about 75 feet) farther down our Mount Sharp Ascent Route (MSAR), with all our science data downlinked to Earth and the planet clocks aligned once more. We only have until 18:26 Pacific time to get this Monday’s plan uplinked (due to the Soliday over the weekend), and two full days of science to plan! 

Our first sol science block starts at 12:06 local Gale Crater time, including a ChemCam long-distance RMI mosaic and a five-shot laser on bedrock. After ChemCam is done, Mastcam is planning 42 images, including ChemCam’s LIBS spots, some meteorite fragments, sand troughs between bedrock blocks, and interesting vein structures in our surrounding terrain. Navcam is planning to finish out that science block with a large dust devil survey. After our remote science wraps up, we’ve committed the hours between about 15:00 and 22:45 to our full contact science suite. Luckily, SRAP passed yet again and we took the opportunity to plan two targets — “San Rafael Hills” as our DRT target and “Allison Mine” as a potential meteorite target. 

After a nice, long sleep our rover will wake up at 09:53 local Gale time and start another round of remote science to start the sol. This time ChemCam will shoot their laser at the potential meteorite and contact target Allison Mine, with Mastcam following up to document the spots. After one last 20-minute sweep of Texoli butte through Mastcam, it’s time to pack up and head back down the MSAR. Hopefully our drive goes well again and we’ll find ourselves about 36 meters (about 118 feet) away on Wednesday!

Written by Natalie Moore, Mission Operations Specialist at Malin Space Science Systems

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Last Updated
Feb 06, 2025

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Space Navigation Test, Plasma Crystal Research Top Wednesday Science Schedule

Space Navigation Test, Plasma Crystal Research Top Wednesday Science Schedule

Astronaut Butch Wilmore conducts a spacewalk 259 miles above Earth while orbiting into a sunset above Eastern Europe on Jan. 30, 2025.
Astronaut Butch Wilmore conducts a spacewalk 259 miles above Earth while orbiting into a sunset above Eastern Europe on Jan. 30, 2025.

Space navigation and plasma crystals were the main research topics aboard the International Space Station on Wednesday. The Expedition 72 crew also reorganized cargo and continued cleaning up after last week’s spacewalk.

Accurate navigation is critical as crew spacecraft are being readied to travel farther away from Earth-orbiting satellite systems and toward the Moon. NASA Flight Engineer Don Pettit installed and activated the Navigation and Communication Testbed (NAVCOM) demonstration hardware inside the Columbus laboratory module. NAVCOM is being tested as a more accurate alternative to a constellation of satellites known as the Global Navigation Satellite System. NAVCOM may inform the development of lunar stations to transmit precise navigation data such as position and time on future crewed missions to the Moon.

Station Commander Suni Williams of NASA spent most of her day on cargo and life support work in the orbital lab. She primarily worked inside the Permanent Multipurpose Module reconfiguring the cargo hold to optimize space. Williams also spent a few moments transferring clean water from the Tranquility module into Roscosmos water tanks for temporary stowage.

Williams later joined NASA Flight Engineers Butch Wilmore and Nick Hague servicing spacesuits and stowing tools used during a Jan. 30 spacewalk. Following her cargo and maintenance work, Williams wrapped up her shift stowing spacesuit batteries and preparing them for upcoming recharging activities. Wilmore and Hague worked throughout the day in the Quest airlock stowing a variety of spacewalking tools used during the science and maintenance spacewalk.

Roscosmos Flight Engineer Aleksandr Gorbunov started his day setting up a video monitor for a study observing electrons, ions, neutral gas, and microparticles that interact strongly when charged and can turn into plasma crystals. Gorbunov also assisted Williams with the water transfer tasks then replaced hardware in the Zvezda service module that purifies water vapor into potable water.

Flight Engineers Alexey Ovchinin and Ivan Vagner spent their day on routine maintenance and ongoing science activities inside the orbital outpost’s Roscosmos segment. Ovchinin completed carbon dioxide monitoring near crew work areas and crew quarters then worked on Zvezda’s oxygen generator. Vagner participated in a test to improve how international crews communicate with mission controllers from around the world.


Learn more about station activities by following the space station blog@space_station and @ISS_Research on X, as well as the ISS Facebook and ISS Instagram accounts.

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Mark Garcia

NASA Brings Space to New Jersey Classroom with Astronaut Q&A

NASA Brings Space to New Jersey Classroom with Astronaut Q&A

Astronaut Nick Hague swaps samples of materials to observe how they burn in weightlessness.
(Jan. 13, 2025) Astronaut Nick Hague swaps samples of materials to observe how they burn in weightlessness.
Credit: NASA

Students from the Thomas Edison EnergySmart Charter School in Somerset, New Jersey, will have the chance to connect with NASA astronaut Nick Hague as he answers prerecorded science, technology, engineering, and mathematics (STEM) related questions from aboard the International Space Station.

Watch the 20-minute space-to-Earth call at 11:10 a.m. EST on Tuesday, Feb. 11, on NASA+ and learn how to watch NASA content on various platforms, including social media.

Media interested in covering the event must RSVP by 5 p.m., Thursday, Feb. 6, to Jeanette Allison at: oyildiz@energysmartschool.org or 732-412-7643.

For more than 24 years, astronauts have continuously lived and worked aboard the space station, testing technologies, performing science, and developing skills needed to explore farther from Earth. Astronauts aboard the orbiting laboratory communicate with NASA’s Mission Control Center in Houston 24 hours a day through SCaN’s (Space Communications and Navigation) Near Space Network.

Important research and technology investigations taking place aboard the space station benefit people on Earth and lay the groundwork for other agency missions. As part of NASA’s Artemis campaign, the agency will send astronauts to the Moon to prepare for future human exploration of Mars; inspiring Artemis Generation explorers and ensuring the United States continues to lead in space exploration and discovery.

See videos and lesson plans highlighting space station research at:

https://www.nasa.gov/stemonstation

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Abbey Donaldson
Headquarters, Washington
202-358-1600
Abbey.a.donaldson@nasa.gov

Sandra Jones 
Johnson Space Center, Houston
281-483-5111
sandra.p.jones@nasa.gov

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Tiernan P. Doyle

NASA Invites Media to Learn about Spacecraft Autonomous Tech Firsts

NASA Invites Media to Learn about Spacecraft Autonomous Tech Firsts

NASA’s Ames Research Center in Silicon Valley invites media to learn more about Distributed Spacecraft Autonomy (DSA), a technology that allows individual spacecraft to make independent decisions while collaborating with each other to achieve common goals – without human input. The DSA team achieved multiple firsts during tests of such swarm technology as part of the agency’s project. 

DSA develops software tools critical for future autonomous, distributed, and intelligent spacecraft that will need to interact with each other to achieve complex mission objectives. Testing onboard the agency’s Starling mission resulted in accomplishments including the first fully distributed autonomous operation of multiple spacecraft, the first use of space-to-space communications to autonomously share status information between multiple spacecraft, and more. 

DSA’s accomplishments mark a significant milestone in advancing autonomous systems that will make new types of science and exploration possible. 

Caleb Adams, DSA project manager, is available for interview on Wednesday, Feb. 5 and Thursday, Feb. 6. To request an interview, media can contact the Ames Office of Communications by email at arc-dl-newsroom@nasa.gov or by phone at 650-604-4789.  

Learn more about NASA Ames’ world-class research and development in aeronautics, science, and exploration technology at: 

https://www.nasa.gov/ames

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Tiffany Blake
Ames Research Center, Silicon Valley 
650-604-4789 
tiffany.n.blake@nasa.gov  

To receive local NASA Ames news, email local-reporters-request@lists.arc.nasa.gov with “subscribe” in the subject line. To unsubscribe, email the same address with “unsubscribe” in the subject line.  

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Tara Friesen

Wind Over Its Wing: NASA’s X-66 Model Tests Airflow

Wind Over Its Wing: NASA’s X-66 Model Tests Airflow

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Preparations for Next Moonwalk Simulations Underway (and Underwater)

There is a half model of an airplane in the center of the photo that is painted white, the background of the photo is black in the center with blue lights all around the side. The floor that the half model of the plane sits on is white.
NASA’s Sustainable Flight Demonstrator project concluded wind tunnel testing in the fall of 2024. Tests on a Boeing-built X-66 model were completed at NASA’s Ames Research Center in California’s Silicon Valley in its 11-Foot Transonic Unitary Plan Facility. The model underwent tests representing expected flight conditions to obtain engineering information to influence design of the wing and provide data for flight simulators.
NASA/Brandon Torres Navarrete

NASA’s Sustainable Flight Demonstrator (SFD) project recently concluded wind tunnel tests of its X-66 semi-span model in partnership with Boeing. The model, designed to represent half the aircraft, allows the research team to generate high-quality data about the aerodynamic forces that would affect the actual X-66.

Test results will help researchers identify areas where they can refine the X-66 design – potentially reducing drag, enhancing fuel efficiency, or adjusting the vehicle shape for better flying qualities.

Tests on the Boeing-built X-66 semi-span model were completed at NASA’s Ames Research Center in California’s Silicon Valley in its 11-Foot Transonic Unitary Plan Facility. The model underwent tests representing expected flight conditions so the team could obtain engineering information to influence the design of the aircraft’s wing and provide data for flight simulators.

Photo with part of an airplane wing colored white, with markings is in the foreground, the background has white vertical lines.
NASA’s Sustainable Flight Demonstrator project concluded wind tunnel testing in the fall of 2024. Tests on a Boeing-built X-66 model were completed at NASA’s Ames Research Center in California’s Silicon Valley in its 11-Foot Transonic Unitary Plan Facility. Pressure points, which are drilled holes with data sensors attached, are installed along the edge of the wing and allow engineers to understand the characteristics of airflow and will influence the final design of the wing.
NASA/Brandon Torres Navarrete

Semi-span tests take advantage of symmetry. The forces and behaviors on a model of half an aircraft mirror those on the other half. By using a larger half of the model, engineers increase the number of surface pressure measurements. Various sensors were placed on the wing to measure forces and movements to calculate lift, drag, stability, and other important characteristics.

The semi-span tests follow earlier wind tunnel work at NASA’s Langley Research Center in Hampton, Virginia, using a smaller model of the entire aircraft. Engineers will study the data from all of the X-66 wind tunnel tests to determine any design changes that should be made before fabrication begins on the wing that will be used on the X-66 itself.

The SFD project is NASA’s effort to develop more efficient aircraft configurations as the nation moves toward aviation that’s more economically, societally, and environmentally sustainable. The project seeks to provide information to inform the next generation of single-aisle airliners, the most common aircraft in commercial aviation fleets around the world.  Boeing and NASA are partnering to develop the X-66 experimental demonstrator aircraft.

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Dede Dinius