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Curiosity Navigation Curiosity Home Mission Overview Where is Curiosity? Mission Updates Science Overview Instruments Highlights Exploration Goals News and Features Multimedia Curiosity Raw Images Images Videos Audio Mosaics More Resources Mars Missions Mars Sample Return Mars Perseverance Rover Mars Curiosity Rover MAVEN Mars Reconnaissance Orbiter Mars Odyssey More Mars Missions The Solar System The Sun Mercury Venus Earth The Moon Mars Jupiter Saturn Uranus Neptune Pluto & Dwarf Planets Asteroids, Comets & Meteors The Kuiper Belt The Oort Cloud 4 min read
Sols 4398-4401: Holidays Ahead, Rocks Under the Wheels
NASA’s Mars rover Curiosity acquired this image using its Left Navigation Camera on Dec. 17, 2024, at 23:24:13 UTC — Sol 4396, or Martian day 4,396, or the Mars Science Laboratory mission. NASA/JPL-Caltech Earth planning date: Wednesday, Dec. 18, 2024
It’s almost holiday time, and preparations are going ahead on Earth and Mars! For myself that means having a packed suitcase sitting behind me to go on my holiday travels tomorrow morning. For Curiosity that means looking forward to a long semi-rest, as we will not do our usual planning for the geology and mineralogy, but will still be monitoring the atmospheric conditions throughout. Today should have been a normal planning day with lots of contact and remote science. Well, Mars had other ideas.
The regular readers of this blog know that we are driving through quite difficult terrain. The image above gives a good impression on what the rover is dealing with: lots of rocks embedded in sand. I think even hiking would be quite difficult there, let alone driving autonomously. Curiosity, thanks to our excellent rover drivers, makes it successfully most of the time, but here and there Mars just doesn’t play nice. Thus, the rover stopped after 14 meters (about 46 feet) of a planned much longer drive. One of the wheels had caught a low spot between two rocks, and — safety first — the rover stopped and waited for our assessment. The rover drivers found no major problem, as it’s just the middle wheel that hit a bit of a rough patch, and driving can continue in this plan. But better safe than sorry, especially on another planet where there are no tow trucks to get us out of difficulty!
There was, however, quite a bit of discussion before we decided that course of action. Not because of the wheels themselves, but because the rover also stands in a position where it can only communicate directly with Earth in limited ways as the antenna is not facing the expected direction after the sudden stop. Of course, we still have the orbiters to talk to our rover, so we know it’s all fine. And — all things are three — this all happened on the penultimate plan of the year! Friday we’ll be planning a large set of sols that the rover will be executing on its own on Mars, monitoring the atmosphere and taking regular images of its surroundings, while the Earth-based team enjoys the well-deserved break. We really want to make sure to have everything going right on a day like today, so we all can enjoy the holidays without worrying about the rover!
With today being the last day of normal science planning, we had lots of ideas, but had to keep the arm stowed. The drive fault also meant that we had to forego arm movements, as the rover was sitting on a few rocks, and one of the wheels in that little depression that stopped us, all in ways that meant that a shift of rover weight (such as occurs when we move the arm) could make the rover move. Avoiding this situation, the team kept the arm stowed and focused on remote observations today. ChemCam observes a vein target called “Monrovia Peak” and takes remote images on the target “Jawbone Canyon” and up Mount Sharp toward the yardang unit. Mastcam looks at the target “Circle X Ranch” to investigate the material around the rocks embedded in the sand, looks at “Anacapa Island,” which is a vein target, “Channel Islands,” which is an aeolian ripple, and target “Gould Mesa,” which gets the team especially excited as this is the first glimpse of the so-called boxwork structures, which we saw from orbit even before Curiosity landed. Finally, we drive away from the spot that held us up today. Let’s hope Mars has read the script this time!
For the looooong break, we are planning autonomous and remote investigations only, and this starts before Friday’s planning, so that we know all is ok! Thus, the other three sols in today’s planning have Aegis, the automated ChemCam LIBS observation, a Mastcam 360° mosaic, and many, many atmospheric observations. It’s going to be a feast for DAN, REMS, and generally the atmospheric science on Mars, while here on Earth we enjoy the treats of the season. The Curiosity team hopes you do, too. See you in 2025!
Written by Susanne Schwenzer, Planetary Geologist at The Open University
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Last Updated Dec 20, 2024 Related Terms
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Mars: Perseverance (Mars 2020) Perseverance Home Mission Overview Rover Components Mars Rock Samples Where is Perseverance? Ingenuity Mars Helicopter Mission Updates Science Overview Objectives Instruments Highlights Exploration Goals News and Features Multimedia Perseverance Raw Images Images Videos Audio More Resources Mars Missions Mars Sample Return Mars Perseverance Rover Mars Curiosity Rover MAVEN Mars Reconnaissance Orbiter Mars Odyssey More Mars Missions The Solar System The Sun Mercury Venus Earth The Moon Mars Jupiter Saturn Uranus Neptune Pluto & Dwarf Planets Asteroids, Comets & Meteors The Kuiper Belt The Oort Cloud 2 min read
Red Rocks with Green Spots at ‘Serpentine Rapids’
NASA’s Mars Perseverance rover acquired this image, a nighttime mosaic of the Malgosa Crest abrasion patch at “Serpentine Rapids,” using its SHERLOC WATSON camera, located on the turret at the end of the rover’s robotic arm. The diameter of the abrasion patch is 5 centimeters (about 2 inches) and the large green spot in the upper center left of the image is approximately 2 millimeters (about 0.08 inch) in diameter. Mosaic source images have been debayered, flat-fielded, and linearly color stretched. This image was acquired on Aug. 19, 2024 (sol 1243, or Martian day 1,243 of the Mars 2020 mission) at the local mean solar time of 19:45:30. NASA/JPL-Caltech After discovering and sampling the “leopard spots” of “Bright Angel,” it became apparent that Perseverance’s journey of discovery in this region was not yet finished. Approximately 20 sols (Martian days) after driving south across Neretva Vallis from Bright Angel, the rover discovered the enigmatic and unique red rocks of “Serpentine Rapids.”
At Serpentine Rapids, Perseverance used its abrading bit to create an abrasion patch in a red rock outcrop named “Wallace Butte.” The 5-cm diameter abrasion patch revealed a striking array of white, black, and green colors within the rock. One of the biggest surprises for the rover team was the presence of the drab-green-colored spots within the abrasion patch, which are composed of dark-toned cores with fuzzy, light green rims.
On Earth, red rocks — sometimes called “red beds” — generally get their color from oxidized iron (Fe3+), which is the same form of iron that makes our blood red, or the rusty red color of metal left outside. Green spots like those observed in the Wallace Butte abrasion are common in ancient “red beds” on Earth and form when liquid water percolates through the sediment before it hardens to rock, kicking off a chemical reaction that transforms oxidized iron to its reduced (Fe2+) form, resulting in a greenish hue. On Earth, microbes are sometimes involved in this iron reduction reaction. However, green spots can also result from decaying organic matter that creates localized reducing conditions. Interactions between sulfur and iron can also create iron-reducing conditions without the involvement of microbial life.
Unfortunately, there was not enough room to safely place the rover arm containing the SHERLOC and PIXL instruments directly atop one of the green spots within the abrasion patch, so their composition remains a mystery. However, the team is always on the lookout for similar interesting and unexpected features in the rocks.
The science and engineering teams are now dealing with incredibly steep terrain as Perseverance ascends the Jezero Crater rim. In the meantime, the Science Team is hanging on to the edge of their seats with excitement and wonder as Perseverance makes the steep climb out of the crater it has called home for the past two years. There is no shortage of wonder and excitement across the team as we contemplate what secrets the ancient rocks of the Jezero Crater rim may hold.
Written by Adrian Broz, Postdoctoral Scientist, Purdue University/University of Oregon
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Last Updated Oct 25, 2024 Related Terms
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Curiosity Navigation Curiosity Home Mission Overview Where is Curiosity? Mission Updates Science Overview Instruments Highlights Exploration Goals News and Features Multimedia Curiosity Raw Images Images Videos Audio More Resources Mars Missions Mars Sample Return Mars Perseverance Rover Mars Curiosity Rover MAVEN Mars Reconnaissance Orbiter Mars Odyssey More Mars Missions The Solar System The Sun Mercury Venus Earth The Moon Mars Jupiter Saturn Uranus Neptune Pluto & Dwarf Planets Asteroids, Comets & Meteors The Kuiper Belt The Oort Cloud 2 min read
Sols 4307-4308: Bright Rocks Catch Our Eyes
NASA’s Mars rover Curiosity captured this image while exploring a rock-strewn channel of Gediz Vallis on the Red Planet. Mission scientists were particularly intrigued to investigate several bright-toned rocks (at the middle-right, bottom-right and bottom-center of the image), similar to rocks that Curiosity had encountered previously that were unexpectedly rich in sulfur. This image was taken by Left Navigation Camera aboard Curiosity on Sol 4306 — Martian day 4,306 of the Mars Science Laboratory Mission — on Sept. 16, 2024 at 12:47:18 UTC. NASA/JPL-Caltech Earth planning date: Monday, Sept. 16, 2024
We made good progress through Gediz Vallis in the weekend drive, landing in a segment of the channel containing a mix of loose rubble and other channel-filling debris. Amongst the jumbled scene, though, particular objects of interest caught our eye: bright rocks. In past workspaces in Gediz Vallis, similar bright rocks have been associated with very high to almost pure sulfur contents. As all good geologists know, however, color is not diagnostic, so we cannot assume these are the same as sulfur-rich rocks we have encountered previously. The only way to know is to collect data, and that was a significant focus of today’s plan.
We planned multiple mosaics across the examples of bright rocks visible in the image above. Mastcam and ChemCam RMI will cover “Bright Dot Lake” and “Sheep Creek” both in the right midfield of the image. Mastcam imaged the example in the bottom right corner of the image at “Marble Falls,” and ChemCam LIBS targeted one of the small bright fragments along the bottom of the image at “Blanc Lake.” There was also a small bit of bright material in the workspace, but unfortunately, it was not reachable by APXS. APXS analyzed a spot near the bright material, at target “Frog Lake,” and MAHLI was able to tack on a few extra images around that target that should capture the bright material. MAHLI also imaged a vuggy target in the workspace at “Grasshopper Flat.” The wider context of the channel was also of interest for imaging, so we captured the full expanse of the channel with one Mastcam mosaic, and focused another on mounds distributed through the channel at target “Copper Creek.”
Even with all this rock imaging, we did not miss a beat with our environmental monitoring. We planned regular RAD, REMS, and DAN measurements, mid and late day atmospheric dust observations, a cloud movie, and dust devil imaging.
Our drive is planned to take us up onto one of the ridges in the channel. Will we find more bright rocks there? Or something new and unexpected that was delivered down Gediz Vallis by some past Martian flood or debris flow? Only the channel knows!
Written by Michelle Minitti, Planetary Geologist at Framework
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Last Updated Sep 17, 2024 Related Terms
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Preparations for Next Moonwalk Simulations Underway (and Underwater)
A Terrier Improved Malemute sounding rocket carrying RockSat-X student developed experiments being raised on the launch rail on Wallops IslandNASA NASA’s Wallops Flight Facility in Virginia is scheduled to launch a sounding rocket carrying student-developed experiments for the RockSat-X mission on Tuesday, Aug. 13.
The Terrier-Improved Malemute rocket is expected to reach an altitude of about 100 miles (162 kilometers) before descending by parachute into the Atlantic Ocean to be recovered. The launch window for the mission is 6 a.m. to 9 a.m. EDT, Aug. 13, with backup days of Aug. 14, 15, and 16. The Wallops Visitor Center’s launch viewing area will open at 5 a.m. for launch viewing. A livestream of the mission will begin 15 minutes before launch on the Wallops YouTube channel. Launch updates are also available via the Wallops Facebook page. The launch may be visible in the Chesapeake Bay region.
The rocket will carry experiments developed by nine university and community college teams as part of NASA’s RockSat programs.
“The RockSat program provides unique hands-on experiences for students in the development of scientific experiments and working in teams, so these students are ready to enter STEM careers,” said Dr. Joyce Winterton, Wallops senior advisor for education and leadership development.
These circular areas show where and when people may see the rocket launch in the sky, depending on cloud cover. The different colored sections indicate the time (in seconds) after liftoff that the sounding rocket may be visible.NASA/Christian Billie RockSat-X 2024 Flight Projects
The University of Alabama Huntsville is flying two primary experiments: Joint Union of Payload Information and Technology between Experiments and Rockets (JUPITER), a custom spacecraft bus-like system that connects experiment hardware with existing launch vehicle electronics. SwingSat will increase the technology readiness level of momentum exchange tether technology in the context of satellite constellation deployments. The University of Alberta will demonstrate instruments for characterizing plasma wave activity and electron microburst precipitation, specifically by resolving precipitating relativistic and sub-relativistic electrons. The project will be capable of measuring magnetic plasma wave oscillations, including chorus waves and ground-based Very Low Frequency transmitters. The outcome of this mission will improve the Technology Readiness Level. Clemson University’s experiment will measure electron density and temperature of the E region ionosphere, between 56- 93 miles (90-150 kilometers). The College of the Canyons experiment will deploy three capsules to gather data on greenhouse gases in the upper atmosphere to aid in the fight against climate change. The Community Colleges of Colorado, a collaboration of Arapahoe and Red Rocks Community Colleges, aims to evaluate how microgravity affects the mechanical properties of lunar regolith simulants sintered during suborbital flight. The mission will also create a cost-efficient star tracker using off-the-shelf materials and open-source software. Northwest Nazarene University is testing a space-rated robotic arm capable of tracking and capturing objects. The arm will deploy and catch three balls, then stow itself for reentry, and will also capture video footage of all the catch attempts. The University of Puerto Rico will collect environmental data of the atmosphere using humidity, temperature, and pressure sensors. Using an Ultra High Frequency antenna, telecommunications will use open-source protocols to beam down data to ground stations at Wallops. Uninterrupted Virtual Reality footage of flight will be used for STEM engagement. Virginia Tech’s experiment tests a space tether that provides a small CubeSat with power and a mechanical connection. West Virginia Space Collaboration, a collaboration of five West Virginia universities, will conduct nine independent experiments flying on the 2024 RockSat-X mission. Included are: Lower Ionosphere Electric Field Double Probes (LIEF), which will study plasma and electric field densities throughout the flight. A mycelium properties experiment that will study the mechanical properties of mycelium under space flight conditions. A flight dynamics module that will record data on rocket and space flight conditions. A Geiger counter to detect radiation density during flight. A heat study that will analyze heat dissipation during space flight and reentry. A study on the effect of spaceflight on microbes in soil during flight and reentry. Power generation using type K thermocouples. Spectrometric and photographic data of the Sun. Creation of a 3D model of flight using LiDAR tracking and flight data. A student participant integrating a RockSat-X experimentNASA/Berit Bland NASA’s Sounding Rocket Program is conducted at the agency’s Wallops Flight Facility, which is managed by NASA’s Goddard Space Flight Center in Greenbelt, Maryland. NASA’s Heliophysics Division manages the sounding rocket program for the agency.
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Last Updated Aug 08, 2024 EditorAmy BarraContactAmy Barraamy.l.barra@nasa.govLocationWallops Flight Facility Related Terms
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Curiosity Navigation Curiosity Home Mission Overview Where is Curiosity? Mission Updates Science Overview Instruments Highlights Exploration Goals News and Features Multimedia Curiosity Raw Images Images Videos Audio More Resources Mars Missions Mars Sample Return Mars Perseverance Rover Mars Curiosity Rover MAVEN Mars Reconnaissance Orbiter Mars Odyssey More Mars Missions The Solar System The Sun Mercury Venus Earth The Moon Mars Jupiter Saturn Uranus Neptune Pluto & Dwarf Planets Asteroids, Comets & Meteors The Kuiper Belt The Oort Cloud 3 min read
Sols 4250-4252: So Many Rocks, So Little Time
This image was taken by Right Navigation Camera onboard NASA’s Mars rover Curiosity on Sol 4248 – Martian day 4,248 of the Mars Science Laboratory mission – on July 19, 2024, at 02:34:33 UTC. Earth planning date: Friday, July 19, 2024
As usual with our weekend plans, we are packing a lot of science into today’s three-sol plan. I had the fun of planning a complex and large set of arm activities as the Arm Rover Planner today. Since we did not drive in Wednesday’s plan, we still are looking at targets in the same workspace – shown in the image with the arm down on a contact science target. We are finishing up the observations at our current location on “Fairview Dome.”
In our first set of imaging, we begin with a Navcam dust devil movie. Then, ChemCam is taking a LIBS observation on “Koip Peak” (a nodular bedrock) and an RMI mosaic on Texoli butte. We also have Mastcam imaging on Koip Peak, “Amphitheater Dome” (Wednesday’s contact science target), the channel wall, and the AEGIS target from sol 4247. After a nap, we’re ready for the arm. The arm work was challenging today, as we had a lot to do. We start by taking MAHLI images of a target named “Saddlebag Lake,” a bumpy, rough part of the bedrock. We then brush and take MAHLI images of “Eagle Scout Peak,” which is a dusty portion of the same bedrock. We are also running an experiment today to see if we can run the DRT brush in parallel with using our UHF antenna, to downlink data without impacting the data. After integrating with APXS on Eagle Scout Peak, we take nighttime MALHI imaging (using the LEDs) of the CheMin inlet to look for any signs of stuck sample and stow the arm. We are also cleaning out the sample from the CheMin instrument, by “dumping” it out and then running an analysis on the empty cell.
The second sol begins with more atmospheric observations. We have another ChemCam LIBS observation of the “Smith Peak” target, which is a dark and dusty spot on the bedrock, and Mastcam mosaics of “Virginia Peak” (the gray edge of the rock), the summit of “Milestone Peak”, and “McDonald Pass” (a nearby piece of bedrock that looks similar to our recent drill target, “Whitebark Pass”). We’re then ready to drive. Today’s drive is taking us about 30 meters south (about 98 feet). We’re driving cross-slope, which is always a challenge because we have to account for sliding sideways, away from the planned path. Fortunately there are no major hazards in the area, so we can tolerate some deviation from our path. This drive should take us close to our next potential drill location! We’re also testing, for the first time on Mars, a new capability that helps the rover make more precise arc turns, which can reduce the amount of steering we need to do, and help preserve our wheels. After taking our normal post-drive imaging, our final activity on this sol is an APXS atmospheric observation.
On our third sol, around noon, we are taking a ChemCam AEGIS observation and a lot of atmospheric observations, including another dust devil survey and Mastcam solar tau. Finally, just before handing things over to Monday’s plan, we take additional atmospheric observations in the early morning.
Written by Ashley Stroupe, Mission Operations Engineer at NASA’s Jet Propulsion Laboratory
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Last Updated Jul 23, 2024 Related Terms
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