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By USH
These images captured by the Curiosity rover in 2014 reveals yet another unexplained aerial phenomenon in the Martian atmosphere, a cigar-shaped object with a consistent width and rounded ends.
What makes this anomaly particularly compelling is the sharp clarity of the image. According to Jean Ward the stars in the background appear crisp and unblurred, indicating that the object is not the result of motion blur or a long exposure. Notably, the object appears in five separate frames over an 8-minute span, suggesting it is moving relatively slowly through space, uncharacteristic of a meteorite entering the atmosphere. It also lacks the fiery tail typically associated with atmospheric entry.
Rather than a meteor, the object more closely resembles a solid, elongated craft of unknown origin. When oriented horizontally, it even appears to feature a front-facing structure, possibly a porthole or raised dome, hinting at a cockpit or command module.
Whether this object is orbiting beyond the visible horizon or connected to the surface far in the distance, its sheer size is unmistakable. Its presence raises compelling questions, could this be further evidence of intelligently controlled craft, whether of extraterrestrial or covert human origin, navigating through Martian airspace?View the full article
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By NASA
NASA/JPL-Caltech/ASU Arsia Mons, one of the Red Planet’s largest volcanoes, peeks through a blanket of water ice clouds in this image captured by NASA’s 2001 Mars Odyssey orbiter on May 2, 2025. Odyssey used a camera called the Thermal Emission Imaging System (THEMIS) to capture this view while studying the Martian atmosphere, which appears here as a greenish haze above the scene. A large crater known as a caldera, produced by massive volcanic explosions and collapse, is located at the summit. At 72 miles (120 kilometers) wide, the Arsia Mons summit caldera is larger than many volcanoes on Earth.
Learn more about Arsia Mons and Mars Odyssey.
Image Credit: NASA/JPL-Caltech/ASU
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By NASA
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 Mars Home 2 min read
Sol 4546: Martian Jenga
NASA’s Mars rover Curiosity acquired this image using its Left Navigation Camera on May 19, 2025 — Sol 4544, or Martian day 4,544 of the Mars Science Laboratory mission — at 02:23:29 UTC. NASA/JPL-Caltech Written by Michelle Minitti, Planetary Geologist at Framework
Earth planning date: Monday, May 19, 2025
Have you ever played the game Jenga, where you remove one wooden block from a stack, gently place it on another part of the stack, then repeat over and over as you try to keep the stack from toppling over? There are strategies to the game such as what blocks you can afford to remove, and where you can manage to place them without throwing the structure out of balance. That is very much how planning felt today — but instead of wooden blocks, the objects the science team was moving around were science observations in the plan.
We had an unusual one-sol plan today so there were very restricted time windows in the plan in which to fit science observations and our next drive. We are driving through an area with criss-crossing fracture sets (which we call boxwork structures) large enough to be seen from orbit. Since they have only recently come within our view, there is no shortage of new observations to make of the fractures as we try to understand the processes that led to their formation. If the fractures were caused by extensive fluid flow through the Martian crust, understanding them would be an important contribution toward tracing the history of Martian water.
To fit in all the desired observations — including APXS and MAHLI on a DRT-brushed target, multiple ChemCam RMI and Mastcam mosaics, and a ChemCam LIBS analysis — in addition to environmental monitoring activities and a long drive, the team used every trick in its book to achieve a delicate balancing act of science, time, and power. Some activities were trimmed to fit in smaller time windows, others were moved to less-constrained parts of the plan, and other activities were placed in parallel with each other to take advantage of Curiosity’s ability to multitask.
Once our planning Jenga game was over, the team had won — we had a complete and perfectly balanced plan! Who says you cannot teach an old dog (4,546-sols-old) new tricks?
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Last Updated May 22, 2025 Related Terms
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By European Space Agency
To create a crumbly crater rich in ice and chunky blocks soaked in layers of martian history – like this one recently observed by the European Space Agency’s Mars Express – follow this recipe:
Toss a space rock into Mars to form a classic circular base Layer with molten lava Carve channels with liquid water Chill to create ice, and freeze-thaw multiple times to slowly expand crater edges Sprinkle generously with volcanic dust, and leave to set Serve to hungry Mars fans! View the full article
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By NASA
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 Mars Home 2 min read
Sols 4536-4538: Dusty Martian Magnets
NASA’s Mars rover Curiosity acquired this image, used to inspect the magnet on its MAHLI (Mars Hand Lens Imager), a camera on the turret of tools at the end of the rover’s robotic arm. The main purpose of Curiosity’s MAHLI camera is to acquire close-up, high-resolution views of rocks and regolith in the field; it can focus on any target from about 0.8 inches (2.1 centimeters) to infinity. Curiosity used its Mast Camera (Mastcam) on Sept. 1, 2024 — Sol 4291, or Martian day 4,291 of the Mars Science Laboratory mission — at 05:48:14 UTC. NASA/JPL-Caltech/MSSS Written by Remington Free, Operations Systems Engineer at NASA’s Jet Propulsion Laboratory
Earth planning date: Friday, May 9, 2025
I was on downlink today for SA-SPaH, our robotic arm team. We successfully completed a number of fun arm activities, including a DRT brushing and APXS observations of a bedrock target, and also completed a traverse of about 25 meters (about 82 feet). Exciting!
Today, our uplink team planned three sols of activities. On Sol 4536, we are using the arm to do some inspection imaging of the MAHLI magnet using Mastcam. This magnet allows us to determine whether or not the MAHLI cover has successfully opened or closed. These magnets accumulate a lot of Martian dust particles, so we periodically take imaging to inspect the quantity of dust and get a better understanding of the state of the hardware. I’ve included above an image of the MAHLI instrument, from our last inspection on Sol 4291. After the magnet inspection, we’ll do some more typical arm activities, which include some APXS placements, DRT brushing, and MAHLI imaging on targets of interest.
In this workspace, we are interested in targets characterizing the pale layered sulfate unit we’ve been driving on, as well as a target in the new ridge-forming unit. Beyond our arm activities, we’ll do additional science observations of the surface using Mastcam and ChemCam.
On Sol 4537, we’ll focus on driving! Prior to our drive, we’ll take some more scientific observations, including a Navcam cloud movie, Mastcam documentation of some geological units, and ChemCam LIBS on a ridge-forming unit. We have then planned a 21-meter drive (about 69 feet) to take us to a bedrock area of scientific interest. We’re excited because the terrain looks pretty benign, so we’re hoping it all goes smoothly!
Post-drive, we’ll take some Mastcam survey imaging of clasts and soils along the traverse. Finally on Sol 4538, we’ll aim our focus upwards and take a number of observations of the sky. We’ll start with a Navcam large dust-devil survey, a Mastcam tau measurement of the atmospheric optical depth, and a ChemCam passive sky observation to study atmospheric composition. Early the following morning, we’ll take some additional Navcam observations of clouds, and complete another Mastcam tau measurement of optical depth.
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Last Updated May 13, 2025 Related Terms
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