Articles tagged with Mars Rovers
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Researchers used NASA's measurements to simulate sound propagation on Mars, providing insight into weather and terrain effects on acoustic propagation. The study focused on the Jezero crater, where it simulated how sound moves through complex terrains, helping scientists understand how other atmospheres compare to Earth's.
A study of 744 bridges worldwide reveals that North American and African bridges are most at risk, with spaceborne monitoring able to detect problems before they become disasters. The proposed solution integrates satellite data into risk frameworks to significantly lower the number of high-risk bridges.
The infrared spectrometer Enfys, a key instrument for the European Space Agency's ExoMars Rosalind Franklin Rover, is shipped from Aberystwyth University to Italy for testing. The rover will drill up to two meters beneath the Martian surface to search for signs of past or present life.
Scientists have tracked 1039 dust devils to reveal how they lift dust into the air and sweep around Mars' surface. The study found wind speeds of up to 44 m/s, faster than previously measured with rovers on the ground, and improved our understanding of Martian weather patterns.
Recent experiments and field tests in a wind tunnel and quarry show that spherical rovers, known as Tumbleweed rovers, can harness the power of Martian winds to navigate over various terrains. The results validate simulations and demonstrate the potential for large-scale and low-cost exploration of the Martian surface.
Scientists have identified two dozen types of minerals that reveal a dynamic history of volcanic rocks altered by liquid water on Mars. The findings support multiple episodes of habitability, with three distinct categories of minerals indicating different conditions favorable or unfavorable for life.
Two studies reveal that natural processes can bring organic-rich materials to the Mars rover, increasing its diversity of samples. Rockfalls in Oxia Planum may have originated from elsewhere on Mars and were deposited through a series of floods over 3.5 billion years ago.
A new study suggests that ancient Martian rocks contain minerals and organic matter indicative of a habitable environment and potential biological processes. The discovery was made in the Jezero Crater's Bright Angel formation, which is considered a prime target in the search for signs of past life.
A new study has revealed chemical signatures of ancient Martian microbial life in the Bright Angel formation, a region of Jezero Crater known for its fine-grained mudstones rich in oxidized iron and organic carbon. The findings suggest that early microorganisms may have played a role in shaping these rocks through redox reactions.
A recent study suggests that Mars' surface features were shaped by short periods of liquid water, followed by 100-million-year-long periods of desert. The research, led by University of Chicago scientist Edwin Kite, proposes a new explanation for why Mars became a barren desert planet.
The project aims to improve propellant and life-support compound production in lunar and Martian environments. The researchers will evaluate the performance of a patent-pending electrolyzer developed with NASA support, testing its ability to produce fuel and oxygen.
Researchers have detected unprecedentedly large organic molecules on Mars, containing up to 12 consecutive carbon atoms. These findings provide valuable insights into the planet's potential for life and pave the way for future interplanetary science missions.
Scientists have retrieved handpicked samples from Mars, including rock cores and fragmented rocks, for the first time in history. The samples will help learn more about Mars' past life, climate, and geology, as well as provide insights into Earth's surface.
The In-Space Physical AI Workshop, held at Rice University's Ion District, brought together top scientists and experts to explore AI applications in space. Key findings included the potential of AI to streamline spacecraft navigation and crew health management.
The 2024 Europlanet Science Congress (EPSC2024) will be held in Berlin from September 8-13, covering a wide range of planetary research topics. Over 1,200 scientists from Europe and worldwide are expected to attend the fully hybrid meeting.
The commercial space sector has seen significant growth, with over 2,660 satellites launched into orbit in recent years. International collaborations are also expanding, enabling diverse perspectives and new ideas to emerge in science and space exploration.
Scientists have discovered a simple test for signs of past or present life on other planets, using artificial intelligence to distinguish between biological and abiotic samples with high accuracy. The method has the potential to revolutionize the search for extraterrestrial life and deepen our understanding of Earth's earliest life.
Researchers suggest using geoarchaeological tools to study human migration in space, with a focus on preserving material records on the moon and Mars. The study aims to address concerns about accidental crashes and limited protections for space heritage.
Researchers used NASA InSight data to directly measure Mars' core properties, finding a completely liquid iron-alloy core with high percentages of sulfur and oxygen. This discovery provides new insights into Martian formation and geological differences between Earth and Mars, potentially impacting planetary habitability.
University of Arizona engineers create a communication network allowing robots to explore subsurface environments independently, deploying miniaturized sensors as they traverse caves. The 'breadcrumb-style' system enables swarms of individual robots to navigate convoluted environments without losing contact.
Scientists at Washington University in St. Louis found that manganese oxides can be formed without atmospheric oxygen under Mars-like conditions. The study, published in Nature Geoscience, used kinetic modeling to show that halogens like chlorate and bromate can convert manganese into minerals thousands of times faster than by oxygen.
The Perseverance rover's microphone recorded a Martian dust devil, providing insight into the planet's atmosphere and weather. The discovery helps scientists understand the effects of wind on solar panels, potentially extending the lifespan of future Mars missions.
Researchers at Carnegie Mellon University have developed a new approach for conducting automated science in space by balancing risk and scientific value. The approach uses a model that estimates science value and risk, allowing rovers to chart their own course while protecting against high-risk missions.
A new virtual hiking map for Jezero crater has been created using orbital imagery, terrain data, and real-time 3D panoramic views. The map allows users to explore the Martian surface in detail, including steep slopes and immersive environments.
The Perseverance rover has discovered rocks on Mars that are composed of large grains of olivine, a muddier version of peridot that tints many beaches dark green. These findings suggest that the planet had liquid water, air, and a magnetic field in the past, conditions similar to those when life first arose on Earth.
Researchers at Rice University propose a new scenario explaining the 2016 discovery of tridymite by NASA's Curiosity rover. They suggest that magma cooled slowly in a chamber below a volcano, producing concentrated silicon-rich ash that was later weathered and sorted by water.
The Biofinder instrument has successfully detected bio-residue in ancient fish fossils from the Green River formation, confirming that biological residues can survive millions of years. The device's capabilities make it an ideal tool for future NASA missions to detect signs of past life on other planetary bodies.
Researchers propose a modular Mars exploration rover system consisting of four two-wheeled robots that can operate independently or combine in various constellations. The approach enables longer missions and gathers more information about the planet's history and potential habitability.
Researchers analyzed the effects of environmental pressure setting, time step, and mesh density on the pressure differential calculation results. The study used numerical simulation to improve the accuracy of calculations, with results showing that changes in ambient pressure are the primary factor affecting the pressure differential.
The Mars rover's images show a complex watery cycle for the lake at Jezero Crater, with steady water flow and dramatic deposits from high-energy floods. The findings help guide the rover's sampling strategy, focusing on rocks that could contain signs of past life.
Researchers found that buttes on Mars can block about 20% of radiation from the sky, reducing the dose by a significant amount. However, this effect is limited by albedo radiation, which increases when the terrain reflects and emits radiation backwards.
The NASA JPL team is using deep learning to develop software for future Mars rovers, which will enable them to travel farther and explore more of the planet. The team has been training machine learning models on the Maverick2 supercomputer and developing novel capabilities such as Drive-By Science and Energy-Optimal Autonomous Navigation.
Researchers at the University of Warwick have devised an energy harvesting mechanism inspired by trembling aspen leaves that could power weather sensors in hostile environments. The technology has potential to extend the life of future Mars rovers by providing a backup energy supply.
A team of MIT and Washington University researchers developed a terramechanics model called Artemis, simulating rover mobility over various soil types and terrain. The model predicts safest paths for rovers and can help mission planners avoid sand traps like the Spirit rover.
Researchers at North Carolina State University have developed a computer model to determine how a wind-driven 'tumbleweed' Mars rover would perform on rocky Martian terrain. The study found that larger diameter and lower weight rovers achieve better performance, with a minimum diameter of six meters needed for acceptable movement.
The UH Mars Rover Model Celebration and Exhibition will receive a $414,000 grant from NASA to develop a stronger event, expand beyond Texas, and provide hands-on science projects for elementary and middle school students. The program aims to inspire the next generation of scientists and engineers.
Researchers at Rutgers University duplicated Martian razorback shapes using statically charged sand grains on acrylic. Meanwhile, DNA molecules and carbon nanotubes can convert rotational motion to linear translation, potentially solving a crucial problem in micromachine parts.
NASA's Spirit and Opportunity rovers are uncovering evidence of wet, possibly habitable conditions on Mars in areas they're exploring. They've found variations of bedrock, including platform-like structures, that suggest a hot, violent past with volcanic explosions and impacts.
NASA's Mars Exploration Rovers Opportunity and Spirit have been studying geology on opposite sides of Mars for over a year. The rovers have found extensive layered bedrock, including rocks containing the mineral Ilmenite, which suggests a shared origin and diversity in volcanic rocks in the Gusev region.
The Mars rover mission has discovered evidence of prolonged presence of salty, acidic water on Mars' surface, making it a potential habitable place. The findings suggest that conditions were suitable for life to exist in the past.
Indiana University geologists David Bish and Juergen Schieber will join NASA's Mars Science Laboratory, a rover mission set to launch in 2009. The rover will explore a local region as a potential habitat for past or present life, shedding light on the Martian surface's composition.
Researchers found a large body of water, comparable to the Baltic Sea or all Great Lakes combined, near the NASA Opportunity rover's landing site on Mars. The study suggests that the ancient sea was present for an extended period and must have been deep enough to build up sediments roughly one-third of a mile deep.