Articles tagged with Space Technology
Researchers develop a method for high-precision open-loop velocity measurement of the Tianwen-1 probe, achieving an accuracy 2 times higher than traditional baseband velocity measurement. This technology enables precise orbit determination and is applied to planetary atmosphere detection.
A team of international scientists has demonstrated the existence of a lunar lava tube cave, with radar reflections indicating an underground conduit in Mare Tranquillitatis. This discovery provides crucial evidence for safe site selection on the Moon and supports future exploration missions.
The article presents a stochastic modeling approach for interplanetary supply chain planning, considering demands at a Martian base as a source of uncertainty. The model minimizes total launch mass through multi-stage stochastic MILP modeling, resulting in reduced infrastructure costs and propellant requirements.
For the first time, a team of French scientists has observed brown dwarfs orbiting very close to bright stars using precise astronomical imaging. The findings provide new insights into the formation of these unusual celestial objects and massive exoplanets.
The University of Leicester is collaborating with ispace to explore lunar night survivability using Radioisotope Heater Units on the Series 3 lunar lander and rovers. The team aims to develop new technology to survive the cryogenic environment of lunar nights, which can drop temperatures to -170 degrees Celsius.
The University of Washington's STRIVE project aims to understand the troposphere and stratosphere, where the ozone layer resides, and their interface. This will help monitor changes in the ozone layer, air quality, and climate processes.
The Lunar Environment Monitoring System, developed by UMD researchers, will track seismic activity on the moon's surface during the upcoming Artemis III mission. The system's data will help prepare NASA for a long-term presence on other planetary bodies.
Researchers develop AI-based system to track small metallic objects in Low Earth Orbit, outperforming classical detection methods. The system's high detection rate and low false alarm rates make it suitable for proactive decision-making and intervention strategies.
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.
Researchers used a Compton camera, originally designed for astronomy, to capture the polarization of gamma rays emitted from atomic nuclei. This revealed the internal structure of the atomic nuclei and significantly reduced uncertainties in determining spin and parity.
Drexel University researchers develop a lightweight alternative to metal components in satellites by coating 3D-printed polymers with MXene, a conductive nanomaterial. The MXene-coated waveguides weigh up to eight times less than traditional aluminum ones and maintain nearly 95% transmission efficiency.
Researchers at UTSA's Department of Physics and Astronomy have used deconvolution algorithms to enhance images of galaxy NGC 5728 obtained by the James Webb Space Telescope. The study reveals a faint extended feature that could be part of an outflow from a supermassive black hole interacting with the host galaxy.
A team of scientists found evidence that the moon's shrinkage led to surface warping in its south polar region, including areas proposed for crewed Artemis III landings. Shallow moonquakes can devastate hypothetical human settlements on the moon due to loose sediments and unstable surface slopes.
The researchers designed a means to engineer single-nanometer magnetic tunnel junctions with a CoFeB/MgO stack structure, allowing them to control the shape and interfacial anisotropies independently. This enables the MTJ performance to be tailored for applications ranging from retention-critical to speed-critical.
Researchers at Harvard John A. Paulson School of Engineering and Applied Sciences developed a 10-centimeter-diameter glass metalens that can image the sun, moon, and distant nebulae with high resolution.
Researchers propose a new method to track small pieces of space debris by detecting electric signals emitted when they collide. This approach could help protect satellites and spacecraft from damage, as tiny pieces of debris can cause significant harm at high orbital speeds.
The University of Texas at El Paso is leading a research effort to detect and study Unresolved Resident Space Objects (URSOs) using spectroscopy. The team aims to extract properties such as material composition and structural health to monitor the health of government-owned and commercial space assets.
The new centre, NESST, will support the creation of over 350 jobs and inject £260m into the North East economy. It will be a hub for collaborative research, technology development, and STEM engagement activities.
Researchers developed a new method that accumulates drugs in cancer lesions while rapidly clearing them from healthy tissues. The method uses radiopharmaceuticals with a new ligand that promotes rapid excretion, reducing toxicity and improving treatment outcomes.
Researchers on the International Space Station produced a quantum gas containing two types of atoms for the first time in space. This achievement enables studying quantum chemistry, which focuses on how different atoms interact and combine with each other.
A Lancaster University PhD student used a new method to calculate the optical depth of Saturn's rings, revealing their transparency. By analyzing changes in Cassini's Langmuir Probe data during solar eclipses, the researcher determined how much sunlight passed through each ring.
Researchers create a legged small celestial body landing mechanism that can land stably in different conditions, including varying gravity and slopes. The study found that key factors such as cardan element damping, foot anchors, retro-rocket thrust, and landing slope affect the landing performance.
Researchers used seismic data to locate and identify a thin layer of molten silicates overlying Mars' metallic core. The discovery reveals a denser and smaller Martian core, aligning with other geophysical data and analysis of Martian meteorites. This finding provides new insights into how Mars formed, evolved, and became a barren planet.
Texas A&M University is collaborating on a research project to track objects in high Earth orbits, expanding space domain awareness capabilities. The Space University Research Initiative aims to develop new technology and systems to monitor objects influenced by the moon's gravity.
A team of researchers has successfully tested a new asteroid detection algorithm, HelioLinc3D, which identified its first 'potentially hazardous' asteroid, 2022 SF289. The discovery confirms the algorithm's effectiveness in finding near-Earth asteroids with fewer and more dispersed observations than traditional methods.
A Purdue University experiment is investigating how reduced gravity affects boiling and condensation, crucial for long-term space habitats. The research aims to provide data needed to answer decades-old questions about these phenomena in weightlessness.
Researchers demonstrate that perovskite solar cells damaged by proton radiation in low-earth orbit can recover up to 100% of their original efficiency via thermal vacuum annealing. The study used ultrathin sapphire substrates and found that fluorine diffusion from the dopant causes defects, which can be reversed by heat treatment.
Scientists have developed a new radar technique that can image hidden features within the upper few feet of ice sheets, including melting glaciers on Earth and potentially habitable environments on Jupiter's moon Europa. The technique boosts resolution by combining two different radar bandwidths and looking for discrepancies.
The InVADER Mission successfully deployed a high-tech laser laboratory on the ocean floor, marking a paradigm shift in ocean research and exploration. The Laser Divebot collects compositional data without disturbing the environment, removing the need for physical samples.
Researchers discovered a gravitationally lensed supernova named SN Zwicky, which was magnified nearly 25 times by a foreground galaxy. This discovery presents an opportunity to study the inner cores of galaxies, dark matter, and the mechanics behind universe expansion.
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.
Researchers at the University of Georgia have confirmed evidence of a previously unknown planet outside our solar system using machine learning tools. The discovery highlights the potential for artificial intelligence to enhance scientists' work and speed up analysis, with the potential to dramatically expand exoplanet discoveries.
The SuperBIT telescope has begun capturing high-resolution images of the Universe on its first research flight. It is investigating the mystery of dark matter, which is thought to be made up of particles that can bounce off each other during galaxy collisions.
The University of Texas at El Paso has joined a $2.5 million NASA-led project to develop 3D-printed rechargeable batteries using lunar and Martian regolith. Researchers will utilize additive manufacturing processes, such as material extrusion and vat photopolymerization, to produce shape-conformable batteries for space applications.
A new nano-barrier coating has been developed to protect ultra-lightweight carbon composite materials from radiation damage and electrostatic resistance. The innovative coating adds a layer of protection, reducing the need for heavy shielding materials and maintaining stability in space.
The institute aims to shorten the cycle required to design, manufacture, and test parts that can withstand space travel conditions. It will develop detailed computer models of additively manufactured parts using digital twins.
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.
University of Arizona engineers create autonomous vehicle system that allows robots to scout out underground habitats on other planets. The 'Breadcrumb-Style Dynamically Deployed Communication Network' paradigm enables robots to work together without human input, addressing NASA's space technology grand challenges.
Researchers from the University of Copenhagen and NASA have developed a method to map several billion trees and their carbon uptake in Africa's Sahel region. The method can help monitor whether climate credit purchases have a positive effect on tree numbers and nature restoration.
Researchers at Northumbria University are developing artificial intelligence to forecast space weather and predict serious space storms. The technology aims to protect the Earth's power grid and communication systems from disruptions caused by solar eruptions.
Researchers have developed a new detector that can precisely measure single photons at very high rates, enabling practical high-speed quantum communication. The PEACOQ detector is made of superconducting nanowires and operates at extremely cold temperatures, allowing for precise measurement of photon arrival times.
Researchers at the University of Michigan have discovered that smaller Hall thrusters can produce significantly more thrust than previously thought, making them a viable option for interplanetary travel. The study showed that by increasing the propellant flow rate, the thruster's efficiency was maintained, and in some cases, improved.
University of Illinois scientists developed a way to accurately map tilled land in real-time using ground, airborne, and satellite imagery. The method increased mapping accuracy by 67% compared to upscaling directly from the ground to the satellite.
A team of astronomers discovered 87 galaxies that could be the earliest known galaxies in the universe using data from NASA's James Webb Space Telescope. This finding suggests a revision to our understanding of galaxy formation, indicating that more galaxies may have formed earlier than previously thought.
Researchers tracked elephant footprints with handheld GPS and overlaid it with satellite imagery to understand how plant diversity affects movement. The study found that bull elephants prefer paths with certain plants, while family groups prefer others, leading to a compromise in areas where both are available.
Astronauts in space can lose up to 20% of muscle mass after two weeks due to microgravity. Researchers are exploring the use of extracellular vesicles, which contain restorative chemicals, to trigger post-exercise recovery without traditional exercise.
Researchers discovered that spontaneous plasma waves help neutralize ions detaching from magnetic nozzles, reducing divergence of expanding plasma beams. This breakthrough opens a new perspective on instabilities in plasmas, potentially advancing magnetic nozzle radio frequency plasma thrusters.
Researchers at the International Centre for Radio Astronomy Research in Western Australia have made a breakthrough in hi-tech communications by developing a technology that can correct for atmospheric turbulence. This allows for superior optical wireless transmission, reducing reliance on slower radio transmission.
Radiation-tolerant photovoltaic cell designs could improve satellite performance by reducing radiation damage and increasing device longevity. The new ultra-thin solar cells outperform thicker devices in proton radiation tests, with nearly 3.5 times less cover glass needed for the same amount of power after 20 years.
The Europlanet Science Congress 2022 will feature press briefings on the ESA Hera Mission, which investigates Binary Asteroid (65803) Didymos and the DART Crater. The event will also cover solar system observations with the Webb space telescope.
A University of Houston engineer has developed a sprayable ice-shedding material that is 100 times stronger than any others. The new durable coating material controls interfacial fractures and can accelerate crack formation and growth.
Researchers from the University of Montreal have discovered an exoplanet that could be an 'ocean planet,' completely covered by a thick layer of water. The exoplanet, TOI-1452 b, has a radius and mass similar to Earth but is believed to be rocky with a possible abundance of water.
Researchers have enhanced technology to lift small particles using sound waves, achieving stable lifting of particles from surfaces. By fine-tuning control using an adaptive algorithm, they have improved the stability of their 'acoustic tweezers' technology, which could be deployed in space and other environments with minimal contact.
Researchers demonstrate a compact QKD system that paves the way for cost-effective satellite-based quantum networks. The system successfully distributes secure keys between a space lab and four ground stations, representing an important step toward practical QKD networks.
Researchers propose a surrogate-assisted evolutionary algorithm with restart strategy to optimize electronic component layout in space engineering. The algorithm reduces the cost of thermodynamic simulations, improving convergence speed and solution quality.
A new study creates a photochromic nylon webbing that changes color in response to UV exposure, allowing for long-term UV sensing. The webbings' color decay rate depends on the initial dye concentration, with customized dye levels enabling varying lifetimes.
The Madrid Flight On Chip (MFOC) project has successfully implemented advanced technological products and introduced disruptive changes in the design and verification of complex space systems. The project, which ran for over three years, focused on Multi-Processor System on Chip (MPSoC) components and aimed to reduce testing costs.
A CSU researcher has obtained photographic evidence of milky seas observed from both the Earth's surface and space at the same time. The observations were made possible by a private yacht's encounter with the rare phenomenon off the coast of Java, providing new insights into its formation.
Researchers used logistic regression and a recommendation algorithm to predict CME arrival times, achieving better results than using either method alone. The hybrid model improved forecast accuracy by providing a reference for similar historical events.
The university's latest satellite, SCOOB-I, orbits the Earth with advanced payloads, including a small Earth imaging camera and a solar spectrum sensor. The mission provides valuable insights into the Sun-Earth connection and its impact on climate, marking NTU Singapore's leadership in the growing space industry.