Articles tagged with Spacecraft
University of Arizona College of Engineering senior Christina Morrison develops antimicrobial socks using silver and hydrogen peroxide, achieving a nearly 5-log reduction in bacteria on treated material. The innovative design aims to reduce the need for water-based laundry in space, saving mass and allowing longer missions.
Researchers used simulations to show that plasma from hypervelocity impacts creates damaging electromagnetic radiation by separating ions and electrons at different speeds. The study aims to verify the theory of senior author Sigrid Close, who previously suggested that hypervelocity impact plasmas are responsible for satellite failures.
Cassini-Huygens mission has fostered dazzling discoveries, including in-depth studies of Saturn's rings, methane lakes on Titan, and hot water plumes from Enceladus. The spacecraft will enter Saturn's atmosphere and vaporize after final ring-dive on September 15.
A team of NASA scientists is using LISA Pathfinder's advanced technology to map the distribution of tiny dust particles in space. By analyzing the spacecraft's response to microscopic dust impacts, they aim to refine models used in various studies, including planet formation and impact risks for spacecraft.
NASA's MMS mission provides direct observation of kinetic Alfvén waves, revealing unexpected small-scale complexities and a higher rate of particle trapping than expected. The findings have implications for nuclear fusion technology and our understanding of the sun's solar wind.
The Van Allen Probes detected an increase in oxygen particles speeding around Earth's dayside after a geomagnetic storm, shedding light on particle origins. The unique double observations help untangle the complex workings of Earth's magnetic environment.
The OSIRIS-REx mission successfully tested its asteroid search instruments, detecting multiple Main Belt asteroids two magnitudes fainter than expected. The spacecraft's MapCam imager performed flawlessly, demonstrating improved imaging capabilities that will aid in avoiding natural satellites around target asteroid Bennu.
NASA's Laser Communications Relay Demonstration (LCRD) aims to establish a high-speed internet in space, enabling faster data rates and smaller communication systems. The technology has the potential to revolutionize space communications for missions to the moon, Mars, and beyond.
Raven's autonomous rendezvous capability relies on a hybrid computing system developed by NASA, which combines visible, infrared, and lidar sensors with machine-vision algorithms. The system uses SpaceCube processors to analyze data and make real-time decisions.
Changes on Comet 67P's surface were likely driven by seasonal events, according to a new study. The comet's surface has been shaped over time through cometary-specific weathering, erosion, and transient events.
New observations from NASA's Van Allen Probes mission show that relativistic electrons, the fastest and most energetic particles in the inner radiation belt, are not present as much of the time as previously assumed. This discovery has significant implications for spacecraft design and opens up new avenues for scientific study.
NASA's Modular Unified Space Technology Avionics for Next Generation missions (MUSTANG) is a smaller, more capable 'brain' for smaller spacecraft. The system controls various functions, including command and data handling, attitude control, power, and propulsion.
Scientists conclude that the organics are most likely native to Ceres, originating from its interior. The discovery has broad implications for astrobiology and suggests that Ceres contains key ingredients for life.
The OSIRIS-REx spacecraft captured a unique image of Jupiter and its three largest moons, Callisto, Io, and Ganymede. The image showcases the planet's distinct bands and was taken at 76 million miles from Earth.
Raven will test foundational technologies for autonomous rendezvous, enabling spacecraft to find and secure targets without human involvement. The system aims to mature for future NASA missions, including the Restore-L servicing mission and potential use on Journey to Mars.
The MMS spacecraft flies in a highly elliptical orbit around Earth, mapped in three dimensions using a tetrahedral formation. The mission uses GPS signals to calculate location and design maneuvers for precise control.
A NASA team has created a smart radiator that folds and unfolds like origami, allowing it to change its shape to shed or conserve heat. The radiator uses temperature-sensitive materials and a vanadium-oxide-based coating to achieve this effect.
A team of astronomers successfully observed the entire hydrogen coma of comet 67P/Churyumov-Gerasimenko using the LAICA telescope onboard the PROCYON spacecraft. The observations provide a unique opportunity to test coma models and estimate the total amount of water released by the comet per second.
Astronomers use Hubble observations to characterize the interstellar medium along Voyager 1 and 2's trajectories. The study reveals a rich, complex ecology with multiple clouds of hydrogen and other elements.
The Lucy spacecraft will launch in 2021 and fly by six Trojan asteroids between 2025 and 2033, studying their geology, surface composition, and bulk properties. The mission aims to decipher the history of the solar system and provide critical knowledge about planetary origins.
The Space Network will transmit double the data in a single second than it ever has before, supporting new instruments with greater data flow requirements. The upgrade enables an increase in scientific output from the International Space Station, allowing for more sophisticated experiments to be conducted.
Two studies based on GRAIL data provide clearer pictures of the Orientale impact basin, one of the largest and youngest craters on the Moon. The studies reveal that the transient crater has a smaller diameter than previously thought and estimate a minimum amount of material redistributed from the lunar crust during the impact.
The Evolutionary Mission Trajectory Generator (EMTG) has been upgraded to simulate the full problem of designing a spacecraft, considering multiple performance criteria. This enables mission planners to optimize both trajectory and spacecraft design, especially for electrically propelled low-thrust missions.
Scientists at EPFL have developed a method to position hundreds of thousands of nanoparticles with precision, orienting them within one degree and one nanometer apart. This technique sets the stage for the development of nanometric devices such as optical detection equipment and biological sensors.
A powerful materials discovery platform developed at Harvard University has been licensed to Kyulux, a developer of OLED display technologies. The platform enables the rapid identification of promising molecules for use in next-generation electronic displays.
Researchers at NPL and University of Leicester publish paper showing a new method to calculate spacecraft position using pulsars, increasing space mission capabilities and autonomy. The technique can achieve accuracy of 2km in one direction and 30km in 3D with minimal Earth contact.
The NASA Solar Probe Plus mission is progressing toward its anticipated summer 2018 launch after passing a critical design review. The spacecraft will collect data on the mechanisms that heat the corona and accelerate the solar wind, crucial for understanding our space weather and its impact on satellites.
The Dawn spacecraft's findings suggest that Ceres' large impact basins were erased due to its peculiar composition and internal evolution. The team proposes that a significant population of large craters was obliterated beyond recognition, likely resulting from the planet's icy crust and geological activity.
A new UK-RAS Network white paper led by Professor Yang Gao showcases the future of space robotics, predicting autonomous robots will replicate insects, birds, animals, and even humans on future missions. The report highlights technological advancements with applications in sectors like healthcare, mining, agriculture, and more.
Dr. John Spencer has received the AGU's Whipple Award for his outstanding contributions to planetary science, including deciphering Enceladus' internal ocean and discovering oxygen on Jupiter's moons.
The tiny radiation-resistant chips play a crucial role in the Jupiter Energetic Particle Detector Instrument (JEDI), measuring particle speed, energy, and position with time accuracy down to a fraction of a billionth of a second. Without these microchips, satellite electronics would be much heavier and require more shielding and power.
The OSIRIS-REx mission will generate detailed maps of asteroid Bennu using data from its five instruments, enabling the selection of a suitable sampling site. The team will also develop a new 3D shape model capturing the asteroid's irregular shape and create routine operation maps for navigation and sampling.
The LISA Pathfinder mission has passed a series of tests with flying colors, coming closer to experiencing true free fall than any other human-made object. The experiment successfully tested systems that will be incorporated in the Laser Interferometer Space Antenna (LISA) gravitational wave observatory scheduled for launch in 2034.
The LISA Pathfinder mission has achieved remarkable results in testing a crucial technology for detecting gravitational waves from space. By flying around identical test masses and isolating them from external forces, scientists have successfully demonstrated advanced technologies needed for a full-scale observatory.
Kamesh Subbarao, a UTA aerospace engineer, has received a $201,000 grant from the Air Force Research Laboratory to develop an algorithm for cooperative control of multiple spacecraft. The algorithm aims to address uncertainties and time delays in data transmission, enabling better analysis of collected data.
The OSIRIS-REx spacecraft will study asteroid Bennu in detail, collecting a sample to be analyzed on Earth. Four top-level maps will guide the sample collection process, assessing safety, navigation, surface material, and scientific value.
The US spacecraft OSIRIS-REx has arrived at Kennedy Space Center in Florida, where it is undergoing final testing and fueling before its September launch. The mission aims to retrieve at least 60 grams of pristine asteroid surface material for study on Earth.
Researchers analyze MMS data to understand magnetic reconnection, a process that produces powerful phenomena including solar flares and large releases of plasma from the sun's corona. The mission provides high-resolution measurements of particles and electric and magnetic fields at the electron scale.
High-resolution measurements from NASA's Magnetospheric Multiscale (MMS) mission have provided new insights into the reconnection process of Earth's magnetic field lines. The results suggest that this process is driven by electron-scale dynamics, shedding light on the complex interactions within magnetized plasmas.
The MMS mission has detected the source of magnetic reconnection, a process converting stored magnetic energy into kinetic energy and heat. The spacecraft measured plasmas and observed evidence of reconnection, including accelerated electrons and a strong electrical current.
Scientists capture direct measurements of electron movement in magnetic reconnection, shedding light on geomagnetic storms and auroras. The MMS Mission provides unprecedented insights into the explosive phenomenon, which plays a key role in disrupting communications systems and satellites.
NASA's Magnetospheric Multiscale mission has observed the first direct measurements of magnetic reconnection, a key driver of space radiation. The research reveals that electrons dominate this process, shedding light on its mysteries.
The TeSeR project aims to develop a cost-efficient and reliable removal module for satellites, reducing the risk of collision with space debris. Strathclyde is playing a significant role in this research, leveraging its expertise in satellite applications.
LAGEOS, launched in 1976, revolutionized the study of Earth's tectonic plates, rotation, and gravitational field. The satellite achieved accuracies of less than half an inch, enabling precise measurements of plate movement and subtle changes in Earth's center of mass.
NASA has successfully miniaturized passive thermal-control technology for CubeSats, overcoming challenges of regulating temperature in smaller satellites. The new device, tested through various cycles, will be flight-tested on the Dellingr spacecraft and enables longer-term space exploration missions.
The SwRI-led team found evidence of crystalline clathrate ices in comet 67P's atmosphere, suggesting the cometary nucleus formed closer to the Sun. This discovery could help refine solar system formation models and provide insights into the early history of our solar system.
New Horizons provided three years of measurements of the solar wind, filling a crucial gap between what other missions see closer to the sun and what Voyager spacecraft see further out. The data helps round out our picture of the sun's influence on space, including the origins of radiation hazards for astronauts.
The new gravity map provides a detailed view of Mars' interior, revealing a liquid outer core and massive seasonal precipitation. The improved resolution helps understand the formation of specific regions and confirms previous indications about Martian tides.
A CU-Boulder student-built instrument found only six dust particles per cubic mile near Pluto, revealing the vast emptiness of space. The discovery provides insights into the solar system's formation and evolution.
The OSIRIS-REx spacecraft is being tested in a thermal vacuum chamber to evaluate its performance under extreme conditions. The 22-day test will assess the spacecraft's instruments and systems, ensuring they can withstand the harsh environment of space.
Researchers at Brigham Young University have developed origami-inspired engineering techniques to create ultra-small surgical instruments, allowing for minimally invasive procedures. The technology aims to reduce the size of incisions necessary for surgery, potentially enabling self-healing wounds without sutures.
The James Webb Space Telescope is being assembled over the next two years, with recent installations of primary mirror segments and upcoming tests at NASA Goddard and Johnson Space Center. The telescope will undergo end-to-end optical testing in a simulated cryo-temperature environment before final assembly and launch preparation.
NASA is inviting the public to participate in the #WeTheExplorers campaign by submitting artworks that reflect their spirit of exploration. The artworks will be saved on a chip on the OSIRIS-REx spacecraft, which is scheduled to launch in September and travel to asteroid Bennu.
The CANYVAL-X mission demonstrates the technology for a virtual telescope by aligning two tiny satellites to create a single telescope. This feat is expected to benefit scientists studying the sun's corona and searching for planets beyond our solar system.
A NASA team has successfully demonstrated the handling and loading of a new Swedish-developed green propellant that is more powerful than traditional hydrazine. The demonstration marks an important step towards replacing hazardous materials with safer alternatives in space travel.
The NOAA GOES-S, T, and U satellites are nearing completion with six new instruments that will offer advanced imaging capabilities for more accurate weather forecasts. The instruments include the Advanced Baseline Imager (ABI), Extreme Ultraviolet and X-ray Irradiance Sensors (EXIS), Geostationary Lightning Mapper (GLM) and others.
A student-built experiment aboard NASA's OSIRIS-REx mission has been integrated to study asteroid Bennu's elemental abundances. The Regolith X-ray Imaging Spectrometer (REXIS) will observe solar X-rays and their interaction with the asteroid's surface material, providing maps of elements present on its surface.
The James Webb Space Telescope's Integrated Science Instrument Module passed a test for compatibility with the spacecraft's electromagnetic environment. The test, conducted in an anechoic chamber, aimed to assess the likelihood of interference and ensure the instrument's functionality in space.
A York University-led laser altimeter, OSIRIS-REx Laser Altimeter (OLA), will map the surface and create a 3D model of asteroid Bennu during a NASA mission. The instrument will help guide the spacecraft to a safe spot to grab a sample, providing Canadian scientists with their first direct access to a pristine asteroid sample.
The OSIRIS-REx Laser Altimeter (OLA), contributed by the Canadian Space Agency, will create 3-D maps of asteroid Bennu to select a sample collection site. The OLA is an advanced LIDAR system scanning the entire surface of the asteroid for fundamental data on its shape and topography.