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By NASA
The New York Stock Exchange welcomed team members from NASA’s SPHEREx (Spectro-Photometer for the History of the Universe, Epoch of Reionization and Ices Explorer) mission to celebrate the launch of the agency’s newest astrophysics observatory to understand the origins and structure of the universe. Image courtesy of NYSE Group Members of NASA’s recently launched SPHEREx (Spectro-Photometer for the History of the Universe, Epoch of Reionization and Ices Explorer) mission team participated in the New York Stock Exchange’s closing bell ceremony in New York City on April 22.
Michael Thelen, SPHEREx flight system manager at NASA’s Jet Propulsion Laboratory in Southern California, is seen here ringing the closing bell. Additional SPHEREx team members from NASA JPL, which manages the mission, and BAE Systems Inc., Space & Mission Systems, which built the telescope and spacecraft bus for NASA, participated.
The SPHEREx observatory, which launched March 11 from Vandenberg Space Force Base in California on a SpaceX Falcon 9 rocket, will soon begin mapping the universe like none before it. Using 102 color filters to scan the entire sky quickly, SPHEREx will gather data on hundreds of millions of galaxies that will complement the work of more targeted telescopes, like NASA’s Hubble and James Webb space telescopes. Its surveys will help answer some of the biggest questions in astrophysics: what happened in the first second after the big bang, how galaxies form and evolve, and the origins and abundance of water and other key ingredients for life in our galaxy.
Michael P. Thelen, SPHEREx Observatory Flight System Manager, rings the bell alongside NASA SPHEREx team members at the New York Stock Exchange Tuesday, April 25, 2025. Image courtesy of NYSE Group More About SPHEREx
SPHEREx is managed by JPL for NASA’s Astrophysics Division within the Science Mission Directorate in Washington. BAE Systems (formerly Ball Aerospace) built the telescope and the spacecraft bus. The science analysis of the SPHEREx data will be conducted by a team of scientists located at 10 institutions across the U.S. and in South Korea. Data will be processed and archived at IPAC at Caltech, which manages JPL for NASA. The mission principal investigator is based at Caltech with a joint JPL appointment. The SPHEREx dataset will be publicly available.
For more information on SPHEREx, visit:
https://www.nasa.gov/spherex
News Media Contacts
Alise Fisher
NASA Headquarters, Washington
202-358-2546
alise.m.fisher@nasa.gov
Calla Cofield
Jet Propulsion Laboratory, Pasadena, Calif.
626-808-2469
calla.e.cofield@jpl.nasa.gov
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By NASA
2 min read
Preparations for Next Moonwalk Simulations Underway (and Underwater)
A Boeing-built X-66 full-span model underwent testing in the 11-Foot Transonic Unitary Plan Facility at NASA’s Ames Research Center in California’s Silicon Valley between January and March 2025.NASA / Brandon Torres NASA and Boeing are currently evaluating an updated approach to the agency’s Sustainable Flight Demonstrator project that would focus on demonstrating thin-wing technology with broad applications for multiple aircraft configurations.
Boeing’s proposed focus centers on a ground-based testbed to demonstrate the potential for long, thin-wing technology. Work on the X-66 flight demonstrator – which currently incorporates a more complex transonic truss braced wing concept that uses the same thin wing technology as well as aerodynamic, structural braces — would pause for later consideration based on the thin-wing testbed results and further truss-braced configuration studies.
Under this proposal, all aspects of the X-66 flight demonstrator’s design, as well as hardware acquired or modified for it, would be retained while the long, thin-wing technology is being investigated with more focus. NASA and Boeing would also continue to collaborate on research into the transonic truss-braced wing concept.
The proposal is based on knowledge gained through research conducted under the Sustainable Flight Demonstrator project so far.
Since NASA issued the Sustainable Flight Demonstrator award in 2023, the project has made significant progress toward its goal of informing future generations of more sustainable commercial airliners. Boeing and NASA have collaborated on wind tunnel tests, computational fluid dynamics modeling, and structural design and analysis aimed at exploring how best to approach fuel-efficient, sustainable designs.
This research has built confidence in the substantial potential energy-savings benefits that technologies investigated through the Sustainable Flight Demonstrator project and other NASA research can make possible. The Boeing proposal identifies the thin-wing concept as having broad applications for potential incorporation into aircraft with and without truss braces.
NASA and Boeing are discussing potential options for advancing these sustainable flight technologies. NASA’s ultimate goal for this sustainable aircraft research is to achieve substantial improvements for next-generation airliner efficiency, lower costs for travelers, reduced fuel costs and consumption, and increase U.S. aviation’s technological leadership.
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Last Updated Apr 24, 2025 EditorLillian GipsonContactRobert Margettarobert.j.margetta@nasa.gov Related Terms
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By NASA
2 min read
Preparations for Next Moonwalk Simulations Underway (and Underwater)
EnerVenue’s batteries don’t require energy-consuming temperature control or maintenance and can be stored anywhere, including in the company’s “EnerStation” battery station, pictured here.Credit: EnerVenue, Inc. Battery technology that has powered the International Space Station, the Hubble Space Telescope, and numerous satellites is now storing energy on Earth, enabling intermittent renewable energy sources to provide steady power.
These extremely durable batteries were made more affordable for the average consumer by California-based EnerVenue Inc., which was able to bring down the cost of the technology by removing the need for expensive platinum, making terrestrial applications more feasible. With the cost-saving innovations, the batteries could be used for power plants, businesses, and homes.
NASA first used nickel-hydrogen batteries in 1990 for the Hubble Space Telescope — the technology’s debut in low-Earth orbit on a major project. It was the primary power system for the International Space Station for more than 18 years before eventually being replaced by lithium-ion batteries.
Each nickel-hydrogen cell consists of a nickel cathode — the positive electrode — and a hydrogen-catalyzed anode, which typically uses expensive platinum. Charging the battery generates hydrogen inside the highly pressurized vessel, which then gets reabsorbed on discharge.
Dr. Yi Cui , EnerVenue Chief Technology Advisor, developed a technique to remove platinum from these batteries, dramatically reducing costs of technology that had grown more sophisticated over decades of NASA adapting it to high-level missions. Much of the groundwork for EnerVenue’s batteries was laid by NASA.
Having laid the foundation and tested it in space, NASA paved the way for a durable power source that is now available for several applications on Earth.
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Last Updated Apr 24, 2025 Related Terms
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By NASA
5 min read
Preparations for Next Moonwalk Simulations Underway (and Underwater)
NASA’s AVIRIS-3 airborne imaging spectrometer was used to map a wildfire near Cas-tleberry, Alabama, on March 19. Within minutes, the image was transmitted to firefighters on the ground, who used it to contain the blaze. NASA/JPL-Caltech, NASA Earth Observatory The map visualizes three wavelengths of infrared light, which are invisible to the human eye. Orange and red areas show cooler-burning areas, while yellow indicates the most intense flames. Burned areas show up as dark red or brown.NASA/JPL-Caltech, NASA Earth Observatory Data from the AVIRIS-3 sensor was recently used to create detailed fire maps in minutes, enabling firefighters in Alabama to limit the spread of wildfires and save buildings.
A NASA sensor recently brought a new approach to battling wildfire, providing real-time data that helped firefighters in the field contain a blaze in Alabama. Called AVIRIS-3, which is short for Airborne Visible Infrared Imaging Spectrometer 3, the instrument detected a 120-acre fire on March 19 that had not yet been reported to officials.
As AVIRIS-3 flew aboard a King Air B200 research plane over the fire about 3 miles (5 kilometers) east of Castleberry, Alabama, a scientist on the plane analyzed the data in real time and identified where the blaze was burning most intensely. The information was then sent via satellite internet to fire officials and researchers on the ground, who distributed images showing the fire’s perimeter to firefighters’ phones in the field.
All told, the process from detection during the flyover to alert on handheld devices took a few minutes. In addition to pinpointing the location and extent of the fire, the data showed firefighters its perimeter, helping them gauge whether it was likely to spread and decide where to add personnel and equipment.
As firefighters worked to prevent a wildfire near Perdido, Alabama, from reaching nearby buildings, they saw in an infrared fire map from NASA’s AVIRIS-3 sensor that showed the fire’s hot spot was inside its perimeter. With that intelligence, they shifted some resources to fires in nearby Mount Vernon.NASA/JPL-Caltech, NASA Earth Observatory “This is very agile science,” said Robert Green, the AVIRIS program’s principal investigator and a senior research scientist at NASA’s Jet Propulsion Laboratory in Southern California, noting AVIRIS-3 mapped the burn scar left near JPL by the Eaton Fire in January.
Observing the ground from about 9,000 feet (3,000 meters) in altitude, AVIRIS-3 flew aboard several test flights over Alabama, Mississippi, Florida, and Texas for a NASA 2025 FireSense Airborne Campaign. Researchers flew in the second half of March to prepare for prescribed burn experiments that took place in the Geneva State Forest in Alabama on March 28 and at Fort Stewart-Hunter Army Airfield in Georgia from April 14 to 20. During the March span, the AVIRIS-3 team mapped at least 13 wildfires and prescribed burns, as well as dozens of small hot spots (places where heat is especially intense) — all in real time.
At one of the Mount Vernon, Alabama, fires, firefighters used AVIRIS-3 maps to determine where to establish fire breaks beyond the northwestern end of the fire. They ultimately cut the blaze off within about 100 feet (30 meters) of four buildings.NASA/JPL-Caltech, NASA Earth Observatory Data from imaging spectrometers like AVIRIS-3 typically takes days or weeks to be processed into highly detailed, multilayer image products used for research. By simplifying the calibration algorithms, researchers were able to process data on a computer aboard the plane in a fraction of the time it otherwise would have taken. Airborne satellite internet connectivity enabled the images to be distributed almost immediately, while the plane was still in flight, rather than after it landed.
The AVIRIS team generated its first real-time products during a February campaign covering parts of Panama and Costa Rica, and they have continued to improve the process, automating the mapping steps aboard the plane.
‘Fan Favorite’
The AVIRIS-3 sensor belongs to a line of imaging spectrometers built at JPL since 1986. The instruments have been used to study a wide range of phenomena — including fire — by measuring sunlight reflecting from the planet’s surface.
During the March flights, researchers created three types of maps. One, called the Fire Quicklook, combines brightness measurements at three wavelengths of infrared light, which is invisible to the human eye, to identify the relative intensity of burning. Orange and red areas on the Fire Quicklook map show cooler-burning areas, while yellow indicates the most intense flames. Previously burned areas show up as dark red or brown.
Another map type, the Fire 2400 nm Quicklook, looks solely at infrared light at a wavelength of 2,400 nanometers. The images are particularly useful for seeing hot spots and the perimeters of fires, which show brightly against a red background.
A third type of map, called just Quicklook, shows burned areas and smoke.
The Fire 2400 nm Quicklook was the “fan favorite” among the fire crews, said Ethan Barrett, fire analyst for the Forest Protection Division of the Alabama Forestry Commission. Seeing the outline of a wildfire from above helped Alabama Forestry Commission firefighters determine where to send bulldozers to stop the spread.
Additionally, FireSense personnel analyzed the AVIRIS-3 imagery to create digitized perimeters of the fires. This provided firefighters fast, comprehensive intelligence of the situation on the ground.
That’s what happened with the Castleberry Fire. Having a clear picture of where it was burning most intensely enabled firefighters to focus on where they could make a difference — on the northeastern edge.
Then, two days after identifying Castleberry Fire hot spots, the sensor spotted a fire about 4 miles (2.5 kilometers) southwest of Perdido, Alabama. As forestry officials worked to prevent flames from reaching six nearby buildings, they noticed that the fire’s main hot spot was inside the perimeter and contained. With that intelligence, they decided to shift some resources to fires 25 miles (40 kilometers) away near Mount Vernon, Alabama.
To combat one of the Mount Vernon fires, crews used AVIRIS-3 maps to determine where to establish fire breaks beyond the northwestern end of the fire. They ultimately cut the blaze off within about 100 feet (30 meters) of four buildings.
“Fire moves a lot faster than a bulldozer, so we have to try to get around it before it overtakes us. These maps show us the hot spots,” Barrett said. “When I get out of the truck, I can say, ‘OK, here’s the perimeter.’ That puts me light-years ahead.”
AVIRIS and the Firesense Airborne Campaign are part of NASA’s work to leverage its expertise to combat wildfires using solutions including airborne technologies. The agency also recently demonstrated a prototype from its Advanced Capabilities for Emergency Response Operations project that will provide reliable airspace management for drones and other aircraft operating in the air above wildfires.
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Andrew Wang / Jane J. Lee
Jet Propulsion Laboratory, Pasadena, Calif.
626-379-6874 / 818-354-0307
andrew.wang@jpl.nasa.gov / jane.j.lee@jpl.nasa.gov
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Last Updated Apr 23, 2025 Related Terms
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