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By NASA
Electrical engineer Scott Hesh works on a sub-payload canister at NASA’s Wallops Flight Facility near Chincoteague, Virginia. The cannister will be part of a science experiment and a demonstration of his Swarm Communications technology.Credits: NASA’s Wallops Flight Facility/Berit Bland Scott Hesh, an electrical engineer at NASA’s Wallops Flight Facility on Virginia’s Eastern Shore, was announced Nov. 2 as the FY22 IRAD Innovator of the Year, an award presented by the agency’s Goddard Space Flight Center in Greenbelt, Maryland.
“An electrical engineer with an insatiable curiosity, Scott Hesh and his team have worked hand-in-glove with science investigators since 2017,” said Goddard Chief Technologist Peter Hughes. “He developed a technology to sample Earth’s upper atmosphere in multiple dimensions with more accurate time and location data than previously possible with a sounding rocket.”
Related: NASA Sounding Rockets Launch Multiple Science Payloads
Newly proven technology developed at NASA’s Wallops Flight Facility near Chincoteague, Virginia, turns a single sounding rocket into a hive deploying a swarm of up to 16 instruments. The technology offers unprecedented accuracy for monitoring Earth’s atmosphere and solar weather over a wide area.
Engineers Josh Yacobucci (left) and Scott Hesh test fit a science sensor sub-payload into a Black Brant sounding rocket at Wallops.Credits: NASA’s Wallops Flight Facility/Berit Bland The Internal Research and Development (IRAD) Innovator of the Year award is presented by Goddard’s Office of the Chief Technologist to individuals who demonstrate the best in innovation.
“Scott has this enthusiasm for what he does that I think is really contagious,” Sounding Rocket Program technologist Cathy Hesh said. “He’s an electrical engineer by education, but he has such a grasp on other disciplines as well, so he’s sort of like a systems engineer. If he wants to improve something, he just goes out and learns all sorts of things that would be beyond the scope of his discipline.”
Mechanical engineer Josh Yacobucci has worked with Scott Hesh for more than 15 years, and said he always learns something when they collaborate.
“Scott brings this great perspective,” Yacobucci said. “He could help winnow out things in my designs that I hadn’t thought of.”
“For his interdisciplinary leadership resulting in game-changing improvements for atmospheric and solar science capabilities,” Hughes said, “Scott Hesh deserves Goddard’s Innovator of the Year Award.”
By Karl B. Hille
NASA’s Goddard Space Flight Center, Greenbelt, Md.
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By NASA
Four individuals with NASA affiliations have been named 2022 fellows by the American Association for the Advancement of Science (AAAS) in recognition of their scientifically and socially distinguished achievements in the scientific enterprise.
Election as a Fellow by the AAAS Council honors members whose efforts on behalf of the advancement of science or its applications in service to society have distinguished them among their peers and colleagues. The 2022 Fellows class includes 508 scientists, engineers, and innovators spanning 24 scientific disciplines.
Rita Sambruna from NASA’s Goddard Space Flight Center in Greenbelt, Maryland, was recognized in the AAAS Section on Astronomy, and Jennifer Wiseman, also from Goddard, was recognized in the AAAS Section on Physics. Dorothy Peteet of NASA’s Goddard Institute for Space Studies (GISS) in New York was honored in the AAAS section on Earth Science. Erik Conway of NASA’s Jet Propulsion Laboratory (JPL) in southern California was honored for distinguished contributions and public outreach to the history of science and understanding of contemporary science and science policy.
Dr. Rita Sambruna is the acting deputy director of the Science and Exploration Directorate and the deputy director of the Astrophysics Division at Goddard. She also promotes increased participation of underrepresented groups in science.Courtesy of Rita M. Sambruna Rita Sambruna
Dr. Rita Sambruna is the acting deputy director of the Science and Exploration Directorate and the deputy director of the Astrophysics Division at Goddard. She also promotes increased participation of underrepresented groups in science.
She worked with a team to position Goddard to lead the decadal top priority missions. She led a team to set into place a vision for a Multi-Messenger Astrophysics Science Support Center at Goddard, to lead the astrophysics community in reaping the most from NASA- and ground-based observations of celestial sources.
She came to Goddard in 2005 to work on multiwavelength observations of jets using the Fermi Gamma-ray Space Telescope and other NASA capabilities. From 2010 to 2020 she worked at NASA Headquarters, Washington, as a program scientist for astrophysics. Her research interests include relativistic jets, physics of compact objects, supermassive black holes in galaxies, and multiwavelength and multi-messenger astrophysics.
In December 2022, Sambruna was awarded the Honorary Fellowship of the Royal Astronomical Society (RAS) as an internationally acclaimed astrophysicist who embodies the RAS mission in promoting the advancement of science, the increased participation of historically underrepresented groups in astronomy, and a broad interest in astronomy. In 2019 she was awarded the NASA Extraordinary Achievement Medal for her leadership on the 2020 Astrophysics Decadal Survey studies. She was named Fellow of the American Physical Society in 2020 and a Fellow of the American Astronomical Society in 2021.
Dr. Jennifer Wiseman is a senior astrophysicist at Goddard and a Senior Fellow at Goddard, where she serves as the senior project scientist for the Hubble Space Telescope. Her primary responsibility is to ensure that the Hubble mission is as scientifically productive as possible.NASA Jennifer Wiseman
Dr. Jennifer Wiseman is a senior astrophysicist at Goddard and a Senior Fellow at Goddard, where she serves as the senior project scientist for the Hubble Space Telescope. Her primary responsibility is to ensure that the Hubble mission is as scientifically productive as possible. Previously, Wiseman headed Goddard’s Laboratory for Exoplanets and Stellar Astrophysics. She started her career at NASA in 2003 as the program scientist for Hubble and several other astrophysics missions at NASA Headquarters.
Wiseman’s scientific expertise is centered on the study of star-forming regions in our galaxy using a variety of tools, including radio, optical, and infrared telescopes. She has a particular interest in dense interstellar gas cloud cores, embedded protostars, and their related outflows as active ingredients of cosmic nurseries where stars and their planetary systems are born. In addition to research in astrophysics, Wiseman is also interested in science policy and public science outreach and engagement. She has served as a congressional science fellow of the American Physical Society, an elected councilor of the American Astronomical Society, and a public dialogue leader for AAAS. She enjoys giving talks on the excitement of astronomy and scientific discovery, and has appeared in many science and news venues, including The New York Times, The Washington Post, NOVA, and National Public Radio.
Dr. Dorothy M. Peteet is a senior research scientist at GISS and an adjunct professor at Columbia University. She directs the Paleoecology Division of the New Core Lab at Lamont Doherty Earth Observatory (LDEO) of Columbia.NASA Dorothy Peteet
Dr. Dorothy M. Peteet is a senior research scientist at GISS and an adjunct professor at Columbia University. She directs the Paleoecology Division of the New Core Lab at Lamont Doherty Earth Observatory (LDEO) of Columbia.
In collaboration with GISS climate modelers and LDEO geochemists, she is studying conditions of the Late Pleistocene and Holocene that are archived in sediments from lakes and wetlands. Peteet documents past changes in vegetation, derived from analyses of pollen and spores, plant and animal macrofossils, carbon, and charcoal embedded in sediments. Her research provides local and regional records of ancient vegetational and climate history. One recent focus has been the sequestration of carbon in northern peatlands and coastal marshes: ecosystems that are now vulnerable to climate change and potentially substantial releases of carbon back into the atmosphere.
Peteet also has performed climate modeling experiments to test hypotheses concerning the last glacial maximum and abrupt climate change. She is interested in climate sensitivity and in how past climate changes and ecological shifts might provide insights on future climate change.
Erik Conway has served as the historian at JPL since 2004. Prior to that, he was a contract historian at NASA’s Langley Research Center in Hampton, Virginia. He is a historian of science and technology, and has written histories of atmospheric science, supersonic transportation, aviation infrastructure, Mars exploration, and climate change denial.NASA Erik Conway
Erik Conway has served as the historian at JPL since 2004. Prior to that, he was a contract historian at NASA’s Langley Research Center in Hampton, Virginia. He is a historian of science and technology, and has written histories of atmospheric science, supersonic transportation, aviation infrastructure, Mars exploration, and climate change denial.
He is the author of nine books, most recently, “A History of Near-Earth Objects Research” (NASA, 2022), and “The Big Myth” (Bloomsbury, 2023). His book “Merchants of Doubt” with Naomi Oreskes was awarded the Helen Miles Davis and Watson Davis prize from the History of Science Society. He received a Guggenheim Fellowship in 2018 and the Athelstan Spilhaus Award from the American Geophysical Union in 2016.
AAAS noted that these honorees have gone above and beyond in their respective disciplines. They bring a broad diversity of perspectives, innovation, curiosity, and passion that will help sustain the scientific field today and into the future. Many of these individuals have broken barriers to achieve successes in their given disciplines.
AAAS is the world’s largest general scientific society and publisher of the Science family of journals.
For information about NASA and agency programs, visit: https://www.nasa.gov
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Last Updated Feb 10, 2025 EditorJamie Adkins Related Terms
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By NASA
4 min read
Preparations for Next Moonwalk Simulations Underway (and Underwater)
NASA’s Voyager 2 captured this image of Uranus while flying by the ice giant in 1986. New research using data from the mission shows a solar wind event took place during the flyby, leading to a mystery about the planet’s magnetosphere that now may be solved.NASA/JPL-Caltech NASA’s Voyager 2 flyby of Uranus decades ago shaped scientists’ understanding of the planet but also introduced unexplained oddities. A recent data dive has offered answers.
When NASA’s Voyager 2 spacecraft flew by Uranus in 1986, it provided scientists’ first — and, so far, only — close glimpse of this strange, sideways-rotating outer planet. Alongside the discovery of new moons and rings, baffling new mysteries confronted scientists. The energized particles around the planet defied their understanding of how magnetic fields work to trap particle radiation, and Uranus earned a reputation as an outlier in our solar system.
Now, new research analyzing the data collected during that flyby 38 years ago has found that the source of that particular mystery is a cosmic coincidence: It turns out that in the days just before Voyager 2’s flyby, the planet had been affected by an unusual kind of space weather that squashed the planet’s magnetic field, dramatically compressing Uranus’ magnetosphere.
“If Voyager 2 had arrived just a few days earlier, it would have observed a completely different magnetosphere at Uranus,” said Jamie Jasinski of NASA’s Jet Propulsion Laboratory in Southern California and lead author of the new work published in Nature Astronomy. “The spacecraft saw Uranus in conditions that only occur about 4% of the time.”
The first panel of this artist’s concept depicts how Uranus’s magnetosphere — its protective bubble — was behaving before the flyby of NASA’s Voyager 2. The second panel shows an unusual kind of solar weather was happening during the 1986 flyby, giving scientists a skewed view of the magnetosphere.NASA/JPL-Caltech Magnetospheres serve as protective bubbles around planets (including Earth) with magnetic cores and magnetic fields, shielding them from jets of ionized gas — or plasma — that stream out from the Sun in the solar wind. Learning more about how magnetospheres work is important for understanding our own planet, as well as those in seldom-visited corners of our solar system and beyond.
That’s why scientists were eager to study Uranus’ magnetosphere, and what they saw in the Voyager 2 data in 1986 flummoxed them. Inside the planet’s magnetosphere were electron radiation belts with an intensity second only to Jupiter’s notoriously brutal radiation belts. But there was apparently no source of energized particles to feed those active belts; in fact, the rest of Uranus’ magnetosphere was almost devoid of plasma.
The missing plasma also puzzled scientists because they knew that the five major Uranian moons in the magnetic bubble should have produced water ions, as icy moons around other outer planets do. They concluded that the moons must be inert with no ongoing activity.
Solving the Mystery
So why was no plasma observed, and what was happening to beef up the radiation belts? The new data analysis points to the solar wind. When plasma from the Sun pounded and compressed the magnetosphere, it likely drove plasma out of the system. The solar wind event also would have briefly intensified the dynamics of the magnetosphere, which would have fed the belts by injecting electrons into them.
The findings could be good news for those five major moons of Uranus: Some of them might be geologically active after all. With an explanation for the temporarily missing plasma, researchers say it’s plausible that the moons actually may have been spewing ions into the surrounding bubble all along.
Planetary scientists are focusing on bolstering their knowledge about the mysterious Uranus system, which the National Academies’ 2023 Planetary Science and Astrobiology Decadal Survey prioritized as a target for a future NASA mission.
JPL’s Linda Spilker was among the Voyager 2 mission scientists glued to the images and other data that flowed in during the Uranus flyby in 1986. She remembers the anticipation and excitement of the event, which changed how scientists thought about the Uranian system.
“The flyby was packed with surprises, and we were searching for an explanation of its unusual behavior. The magnetosphere Voyager 2 measured was only a snapshot in time,” said Spilker, who has returned to the iconic mission to lead its science team as project scientist. “This new work explains some of the apparent contradictions, and it will change our view of Uranus once again.”
Voyager 2, now in interstellar space, is almost 13 billion miles (21 billion kilometers) from Earth.
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Last Updated Nov 11, 2024 Related Terms
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By NASA
Due to launch in the early 2030s, NASA’s DAVINCI mission will investigate whether Venus — a sweltering world wrapped in an atmosphere of noxious gases — once had oceans and continents like Earth.
Consisting of a flyby spacecraft and descent probe, DAVINCI will focus on a mountainous region called Alpha Regio, a possible ancient continent. Though a handful of international spacecraft plunged through Venus’ atmosphere between 1970 and 1985, DAVINCI’s probe will be the first to capture images of this intriguing terrain ever taken from below Venus’ thick and opaque clouds.
But how does a team prepare for a mission to a planet that hasn’t seen an atmospheric probe in nearly 50 years, and that tends to crush or melt its spacecraft visitors?
Scientists leading the DAVINCI mission started by using modern data-analysis techniques to pore over decades-old data from previous Venus missions. Their goal is to arrive at our neighboring planet with as much detail as possible. This will allow scientists to most effectively use the probe’s descent time to collect new information that can help answer longstanding questions about Venus’ evolutionary path and why it diverged drastically from Earth’s.
On the left, a new and more detailed view of Venus’ Alpha Regio region developed by scientists on NASA’s DAVINCI mission to Venus, due to launch in the early 2030s. On the right is a less detailed map created using radar altimeter data collected by NASA’s Magellan spacecraft in the early 1990s. The colors on the maps depict topography, with dark blues identifying low elevations and browns identifying high elevations. To make the map on the left, the DAVINCI science team re-analyzed Magellan data and supplemented it with radar data collected on three occasions from the Arecibo Observatory in Puerto Rico, and used machine vision computer models to scrutinize the data and fill in gaps in information. The red ellipses on each image mark the area DAVINCI’s probe will descend over as it collects data on its way toward the surface. Jim Garvin/NASA’s Goddard Space Flight Center Between 1990 and 1994, NASA’s Magellan spacecraft used radar imaging and altimetry to map the topography of Alpha Regio from Venus’ orbit. Recently, NASA’s DAVINICI’s team sought more detail from these maps, so scientists applied new techniques to analyze Magellan’s radar altimeter data. They then supplemented this data with radar images taken on three occasions from the former Arecibo Observatory in Puerto Rico and used machine vision computer models to scrutinize the data and fill in gaps in information at new scales (less than 0.6 miles, or 1 kilometer).
As a result, scientists improved the resolution of Alpha Regio maps tenfold, predicting new geologic patterns on the surface and prompting questions about how these patterns could have formed in Alpha Regio’s mountains.
Benefits of Looking Backward
Old data offers many benefits to new missions, including information about what frequencies, parts of spectrum, or particle sizes earlier instruments covered so that new instruments can fill in the gaps.
At NASA Space Science Data Coordinated Archive, which is managed out of NASA’s Goddard Space Flight Center in Greenbelt, Maryland, staff restore and digitize data from old spacecraft. That vintage data, when compared with modern observations, can show how a planet changes over time, and can even lead to new discoveries long after missions end. Thanks to new looks at Magellan observations, for instance, scientists recently found evidence of modern-day volcanic activity on Venus.
The three images in this carousel were taken in March 2024 at NASA Space Science Data Coordinated Archive at NASA’s Goddard Space Flight Center in Greenbelt, Md. The first shows stacked boxes of microfilm with data from Apollo missions. The middle image shows miniaturized records from NASA’s 1964 Mariner 4 flyby mission to Mars. And the final image shows a view of Jupiter from NASA’s Pioneer 10 flyby mission to the outer planets, which launched on March 2, 1972. The three images in this carousel were taken in March 2024 at NASA Space Science Data Coordinated Archive at NASA’s Goddard Space Flight Center in Greenbelt, Md. The first shows stacked boxes of microfilm with data from Apollo missions. The middle image shows miniaturized records from NASA’s 1964 Mariner 4 flyby mission to Mars. And the final image shows a view of Jupiter from NASA’s Pioneer 10 flyby mission to the outer planets, which launched on March 2, 1972. The three images in this carousel were taken in March 2024 at NASA Space Science Data Coordinated Archive at NASA’s Goddard Space Flight Center in Greenbelt, Md. The first shows stacked boxes of microfilm with data from Apollo missions. The middle image shows miniaturized records from NASA’s 1964 Mariner 4 flyby mission to Mars. And the final image shows a view of Jupiter from NASA’s Pioneer 10 flyby mission to the outer planets, which launched on March 2, 1972.
Magellan was among the first missions to be digitally archived in NASA’s publicly accessible online repository of planetary mission data. But the agency has reams of data — much of it not yet digitized — dating back to 1958, when the U.S. launched its first satellite, Explorer 1.
Data restoration is a complex and resource-intensive job, and NASA prioritizes digitizing data that scientists need. With three forthcoming missions to Venus — NASA’s DAVINCI and VERITAS, plus ESA’s (European Space Agency) Envision — space data archive staff are helping scientists access data from Pioneer Venus, NASA’s last mission to drop probes into Venus’ atmosphere in 1978.
Mosaic of Venus
Alpha Regio is one of the most mysterious spots on Venus. Its terrain, known as “tessera,” is similar in appearance to rugged Earth mountains, but more irregular and disorderly.
So called because they resemble a geometric parquet floor pattern, tesserae have been found only on Venus, and DAVINCI will be the first mission to explore such terrain in detail and to map its topography.
DAVINCI’s probe will begin photographing Alpha Regio — collecting the highest-resolution images yet — once it descends below the planet’s clouds, starting at about 25 miles, or 40 kilometers, altitude. But even there, gases in the atmosphere scatter light, as does the surface, such that these images will appear blurred.
Could Venus once have been a habitable world with liquid water oceans — like Earth? This is one of the many mysteries associated with our shrouded sister world. Credit: NASA’s Goddard Space Flight Center DAVINCI scientists are working on a solution. Recently, scientists re-analyzed old Venus imaging data using a new artificial-intelligence technique that can sharpen the images and use them to compute three-dimensional topographic maps. This technique ultimately will help the team optimize DAVINCI’s images and maps of Alpha Regio’s mountains. The upgraded images will give scientists the most detailed view ever — down to a resolution of 3 feet, or nearly 1 meter, per pixel — possibly allowing them to detect small features such as rocks, rivers, and gullies for the first time in history.
“All this old mission data is part of a mosaic that tells the story of Venus,” said Jim Garvin, DAVINCI principal investigator and chief scientist at NASA Goddard. “A story that is a masterpiece in the making but incomplete.”
By analyzing the surface texture and rock types at Alpha Regio, scientists hope to determine if Venusian tesserae formed through the same processes that create mountains and certain volcanoes on Earth.
By Lonnie Shekhtman
NASA’s Goddard Space Flight Center, Greenbelt, Md.
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Last Updated Oct 17, 2024 Editor Lonnie Shekhtman Contact Lonnie Shekhtman lonnie.shekhtman@nasa.gov Location Goddard Space Flight Center Related Terms
DAVINCI (Deep Atmosphere Venus Investigation of Noble gases, Chemistry, and Imaging) Pioneer Venus Planetary Science Planetary Science Division Planets Science & Research Science Mission Directorate The Solar System Venus VERITAS (Venus Emissivity, Radio Science, InSAR, Topography & Spectroscopy) View the full article
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By USH
In the remote wilderness of the Shoria Mountains in southern Siberia, a long-hidden secret has remained untouched for millennia. Far from the reach of modern civilization, a discovery was made that would challenge our understanding of ancient human history.
In 2013, a team of 19 researchers, led by Georgy Sidorov, embarked on an expedition to explore this mysterious region. Their destination was Gora Shoria, a mountain towering 3,600 feet above sea level in a remote part of Russia. Intrigued by reports of strange megalithic structures, the team ventured into this secluded terrain.
What they found was extraordinary: an immense super-megalith dating back roughly 100,000 years that defied conventional history. These massive stone blocks, later known as the Gornaya Shoria Megaliths, appeared to be made of granite, featuring flat surfaces and precise right angles. The most astounding detail was the weight of the stones, exceeding 3,000 tons—making them the largest megaliths ever discovered.
The arrangement of these granite blocks suggested a deliberate design, far beyond what could be explained by natural formations. The blocks were carefully stacked, reaching a height of approximately 140 feet. This raised profound questions: how were such massive stones carved, transported, and assembled in this remote and rugged landscape?
Some researchers have speculated about the existence of a pre-flood civilization, a sophisticated society wiped out by a cataclysmic event.
Also a deep, narrow vertical shaft was uncovered. The shaft, lined with parallel stone slabs, appeared to be human-made.
The walls of the shaft were straight and polished, descending 40 meters (around 130 feet) before opening into a vast underground hall, 36 meters (around 118 feet) high. These walls were constructed from large megalithic blocks, perfectly fitted with minimal gaps. Some of the stones resembled columns, reinforcing the idea of deliberate design. The full explored length of the shaft spanned over 100 meters (approximately 350 feet).
The precision and scale of this structure left no doubt that it was an artificial creation of immense proportions. The polished walls and massive blocks bore a striking resemblance to the shafts within the Great Pyramid of Khufu in Egypt, suggesting a level of architectural sophistication that defies conventional explanations.
Speculation abounds regarding the shaft’s original purpose. Some believe it served an advanced technological function or was part of a larger, undiscovered structure. The exploration team took over an hour to reach the bottom of the shaft, which required significant climbing expertise and endurance. It is believed that additional chambers and channels, still unexplored, may lie even deeper underground.
How could these gigantic 200-ton stone blocks have been assembled with such accuracy, deep underground? What kind of technology was used to construct the shaft and underground chamber?
Some researchers have speculated that it may have been part of an ancient factory, a seismological research device, or even an energy generator. Others believe it was the underground portion of a long-lost pyramid that once stood on the surface of the mountain.
Despite differing theories, we may wonder what ancient forces or lost civilizations left their mark on this remote corner of the world?
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