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By NASA
Earth Observer Earth Home Earth Observer Home Editor’s Corner Feature Articles Meeting Summaries News Science in the News Calendars In Memoriam More Archives 3 min read
Summary of Aura 20th Anniversary Event
Snippets from The Earth Observer’s Editor’s Corner
The last of NASA’s three EOS Flagships – Aura – marked 20 years in orbit on July 15, 2024, with a celebration on September 18, 2024, at the Goddard Space Flight Center’s (GSFC) Recreational Center. The 120 attendees – including about 40 virtually – reminisced about Aura’s (originally named EOS-CHEM) tumultuous beginning, from the instrument and Principal Investigator (PI) selections up until the delayed launch at the Vandenberg Space Force Base (then Vandenberg Air Force Base) in California. They remembered how Bill Townsend, who was Deputy Director of GSFC at the time, and Ghassem Asrar, who was NASA’s Associate Administrator for Earth Science, spent many hours on site negotiating with the Vandenberg and Boeing launch teams in preparation for launch (after several delays and aborts). The Photo shows the Aura mission program scientist, project scientists (PS), and several instrument principal investigators (PI) shortly before launch.
Photo 1. The Aura (formerly EOS CHEM) mission program scientist, project scientists (PS), and several of instrument principal investigators (PI) at Vandenberg Space Force Base (then Air Force Base) shortly before launch on July 15, 2004. The individuals pictured [left to right] are Reinhold Beer [NASA/Jet Propulsion Laboratory (JPL)—Tropospheric Emission Spectrometer (TES) PI]; John Gille [University of Colorado, Boulder/National Center for Atmospheric Research (NCAR)—High Resolution Dynamics Limb Sounder (HIRDLS) PI]; Pieternel Levelt [Koninklijk Nederlands Meteorologisch Instituut (KNMI), Royal Netherlands Meteorological Institute—Ozone Monitoring Instrument (OMI) PI]; Ernest Hilsenrath [NASA’s Goddard Space Flight Center (GSFC)—Aura Deputy Scientist and U.S. OMI Co-PI];Anne Douglass [GSFC—Aura Deputy PS]; Mark Schoeberl [GSFC—Aura Project Scientist]; Joe Waters [NASA/JPL—Microwave Limb Sounder (MLS) PI]; P.K. Bhartia [GSFC—OMI Science Team Leader and former Aura Project Scientist]; and Phil DeCola [NASA Headquarters—Aura Program Scientist]. NOTE: Affiliations/titles listed for individuals named were those at the time of launch. Photo Credit: Ernest Hilsenrath At the anniversary event, Bryan Duncan [GSFC—Aura Project Scientist] gave formal opening remarks. Aura’s datasets have given a generation of scientists the most comprehensive global view of gases in Earth’s atmosphere to better understand the chemical and dynamic processes that shape their concentrations. Aura’s objective was to gather data to monitor Earth’s ozone layer, examine trends in global air pollutants, and measure the concentration of atmospheric constituents contributing to climate forcing. To read more about Aura’s incredible 20 years of accomplished air quality and climate science, see the anniversary article “Aura at 20 Years” in The Earth Observer.
Bill Guit [GSFC—Aqua and Aura Program Manager and former Aura Mission Operations Lead] gave brief remarks focusing on how Aura became part of the international Afternoon Constellation, or “A-Train,” of satellites, including Aqua, which launched in 2002, and joined by several other NASA and international missions. Aura and Aqua have provided data for over two decades of multidisciplinary Earth science discovery and enhancement.
Both current and former Aura instrument PIs gave brief remarks. Each discussed Aura’s scientific legacy and their instrument’s contributions. They thanked their engineering teams for the successful development and operation of their instruments, and the members of the instrument science teams for developing the algorithms, discovering new science, and demonstrating how the science will serve the public. The PIs were particularly grateful that their instruments or the variants thereof will continue to fly on current and/or future NASA science missions or on international operational satellites.
Steve Platnick
EOS Senior Project Scientist
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Last Updated Nov 14, 2024 Related Terms
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By NASA
1 min read
Preparations for Next Moonwalk Simulations Underway (and Underwater)
Shauntina Lilly, a NASA Glenn public affairs officer, speaks to students about NASA’s available internships and educational resources during the STEM Goes Red for Girls event at Great Lakes Science Center, home of the NASA Glenn Visitor Center, on Oct. 21.Credit: NASA/Debbie Welch NASA’s Glenn Research Center in Cleveland supported this year’s STEM Goes Red for Girls event at Great Lakes Science Center on Oct. 21. The program provides seventh and eighth grade students exposure to some of Greater Cleveland’s leading STEM companies. The event also featured a hands-on exhibitor fair, speed mentoring, and educational classes.
Hosted by the American Heart Association, this year’s event welcomed its largest audience to date with 352 students and educators from 32 schools within Northeast Ohio. NASA Glenn’s presence focused heavily on internships and career advice, but also highlighted the center’s work with the Space Communications and Navigation program’s Deep Space Network. Glenn’s Julie Sufka also served as a mentor, speaking to young girls about STEM opportunities in mathematics.
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By NASA
5 Min Read Wearable Tech for Space Station Research
A wearable monitoring device is visible on the left wrist of NASA astronaut Jeanette Epps. Credits: NASA Science in Space Nov 2024
Many of us wear devices that count our steps, measure our heart rate, track sleep patterns, and more. This information can help us make healthy decisions – research shows the devices encourage people to move more, for example – and could flag possible problems, such as an irregular heartbeat.
Wearable monitors also have become common tools for research on human health, including studies on the International Space Station. Astronauts have worn special watches, headbands, vests, and other devices to help scientists examine sleep quality, effectiveness of exercise, heart health, and more.
Warm to the core
Spaceflight can affect body temperature regulation and daily rhythms due to factors such as the absence of convection (a natural process that transfers heat away from the body) and changes in the cardiovascular and metabolic systems.
A current investigation from ESA (European Space Agency), Thermo-Mini or T-Mini examines how the body regulates its core temperature during spaceflight. The study uses a non-invasive headband monitor that astronauts can wear for hours at a time. Data from the monitor allow researchers to determine the effect on body temperature from environmental and physiological factors such as room temperature and humidity, time of day, and physical stress. The same type of sensor already is used on Earth for research in clinical environments, such as improving incubators, and studies of how hotter environments affect human health.
Thermolab, an earlier ESA investigation, examined thermoregulatory and cardiovascular adaptations during rest and exercise in microgravity. Researchers found that core body temperature rises higher and faster during exercise in space than on Earth and that the increase was sustained during rest, a phenomenon that could affect the health of crew members on long-term spaceflight. The finding also raises questions about the thermoregulatory set point humans are assumed to have as well as our ability to adapt to climate change on Earth.
NASA astronaut Nick Hague wears the T-mini device while exercising.NASA To sleep, perchance to dream
Spaceflight is known to disrupt sleep-wake patterns. Actiwatch Spectrum, a device worn on the wrist, contains an accelerometer to measure motion and photodetectors to monitor ambient lighting. It is an upgrade of previous technology used on the space station to monitor the length and quality of crew member sleep. Data from earlier missions show that crew members slept significantly less during spaceflight than before and after. The Actiwatch Sleep-Long investigation used an earlier version of the device to examine how ambient light affects the sleep-wake cycle and found an association between sleep deficiency and changes during spaceflight in circadian patterns, or the body’s response to a normal 24-hour light and dark cycle. Follow up studies are testing lighting systems to address these effects and help astronauts maintain healthy circadian rhythms.
NASA astronaut Sunita Williams wears an Actiwatch as she conducts research.NASA Wearable Monitoring tested a lightweight vest with embedded sensors to monitor heart rate and breathing patterns during sleep and help determine whether changes in heart activity affect sleep quality. The technology offers a significant advantage by monitoring heart activity without waking the test subject and could help patients on Earth with sleep disorders. Researchers reported positive performance and good quality of recorded signals, suggesting that the vest can contribute to comprehensive monitoring of individual health on future spaceflight and in some settings on Earth as well.
These and other studies support development of countermeasures to improve sleep for crew members, helping to maintain alertness and lessen fatigue during missions.
(Not) waiting to exhale
Humans exhale carbon dioxide and too much of it can build up in closed environments, causing headaches, dizziness, and other symptoms. Spacecraft have systems to remove this substance from cabin air, but pockets of carbon dioxide can form and be difficult to detect and remove. Personal CO2 Monitor tested specially designed sensors attached to clothing to monitor the wearer’s immediate surroundings. Researchers reported that the devices functioned adequately as either crew-worn or static monitors, an important step toward using them to determine how carbon dioxide behaves in enclosed systems like spacecraft.
One of the wearable carbon dioxide monitors clipped to the wall near a crew sleeping compartment. Radiation in real time
EVARM, an investigation from CSA (Canadian Space Agency), used small wireless dosimeters carried in a pocket to measure radiation exposure during spacewalks. The data showed that this method is a feasible way to measure radiation exposure, which could help focus routine dosage monitoring where it is most needed. Any shielding and countermeasures developed also could help protect people who work in high-radiation areas on Earth.
ESA’s Active Dosimeter tested a radiation dosimeter worn by crew members to measure changes in their exposure over time based on the space station’s orbit and altitude, the solar cycle, and solar flares. Measurements from the device allowed researchers to analyze radiation dosage across an entire space mission.
ESA astronaut Thomas Pesquet holds one of the mobile units for the Active Dosimeter study.NASA The Active Dosimeter also was among the instruments used to measure radiation on NASA’s Orion spacecraft during its 25.5-day uncrewed Artemis I mission around the Moon and back in 2022.
Another device tested on the space station and then on Artemis I, AstroRad Vest is designed to protect astronauts from solar particle events. Researchers used these and other radiation measuring devices to show that Orion’s design can protect its crew from potentially hazardous radiation levels during lunar missions.
The International Space Station serves as an important testbed for these technologies and many others being developed for future missions to the Moon and beyond.
Melissa Gaskill
International Space Station Research Communications Team
Johnson Space Center
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By NASA
5 min read
Preparations for Next Moonwalk Simulations Underway (and Underwater)
NASA provides a variety of pathways for those outside the agency to contribute to authentic and meaningful research. Whether you’re a student pursuing a degree in STEM (science, technology, engineering, or mathematics), an educator looking for new ways to engage your classroom, or a citizen scientist enthusiastic about sharing your observations, there’s a wide array of opportunities to get involved in NASA research.
Citizen scientists around the world participate in environmental observation and measurement efforts through GLOBE.NASA Everybody
People from all around the world can make contributions to NASA research through citizen science projects and other opportunities available to the public.
Share your observations and take measurements in your part of the world through GLOBE (Global Learning and Observations to Benefit the Environment), an international science and education initiative that engages students, teachers, and the public in collecting and analyzing environmental data. Do you have a relevant idea for human health science research that could be performed on the future Gateway lunar space station? Follow these steps to share your idea for consideration. The Prizes, Challenges, and Crowdsourcing program through NASA’s Space Technology Mission Directorate invites citizen scientists to develop innovations in recycling material waste on deep space missions, develop aids/devices for navigating on the lunar surface during future Artemis missions, and more. Do you have the “right stuff” to participate in a simulated deep space mission? NASA’s HERA (the Human Exploration Research Analog) is seeking healthy subjects to participate in 45-day simulations to study the physiological and psychological effects of isolation and confinement on humans to help prepare for future missions to the Moon and Mars. Visit the NASA Citizen Science webpage for more opportunities to discover the secrets of the universe, search for life elsewhere, and improve life on Earth and in space. This collage features the winning designs in the 2024 Dream with Us Design Challenge, which asks students to dream of innovations for the future of aviation.NASA Middle and High School Students
Students can gain valuable experience while making a difference in the future of aeronautics and exploration.
Rising high school juniors and seniors are eligible to apply for the four-week Gene Lab for High School Students training program sponsored by NASA’s Ames Research Center in Silicon Valley, California. The program focuses on collecting and analyzing complex biological data such as genetic codes, and computational biology. Through the annual TechRise Student Challenge offered by NASA’s Space Technology Mission Directorate, U.S. students in grades 6 to 12 form teams and design an experiment to fly on a suborbital flight platform such as a high-altitude balloon. Interested in aviation? The Dream With Us Design Challenge through NASA’s Aeronautics Research Mission Directorate invites students in grades 6 to 12 to envision new innovations that will improve the safety, sustainability, and accessibility of aviation systems and technology. Through NASA internships, U.S. students ages 16 and up can boost their research experience and contribute to NASA’s work with the guidance of an agency mentor. This collage features the winning designs in the 2024 Dream with Us Design Challenge, which asks students to dream of innovations for the future of aviation.NASA Undergraduate and Graduate Students
NASA offers a variety of research opportunities for college students preparing to launch their own exciting careers in STEM.
NASA’s Established Program to Stimulate Competitive Research (EPSCoR) grants competitive awards to enable college and university students within specific U.S. jurisdictions to participate in cutting-edge research projects that address NASA’s challenges and needs. The National Space Grant College and Fellowship Project (Space Grant), is a national network of colleges and universities comprising a total of 52 consortia across the U.S. These consortia fund several research opportunities for students attending member colleges and universities. Look up your state’s Space Grant consortium website to discover available opportunities. NASA internships are available in a wide range of opportunities for undergraduate and graduate students, enabling meaningful contributions to NASA’s missions as well as authentic experience as a part of the agency’s world-class workforce. Through the University Student Research Challenge, students are invited to propose their ideas describing innovative new approaches to tackling one of six major research areas as outlined by NASA’s Aeronautics Research Mission Directorate. Students can take part in valuable studies of the ever-changing Earth system through NASA’s Earth Science Division’s Early Career Research (ECR) program. ECR includes the eight-week Student Airborne Research Program, the Climate Change Research Initiative, and more. College students at Minority Serving Institutions can contribute to the agency’s exploration goals through many opportunities offered by NASA’s Minority University Research and Education Project (MUREP). Educators of grades K-8 take part in a workshop hosted by NASA’s Next Gen STEM.NASA Educators
NASA provides opportunities for educators to participate in authentic aerospace research, as well as to engage their students in research in the classroom.
Space Grant offers a variety of opportunities for educators, from curriculum enhancement and faculty development to grants enabling teachers to bring NASA research into the classroom. Look up your state’s Space Grant consortium website to discover available opportunities. NASA welcomes interns with professional teaching experience to help foster the education and curiosity of students who will shape the future workforce. Visit NASA Internships to learn more and find current opportunities. Through NASA’s Climate Change Research Initiative, part of the agency’s Earth Science Division’s Early Career Research Program, high school STEM educators can join a research team led by NASA scientists to focus on a research area related to climate change. There’s More to Explore
Explore available NASA STEM learning experiences, such as internship roles, student competitions, or engagements with NASA researchers, through NASA’s STEM Gateway platform. Visit NASA’s Learning Resources webpage for the latest news and resources from the agency’s Office of STEM Engagement.
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By NASA
NASA NASA pilot Joe Walker sits in the pilot’s platform of the Lunar Landing Research Vehicle (LLRV) number 1 on Oct. 30, 1964. The LLRV and its successor the Lunar Landing Training Vehicle (LLTV) provided the training tool to simulate the final 200 feet of the descent to the Moon’s surface.
The LLRVs, humorously referred to as flying bedsteads, were used by NASA’s Flight Research Center, now NASA’s Armstrong Flight Research Center in California, to study and analyze piloting techniques needed to fly and land the Apollo lunar module in the moon’s airless environment.
Learn more about the LLRV’s first flight.
Image credit: NASA
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