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By NASA
3 min read
Preparations for Next Moonwalk Simulations Underway (and Underwater)
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A 3D simulation showing the evolution of turbulent flows in the upper layers of the Sun. The more saturated and bright reds represent the most vigorous upward or downward twisting motions. Clear areas represent areas where there is only relatively slow up-flows, with very little twisting.NASA/Irina Kitiashvili and Timothy A. Sandstrom NASA supercomputers are shedding light on what causes some of the Sun’s most complex behaviors. Using data from the suite of active Sun-watching spacecraft currently observing the star at the heart of our solar system, researchers can explore solar dynamics like never before.
The animation shows the strength of the turbulent motions of the Sun’s inner layers as materials twist into its atmosphere, resembling a roiling pot of boiling water or a flurry of schooling fish sending material bubbling up to the surface or diving it further down below.
“Our simulations use what we call a realistic approach, which means we include as much as we know to-date about solar plasma to reproduce different phenomena observed with NASA space missions,” said Irina Kitiashvili, a scientist at NASA’s Ames Research Center in California’s Silicon Valley who helped lead the study.
Using modern computational capabilities, the team was able, for the first time to reproduce the fine structures of the subsurface layer observed with NASA’s Solar Dynamics Observatory.
“Right now, we don’t have the computational capabilities to create realistic global models of the entire Sun due to the complexity,” said Kitiashvili. “Therefore, we create models of smaller areas or layers, which can show us structures of the solar surface and atmosphere – like shock waves or tornado-like features measuring only a few miles in size; that’s much finer detail than any one spacecraft can resolve.”
Scientists seek to better understand the Sun and what phenomena drive the patterns of its activity. The connection and interactions between the Sun and Earth drive the seasons, ocean currents, weather, climate, radiation belts, auroras and many other phenomena. Space weather predictions are critical for exploration of space, supporting the spacecraft and astronauts of NASA’s Artemis campaign. Surveying this space environment is a vital part of understanding and mitigating astronaut exposure to space radiation and keeping our spacecraft and instruments safe.
This has been a big year for our special star, studded with events like the annular eclipse, a total eclipse, and the Sun reaching its solar maximum period. In December 2024, NASA’s Parker Solar Probe mission – which is helping researchers to understand space weather right at the source – will make its closest-ever approach to the Sun and beat its own record of being the closest human-made object to reach the Sun.
The Sun keeps surprising us. We are looking forward to seeing what kind of exciting events will be organized by the Sun."
Irina Kitiashvili
NASA Scientist
“The Sun keeps surprising us,” said Kitiashvili. “We are looking forward to seeing what kind of exciting events will be organized by the Sun.”
These simulations were run on the Pleaides supercomputer at the NASA Advanced Supercomputing facility at NASA Ames over several weeks of runtime, generating terabytes of data.
NASA is showcasing 29 of the agency’s computational achievements at SC24, the international supercomputing conference, Nov. 17-22, 2023, in Atlanta, Georgia. For more technical information, visit:
https://www.nas.nasa.gov/sc24
For news media: Members of the news media interested in covering this topic should reach out to the NASA Ames newsroom.
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Last Updated Nov 21, 2024 Related Terms
General Ames Research Center Heliophysics Solar Dynamics Observatory (SDO) Sunspots The Sun Explore More
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By NASA
A mentor of research scientist Meloë Kacenelenbogen once shared a sentiment from French author André Gide: “You cannot discover new oceans unless you have the courage to lose sight of the shore.” Kacenelenbogen pushes beyond her comfort zone to explore the unknown.
Name: Meloë S. Kacenelenbogen
Formal Job Classification: Research scientist
Organization: Climate and Radiation Laboratory, Science Directorate (Code 613)
Dr. Meloë S. Kacenelenbogen is a research scientist at NASA’s Goddard Space Flight Center in Greenbelt, Md. She studies the impact of aerosols on air quality and the Earth’s climate.Photo courtesy of Meloë Kacenelenbogen What do you do and what is most interesting about your role here at Goddard?
I study the impact of aerosols — suspended particles from, for example, wildfire smoke, desert dust, urban pollution, and volcanic eruptions — on air quality and the Earth’s climate. I use space, air, and ground-based observations, as well as models.
Why did you become a scientist? What is your educational background?
I never made a deliberate choice to become a scientist. I started with very little confidence as a child and then built up my confidence by achieving things I thought I could not do. I chose the hardest fields to work on along the way. Science looked hard and so did fluid mechanics, remote sensing, and atmospheric physics. I have failed many times, but I always learn something and move on. I do get scared and maybe even paralyzed for a day or two, but I never let fear or failure immobilize me for long.
I was born in Maryland, but my family moved to France when I was young, so I am fluent in French. I have a bachelor’s and master’s degree in mechanical engineering, and physical methods in remote sensing from the Université Pierre et Marie Curie (Paris VI, Jussieu). In 2008, I got a Ph.D. in atmospheric physics for applying satellite remote sensing to air quality at the Université des Sciences et Technologies de Lille (USTL), France.
What are some of your career highlights?
After my Ph.D., I worked for the Atmospheric Lidar Group at the University of Maryland, Baltimore County (UMBC), on spaceborne and ground-based lidars. In 2009, I got a NASA Post-doctoral Program (NPP) fellowship at the agency’s Ames Research Center in California’s Silicon Valley, where I worked for 13 years on space-based, aircraft-based, and ground-based atmospheric aerosol vertical distribution and aerosol typing.
In 2022, I came to work at the Climate and Radiation Lab at Goddard.
What is most interesting about aerosols?
Aerosols are very topical because they have a huge impact on the air we breathe and our Earth’s climate. The smaller the aerosol, the deeper it can get into our lungs. Among other sources, aerosols can come from cars, factories, or wildfires. We all know that wildfires are becoming bigger and more frequent. They are expected to happen even more frequently in the future due to climate change. Both when I was living in California and here in Maryland, I have experienced first-hand choking from the wildfire smoke. I will always remember how apocalyptic it felt back in the summer of 2020 in California when wildfire smoke was paired with COVID confinement, and the sky turned Mars-like orange.
Please tell us about your involvement with the Atmosphere Observing System (AOS)?
I am incredibly lucky to be able to contribute to the next generation of NASA’s satellites. I am working on AOS, which will observe aerosols, clouds, convention, and precipitation in the Earth’s atmosphere. I am part of the team that is helping design several instruments and algorithms.
My role is to connect this spaceborne observing system to all our other space, ground, and air-based measurements at the time of launch. We are making a mesh of observations to address the science questions, run the algorithms, and validate the spaceborne measurements. I am constantly pushed to expand my horizon and my own knowledge.
Why do you enjoy always challenging yourself intellectually?
I started that way. I had no confidence, so I felt that the only way I could build my confidence was to try doing things that scared me. I may sometimes be a little scared, but I am never bored.
What did you learn from your mentors?
A few years ago, a mentor shared a quote from André Gide with me that encapsulates what we are talking about: “You cannot discover new oceans unless you have the courage to lose sight of the shore.” In other words, it is OK, maybe preferable, to be out of my comfort zone to explore the unknown as scary as it may be.
Along the way, it has been extremely important for me to deliberately choose mentors. To me, a good mentor has earned the respect of all who have worked with them, is uplifting, reassuring, and gives me the invaluable guidance and support that I need. I deliberately try to surround myself with the right people. I have been very, very fortunate to find incredible people to encourage me.
As a mentor, what do you advise?
I tell them to deliberately choose their mentors. I also tell them that it is OK to be uncomfortable. Being uncomfortable is the nature of our field. To do great things, we often need to be uncomfortable.
Why do you enjoy working on a team?
I love working on teams, I love to feed off the positive energy of a team whether I lead it or am part of it. In my field, teamwork with a positive energy is incredibly satisfying. Everybody feeds off everybody’s energy, we go further, are stronger, and achieve more. This may not happen often, but when it does it makes it all worth it.
What are the happiest moments in your career?
I am always happiest when the team publishes a paper and all our efforts, are encapsulated in that one well-wrapped and satisfying peer-reviewed paper that is then accessible to everyone online. Every paper we publish feels, to me, the same as a Ph.D. in terms of the work, pain, energy, and then, finally, satisfaction involved.
What do you hope to achieve in your career?
I want to have been a major contributor to the mission by the time the AOS satellites launch.
What do you do for fun?
I do mixed martial arts. I love the ocean, diving, and sailing. I also love going to art galleries, especially to see impressionist paintings to reconnect with my Parisian past.
Meloë Kacenelenbogen once shared a sentiment from French author André Gide: “You cannot discover new oceans unless you have the courage to lose sight of the shore.”Photo courtesy of Meloë Kacenelenbogen Who is your favorite author?
I love Zweig, Kafka, Dostoyevsky, Saint-Exupéry, and Kessel. The latter two wrote a lot about aviators in the early 1900s back in the days when it was new and very dangerous. Those pilots, like Mermoz, were my heroes growing up.
Who would you like to thank?
I would like to thank my family for being my rock.
What are your guiding principles?
To paraphrase Dostoevsky, everyone is responsible to all men for all men and for everything. I have a strong sense of purpose, pride, justice, and honor. This is how I try to live my life for better or for worse.
By Elizabeth M. Jarrell
NASA’s Goddard Space Flight Center, Greenbelt, Md.
Conversations With Goddard is a collection of Q&A profiles highlighting the breadth and depth of NASA’s Goddard Space Flight Center’s talented and diverse workforce. The Conversations have been published twice a month on average since May 2011. Read past editions on Goddard’s “Our People” webpage.
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Last Updated Oct 22, 2024 EditorMadison OlsonContactRob Garnerrob.garner@nasa.govLocationGoddard Space Flight Center Related Terms
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By NASA
4 Min Read Lunar Autonomy Mobility Pathfinder Workshop: A NASA Chief Technologist Sponsored Workshop
OVERVIEW
The NASA chief technologist’s team, within the Office of Technology, Policy, and Strategy (OTPS), is hosting a Lunar Autonomy Mobility Pathfinder (LAMP) workshop on Tuesday, November 12, 2024, to provide a community forum to discuss modeling and simulation testbeds in this domain. The workshop is in coordination with NASA’s Space Technology Mission Directorate.
With the Artemis campaign, NASA will land the first woman and first person of color on the Moon, using innovative technologies to explore more of the lunar surface than ever before. Technologies like trusted autonomy are necessary to support these types of sustained operations. Trusted autonomy is a more robust level of autonomy designed for long-term operational use.
The LAMP workshop will be held on Tuesday, November 12, 2024, from 10 a.m. to 5 p.m. PST at the University of Nevada Las Vegas (UNLV) Black Fire Innovation Facility in Las Vegas, Nevada. The Black Fire Innovation Center Building is located at 8400 W. Sunset Blvd. Las Vegas, NV 89113, approximately 20 minutes from the UNLV main campus.
This workshop has been designed to coincide with the 2024 Lunar Surface Innovation Consortium fall meeting (also taking place in Las Vegas, Nevada).
The OTPS solver-in-residence is the main organizer and facilitator for this workshop.
PROGRAM
The LAMP workshop will provide a forum for a discussion on topics that include:
A modeling and simulation (M&S) pathfinder to explore an integrated sim environment for lunar stakeholders from commercial industry, other U.S. government agencies, international partners and academia, to simulate their systems that would eventually operate in the lunar environment and to test interoperability between systems. How to leverage the planned rover missions to 1) calibrate and improve this M&S environment over time, and 2) potentially use them as autonomy testbeds to safely mature algorithms in a relevant environment. Please RSVP for in-person or virtual attendance by registering at the following site:
https://nasaevents.webex.com/weblink/register/rdf4dd38bc3bf176dc32d147513f7b77c
*Please note registration is on an individual basis. If attending with multiple guests, each guest must register for the event separately.
LAMP Workshop Agenda
(All times listed are in PST and subject to change)
10:00 a.m. – 12:00p.m.Modeling and Simulation (M&S) showcase (In-person only & optional)
This is an opportunity for interested participants to show their lunar simulation capabilities inside of UNLV’s Blackfire Innovation esports arena. Space is limited. Please indicate if you are interested in participating when you register, and we will reach out with additional information. 1:00 –2:00p.m.Challenges to Developing Trusted Autonomy
NASA will discuss the challenges of maturing autonomy that can be trusted to operate over long periods of time and how we can work together to overcome those challenges.2:00 –3:00p.m.Pre-Formulation Discussion of a Lunar Autonomy Mobility Pathfinder Modeling and Simulation Environment
Subject matter experts (SMEs) from NASA will layout thoughts on what a digital transformation pathfinder would look like that benefits lunar autonomy efforts across the globe. 3:00 – 3:15p.m.Break3:15 – 4:15p.m.Lunar Testbeds Discussion
This will be a discussion focused on how assets on the moon could be used as testbeds to generate truth data for Earth-based simulations and to validate that autonomy can be trusted in the lunar environment.4:15 – 5:00p.m.Polling and Discussions
Audience feedback will be solicited on various topics. This will include a pre-formulated series of questions and real time polls. CONTACT
For questions, please email:
Dr. Adam Yingling
2024 OTPS Solver-in-Residence
Office of Technology, Policy, and Strategy (OTPS)
NASA Headquarters
Email: adam.j.yingling@nasa.gov
The Solver-in-Residence (SiR) program is a one-year detail position with the chief technologist in NASA’s Office of Technology Policy and Strategy. The program enables a NASA civil servant to propose a one-year investigation on a specific technology challenge and then work to identify solutions to address those challenges.
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Last Updated Oct 10, 2024 EditorBill Keeter Related Terms
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By NASA
Learn Home Culturally Inclusive Planetary… Biological & Physical… Overview Learning Resources Science Activation Teams SME Map Opportunities More Science Activation Stories Citizen Science 2 min read
Culturally Inclusive Planetary Engagement in Colorado
In August 2024, the NASA Science Activation program’s Planetary Resources and Content Heroes (ReaCH) project held a Culturally Inclusive Planetary Engagement workshop at the Laboratory for Atmospheric and Space Physics in Boulder, Colorado for the planetary science community. These workshops are designed to enhance the ability of scientists to engage Black and Latinx youth and their families in planetary science. Workshops include discussions with local educators about evidence-based engagement strategies and experiences conducting hands-on planetary science activities, along with an opportunity to practice these approaches during an event with local partners.
Planetary scientists and engineers from Boulder, as well as scientists from Florida, Maryland, and Alaska participated. ReaCH partnered with the Boys & Girls Clubs of Metro Denver, whose staff participated in the workshop to share their perspectives. Other educators local to the Denver area also participated, along with an educational specialist from NASA@ My Library (another Science Activation program). The workshop culminated in an event at the Shopneck Boys & Girls Club in Brighton, CO; workshop participants facilitated a variety of hands-on planetary activities for approximately 120 children. Workshop participants also shared information about college pathways into science professions with teenagers at the Club.
During feedback with evaluators, workshop participants shared, “I got to have hands-on experience working with an underserved population, which I haven’t done before in a workshop. I think this is the necessary next step for me. I am tired of just learning about things. I want to DO things. This gave me the ability to do it without setting up everything myself.”
Through careful revisions to these workshops and detailed evaluation, the Planetary ReaCH project is building a replicable model that will be used to support similar workshops for other science fields. Members of the planetary and astrobiology community are invited to apply to attend future ReaCH workshops.
Planetary ReaCH is supported by NASA under cooperative agreement award number 80NSSC21M0003 and is part of NASA’s Science Activation Portfolio. Learn more about how Science Activation connects NASA science experts, real content, and experiences with community leaders to do science in ways that activate minds and promote deeper understanding of our world and beyond: https://science.nasa.gov/learn
Workshop participants experimented with activities such as this model of impact cratering. Share
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Last Updated Oct 03, 2024 Editor NASA Science Editorial Team Related Terms
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