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NASA astronaut Nick Hague with the International Space Station’s amateur or ham radio equipment during his current mission (right) and a previous flight five years ago (left)NASA How it started versus how it’s going for astronaut Nick Hague with ISS Ham Radio on the space station.
Since November 2000, crew members like Hague have used ham radio to communicate with people on Earth through this educational program, also known as Amateur Radio on the International Space Station or ARISS. So far, there have been more than 1,700 events, directly engaging students and listeners from 49 U.S. states, 63 countries, and all seven continents. Students study the space station, radio waves, amateur radio technology, and related topics before their call from space, which encourages interest in STEM.
Now through Nov 17, 2024, ARISS is accepting applications from formal and informal educational institutions and organizations that want to host events in summer or fall of 2025. There is no charge for these calls from space, although host locations may incur some equipment-related costs. Local amateur radio clubs help hosts prepare for their contacts.
Read about how ISS Ham Radio and other station programs inspire students.
Melissa Gaskill
International Space Station Research Communications Team
Johnson Space Center
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By NASA
5 min read
NASA to Launch Innovative Solar Coronagraph to Space Station
NASA’s Coronal Diagnostic Experiment (CODEX) is ready to launch to the International Space Station to reveal new details about the solar wind including its origin and its evolution.
Launching in November 2024 aboard SpaceX’s 31st commercial resupply services mission, CODEX will be robotically installed on the exterior of the space station. As a solar coronagraph, CODEX will block out the bright light from the Sun’s surface to better see details in the Sun’s outer atmosphere, or corona.
In this animation, the CODEX instrument can be seen mounted on the exterior of the International Space Station. For more CODEX imagery, visit https://svs.gsfc.nasa.gov/14647. CODEX Team/NASA “The CODEX instrument is a new generation solar coronagraph,” said Jeffrey Newmark, principal investigator for the instrument and scientist at NASA’s Goddard Space Flight Center in Greenbelt, Maryland. “It has a dual use — it’s both a technology demonstration and will conduct science.”
This coronagraph is different from prior coronagraphs that NASA has used because it has special filters that can provide details of the temperature and speed of the solar wind. Typically, a solar coronagraph captures images of the density of the plasma flowing away from the Sun. By combining the temperature and speed of the solar wind with the traditional density measurement, CODEX can give scientists a fuller picture of the wind itself.
“This isn’t just a snapshot,” said Nicholeen Viall, co-investigator of CODEX and heliophysicist at NASA Goddard. “You’re going to get to see the evolution of structures in the solar wind, from when they form from the Sun’s corona until they flow outwards and become the solar wind.”
The CODEX instrument will give scientists more information to understand what heats the solar wind to around 1.8 million degrees Fahrenheit — around 175 times hotter than the Sun’s surface — and sends it streaming out from the Sun at almost a million miles per hour.
Team members for CODEX pose with the instrument in a clean facility during initial integration of the coronagraph with the pointing system. CODEX Team/NASA This launch is just the latest step in a long history for the instrument. In the early 2000s and in August 2017, NASA scientists ran ground-based experiments similar to CODEX during total solar eclipses. A coronagraph mimics what happens during a total solar eclipse, so this naturally occurring phenomena provided a good opportunity to test instruments that measure the temperature and speed of the solar wind.
In 2019, NASA scientists launched the Balloon-borne Investigation of Temperature and Speed of Electrons in the corona (BITSE) experiment. A balloon the size of a football field carried the CODEX prototype 22 miles above Earth’s surface, where the atmosphere is much thinner and the sky is dimmer than it is from the ground, enabling better observations. However, this region of Earth’s atmosphere is still brighter than outer space itself.
“We saw enough from BITSE to see that the technique worked, but not enough to achieve the long-term science objectives,” said Newmark.
Now, by installing CODEX on the space station, scientists will be able to view the Sun’s corona without fighting the brightness of Earth’s atmosphere. This is also a beneficial time for the instrument to launch because the Sun has reached its solar maximum phase, a period of high activity during its 11-year cycle.
“The types of solar wind that we get during solar maximum are different than some of the types of wind we get during solar minimum,” said Viall. “There are different coronal structures during this time that lead to different types of solar wind.”
The CODEX coronagraph is shown during optical alignment and assembly. CODEX Team//NASA This coronagraph will be looking at two types of solar wind. In one, the solar wind travels directly outward from our star, pulling the magnetic field from the Sun into the heliosphere, the bubble that surrounds our solar system. The other type of solar wind forms from magnetic field lines that are initially closed, like a loop, but then open up.
These closed field lines contain hot, dense plasma. When the loops open, this hot plasma gets propelled into the solar wind. While these “blobs” of plasma are present throughout all of the solar cycle, scientists expect their location to change because of the magnetic complexity of the corona during solar maximum. The CODEX instrument is designed to see how hot these blobs are for the first time.
The coronagraph will also build upon research from ongoing space missions, such as the joint ESA (European Space Agency) and NASA mission Solar Orbiter, which also carries a coronagraph, and NASA’s Parker Solar Probe. For example, CODEX will look at the solar wind much closer to the solar surface, while Parker Solar Probe samples it a little farther out. Launching in 2025, NASA’s Polarimeter to Unify the Corona and Heliosphere (PUNCH) mission will make 3D observations of the Sun’s corona to learn how the mass and energy there become solar wind.
By comparing these findings, scientists can better understand how the solar wind is formed and how the solar wind changes as it travels farther from the Sun. This research advances our understanding of space weather, the conditions in space that may interact with Earth and spacecraft.
“Just like understanding hurricanes, you want to understand the atmosphere the storm is flowing through,” said Newmark. “CODEX’s observations will contribute to our understanding of the region that space weather travels through, helping improve predictions.”
The CODEX instrument is a collaboration between NASA’s Goddard Space Flight Center and the Korea Astronomy and Space Science Institute with additional contribution from Italy’s National Institute for Astrophysics.
By Abbey Interrante
NASA’s Goddard Space Flight Center, Greenbelt, Md.
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Last Updated Oct 30, 2024 Related Terms
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Preparations for Next Moonwalk Simulations Underway (and Underwater)
About 20,000 guests visited NASA’s tent at the Miramar Air Show in San Diego, California, Sept. 27-29, 2024. NASA Lee esta historia en Español aquí.
In September, the three NASA centers in California came together to share aerospace innovations with thousands of guests at the Miramar Air Show in San Diego, California. Agency experts talked about the exciting work NASA does while exploring the secrets of the universe for the benefit of all.
Under a large tent near the airfield, guests perused exhibits from different centers and projects, like a model of the Innovator rover or the Alta-X drone, from Sept. 27 through 29. Agency employees from NASA’s Armstrong Flight Research Center in Edwards, California; Ames Research Center in Moffett Field, California; and Jet Propulsion Laboratory (JPL) in Southern California guided guests through tours and presentations and shared messages about NASA missions.
“The airshow is about the people just as much as it is about the aircraft and technology,” said Derek Abramson, chief engineer for the Subscale Flight Research Laboratory at NASA Armstrong. “I met many new people, worked with an amazing team, and developed a comradery with other NASA centers, talking about what we do here as a cohesive organization.”
Experts like flight controls engineer Felipe Valdez shared the NASA mission with air show guests, and explained the novelty of airborne instruments like the Alta-X drone at the Miramar Air Show in San Diego, California, Sept. 27-29, 2024.NASA On Sept. 29, pilots from Armstrong joined the event to take photos with guests and answer questions from curious or enthusiastic patrons. One air show guest had a special moment with NASA pilot Jim Less.
“One of my favorite moments was connecting with a young man in his late teens who stopped by the exhibit tent numerous times, all in hopes of being able to meet Jim Less, our X-59 pilot,” said Kevin Rohrer, chief of Communications at NASA Armstrong. “It culminated with a great conversation with the two and Jim [Less] autographing a model of the X-59 aircraft the young man had been carrying around.”
“I look forward to this tradition continuing, if not at this venue, at some other event in California,” Rohrer continued. “We have a lot of minds hungry and passionate to learn more about all of NASA missions.”
The Miramar Air Show is an annual event that happens at the Miramar Air Base in San Diego, California.
Professionals like Leticha Hawkinson, center right, and Haig Arakelian, center left, shared learning and career opportunities for NASA enthusiasts visiting the Miramar Air Show in San Diego, California, Sept. 27-29, 2024.NASA Share
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Last Updated Oct 30, 2024 EditorDede DiniusContactErica HeimLocationArmstrong Flight Research Center Related Terms
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Preparations for Next Moonwalk Simulations Underway (and Underwater)
Kathy Clark (left) and Ryan D. Brown have both served as chairs of NASA Glenn Research Center’s Disability Awareness Advisory Group, which works to help provide individuals with disabilities equal opportunities in all aspects of employment.Credit: NASA/Jef Janis Kathy Clark started her career at NASA’s Glenn Research Center in Cleveland straight out of high school, and when offered either a job as an accountant or a job in training, the choice was crystal clear.
“I started in training, I’ve stayed in training, and I’ll probably retire in training,” said Clark, now a human resources specialist and program manager of NASA Glenn’s mentoring program, Shaping Professionals and Relating Knowledge (SPARK). “I just love people.”
Celebrating 41 years at NASA this October, Clark has long been an advocate for employees. For over 12 years, she served as chair of the center’s Disability Awareness Advisory Group (DAAG), which works to help provide individuals with disabilities equal opportunities in all aspects of employment. The group also strives to identify and eliminate workplace barriers, raise awareness, and ensure accessible facilities.
After recently stepping down, Clark reflects on her legacy of creating change with the group and looks to the next generation of leadership, including longtime member and new chair Ryan D. Brown, to continue its important mission.
“Don’t Let a Disability Stop You”
Clark joined DAAG around 12 years into her career, after she was diagnosed with multiple sclerosis. She was later asked to serve as chair after she helped bring a traveling mural to the center that showcased Ohio artists with disabilities.
During Clark’s time as chair, the group helped secure reserved parking spaces for employees with disabilities, instead of just relying on a first-come first-serve system for accessible spots. She recalls DAAG championing other facility issues, such as fixing a broken elevator and faulty door that presented challenges for folks with disabilities. The group has also worked with human resources to compile best practices for interviews, hosted various speakers, and offered a space for members to share about their disabilities.
“I was honored to be the chair and just be there for the people and to try to make a difference, to let them know, if you need something, reach out,” Clark said. “Don’t let a disability stop you.”
“I was honored to be the chair and just be there for the people and to try to make a difference, to let them know, if you need something, reach out."
Kathy clark
“Let’s Go Above and Beyond”
When it was time to choose Clark’s successor, she said, another supportive and vocal member stood out: Brown.
Thanks to an Ohio program for individuals with disabilities, Brown was placed at NASA as an intern in 2006, later completing a co-op that led to a full-time accounting position at the center, where he now works as a lead in the financial systems branch.
More than one in four adults in the United States have some type of disability, according to the U.S. Centers for Disease Control and Prevention, and some are not always easy to see, Brown says. For instance, Brown has an invisible disability: a learning disability related to reading and writing. After connecting with a coworker early in his career who was a member of DAAG, Brown reached out to Clark to join.
“Everyone has their challenges, regardless of if you have a disability or not, so making people comfortable talking about it and bringing it up is always good,” he said. “I think I’ve always liked speaking up for individuals and trying to spread that awareness, which has been great with DAAG.”
Now the chair, Brown has supported the group in developing a job aid to help employees understand how to self-identify as having a disability. They’ve also recently organized awareness events to help other employees understand the experiences and challenges of individuals with disabilities.
DAAG also continues to champion facility updates. For example, the group is currently working to get automatic door openers installed for bathrooms in buildings at the center where many employees gather.
“Let’s try to go above and beyond and really make it easier on individuals,” Brown said.
“Let’s try to go above and beyond and really make it easier on individuals."
ryan D. brown
“Make a Difference”
Membership in the group is growing, and Clark looks forward to its future.
“I could not have turned over the chair role to a better person than Ryan,” she said.
Brown’s vision is to continue spreading the word that the group is available as a resource for employees, and for others throughout the center to be more aware of the experiences of individuals with disabilities. The work he does to help others inspires him every day, he says.
“We’re here for individuals that don’t want to speak up, we’re here for individuals if they run into issues – they can always contact us,” Brown said. “It’s all about getting up there and trying to make a difference.”
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Watch How Students Help NASA Grow Plants in Space: Growing Beyond Earth
Since 2015, students from across the USA have been partnering with scientists at NASA to advance research on growing plants in space, ultimately to feed astronauts on long-distance space missions, as part of Fairchild Tropical Botanic Garden’s Growing Beyond Earth project, which is now in its 9th year. This classroom-based citizen science project for 6th-12th grade students includes a series of plant experiments conducted by students in a Fairchild-designed plant habitat similar to the Vegetable Production System (VEGGIE) on the International Space Station.
This year, 8000+ students from 400+ schools are testing new edible plant varieties, studying radiation effects on growth, exploring the perfect light spectrum for super-sized space radishes, and experimenting with cosmic soil alternatives.
Watch these South Florida students show us how it’s done.
NASA citizen science projects are open to everyone around the world, not limited to U.S. citizens or residents. They are collaborations between scientists and interested members of the public. Through these collaborations, volunteers (known as citizen scientists) have helped make thousands of important scientific discoveries. More than 450 NASA citizen scientists have been named as co-authors on refereed scientific publications. Explore opportunities for you to get involved and do NASA science: https://science.nasa.gov/citizen-science/
The Growing Beyond Earth project is supported by NASA under cooperative agreement award number 80NSSC22MO125 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
Niki Jose Share
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Last Updated Oct 28, 2024 Editor NASA Science Editorial Team Related Terms
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