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By NASA
The Roscosmos Soyuz MS-25 spacecraft is pictured docked to the International Space Station’s Prichal module in this long-duration photograph as it orbited 258 miles above Nigeria.Credit: NASA NASA astronaut Tracy C. Dyson, accompanied by Roscosmos cosmonauts Nikolai Chub and Oleg Kononenko, will depart from the International Space Station aboard the Soyuz MS-25 spacecraft, and return to Earth.
Dyson, Chub, and Kononenko will undock from the orbiting laboratory’s Prichal module at 4:37 a.m. EDT Monday, Sept. 23, heading for a parachute-assisted landing at 8 a.m. (5 p.m. Kazakhstan time) on the steppe of Kazakhstan, southeast of the town of Dzhezkazgan.
NASA’s live coverage of return and related activities will stream on NASA+ and the agency’s website. Learn how to stream NASA content through a variety of platforms, including social media.
A change of command ceremony also will stream on NASA platforms at 10:15 a.m. Sunday, Sept. 22. Kononenko will hand over station command to NASA astronaut Suni Williams for Expedition 72, which begins at the time of undocking.
Spanning 184 days in space, Dyson’s mission includes covering 2,944 orbits of the Earth and a journey of 78 million miles. The Soyuz MS-25 spacecraft launched March 23, and arrived at the station March 25, with Dyson, Roscosmos cosmonaut Oleg Novitskiy, and spaceflight participant Marina Vasilevskaya of Belarus. Novitskiy and Vasilevskaya were aboard the station for 12 days before returning home with NASA astronaut Loral O’Hara on April 6.
Kononenko and Chub, who launched with O’Hara to the station on the Soyuz MS-24 spacecraft last September, will return after 374 days in space and a trip of 158.6 million miles, spanning 5,984 orbits.
Dyson spent her fourth spaceflight aboard the station as an Expedition 70 and 71 flight engineer, and departs with Kononenko, completing his fifth flight into space and accruing an all-time record 1,111 days in orbit, and Chub, who completed his first spaceflight.
After returning to Earth, the three crew members will fly on a helicopter from the landing site to the recovery staging city of Karaganda, Kazakhstan. Dyson will board a NASA plane and return to Houston, while Kononenko and Chub will depart for a training base in Star City, Russia.
NASA’s coverage is as follows (all times Eastern and subject to change based on real-time operations):
Sunday, Sept. 22
10:15 a.m. – Expedition 71/72 change of command ceremony begins on NASA+ and the agency’s website.
Monday, Sept. 23
12:45 a.m. – Hatch closing coverage begins on NASA+ and the agency’s website.
1:05 a.m. – Hatch closing
4 a.m. – Undocking coverage begins on NASA+ and the agency’s website.
4:37 a.m. – Undocking
6:45 a.m. – Coverage begins for deorbit burn, entry, and landing on NASA+ and the agency’s website.
7:05 a.m. – Deorbit burn
8 a.m. – Landing
For more than two decades, people have lived and worked continuously aboard the International Space Station, advancing scientific knowledge, and making research breakthroughs that are not possible on Earth. The station is a critical testbed for NASA to understand and overcome the challenges of long-duration spaceflight and to expand commercial opportunities in low Earth orbit. As commercial companies focus on providing human space transportation services and destinations as part of a robust low Earth orbit economy, NASA is focusing more resources on deep space missions to the Moon as part of Artemis in preparation for future human missions to Mars.
Learn more about International Space Station research and operations at:
https://www.nasa.gov/station
-end-
Josh Finch / Claire O’Shea
Headquarters, Washington
202-358-1100
joshua.a.finch@nasa.gov / claire.a.o’shea@nasa.gov
Sandra Jones
Johnson Space Center, Houston
281-483-5111
sandra.p.jones@nasa.gov
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Last Updated Sep 19, 2024 LocationNASA Headquarters Related Terms
International Space Station (ISS) Astronauts Humans in Space ISS Research Johnson Space Center Tracy Caldwell Dyson View the full article
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By NASA
4 Min Read NASA’s Hidden Figures Honored with Congressional Gold Medals
Sen. Shelly Moore Capito (R-WV), delivers remarks during a Congressional Gold Medal ceremony recognizing NASA’s Hidden Figures, Wednesday, Sept. 18, 2024, in Emancipation Hall at the U.S. Capitol in Washington. Credits: NASA/Joel Kowsky A simple turn of phrase was all it took for U.S. Sen. Shelley Moore Capito of Katherine Johnson’s home state of West Virginia to capture the feeling in Emancipation Hall at the U.S. Capitol in Washington.
“It’s been said that Katherine Johnson counted everything,” she said. “But today we’re here to celebrate the one thing even she couldn’t count, and that’s the impact that she and her colleagues have had on the lives of students, teachers, and explorers.”
That sense of admiration and awe toward the legacy and impact of NASA’s Hidden Figures was palpable Wednesday during a Congressional Gold Medal Ceremony to honor the women’s work and achievements during the space race.
The Congressional Gold Medal in recognition of Katherine Johnson in recognition of her service to the United States as a Mathematician is seen during a ceremony recognizing NASA’s Hidden Figures, Wednesday, Sept. 18, 2024, in Emancipation Hall at the U.S. Capitol in Washington. Katherine Johnson’s family accepted this gold medal on her behalf.NASA/Joel Kowsky The ceremony, hosted by House Speaker Mike Johnson, honored Johnson, Dorothy Vaughan, Mary Jackson, and Dr. Christine Darden of NASA’s Langley Research Center in Hampton, Virginia, along with all the other women who served at the agency and its precursor, the National Advisory Committee for Aeronautics, or the NACA, as computers, mathematicians, and engineers.
“The pioneers we honor today, these Hidden Figures — their courage and imagination brought us to the Moon. And their lessons, their legacy, will send us back to the Moon,” said NASA Administrator Bill Nelson.
Margot Lee Shetterly, whose 2016 nonfiction book “Hidden Figures: The American Dream and the Untold Story of the Black Women Who Helped Win the Space Race,” brought awareness to the stories of NASA’s human computers, spoke at the event.NASA/Joel Kowsky Author Margot Lee Shetterly detailed the stories of the women from NASA Langley in her 2016 nonfiction book “Hidden Figures: The American Dream and the Untold Story of the Black Women Who Helped Win the Space Race.” Though the book focused on NASA Langley, where Shetterly’s father worked, it helped raise awareness of similar stories around NASA.
A film adaptation of the book starring Taraji Henson as Johnson, Octavia Spencer as Vaughan, and Janelle Monáe as Jackson came out later that year and further elevated the topic. NASA participated under a Space Act Agreement with 20th Century Fox in activities around the movie, to provide historical guidance and advice during the filmmaking process.
In her remarks, Shetterly noted that even as the Hidden Figures made such key contributions to NASA and the NACA before it, they remained active in their communities, leading Girl Scout troops and delivering meals to the hungry.
“They spent countless hours tutoring kids so that those kids, too, would see the power and the beauty of numbers they believed in, tending to the small D democracy that binds us to each other as neighbors and as American citizens,” she said.
The medal citations were as follows:
Congressional Gold Medal to Katherine Johnson, in recognition of her service to the United States as a mathematician Congressional Gold Medal to Dr. Christine Darden, for her service to the United States as an aeronautical engineer Congressional Gold Medals in commemoration of the lives of Dorothy Vaughan and Mary Jackson, in recognition of their service to the United States during the space race Congressional Gold Medal in recognition of all the women who served as computers, mathematicians, and engineers at the National Advisory Committee Family members of Johnson, Vaughn, Jackson and Dr. Darden accepted medals on their behalves. Dr. Darden watched the ceremony from home.
House Speaker Mike Johnson and Andrea Mosie, senior Apollo sample processor and lab manager who oversees the 842 pounds of Apollo lunar samples. Mosie accepted the medal awarded in recognition of all the women who served as computers, mathematicians, and engineers at the National Advisory Committee for Aeronautics and NASA between the 1930s and the 1970s.NASA/Joel Kowsky Andrea Mosie, senior Apollo sample processor and lab manager who oversees the 842 pounds of Apollo lunar samples, accepted the medal awarded to all NASA’s Hidden Figures. She began her career at NASA’s Johnson Space Center in Houston in the 1970s.
Mosie thanked Congress for supporting NASA’s campaign to send the first woman and first person of color to the Moon as part of Artemis and the agency’s efforts to provide “opportunities for people, more representative of the way our country looks, to understand humanity’s place in the universe.”
Several NASA Langley officials attended the event to honor the legacies of the women who worked there.
“I am humbled by the significant contributions and lasting impact of these women to America’s aeronautics and space programs. Their brilliance and perseverance still echo not just through the halls of NASA Langley, but through the entire Agency,” said NASA Langley’s Acting Center Director Dawn Schaible. “They are an inspiration to me and countless others who have benefited from the paths they forged.”
Rep. Eddie Bernice Johnson of Texas, who passed away in 2023, introduced H.R. 1396 – Hidden Figures Congressional Gold Medal Act on Feb. 27, 2019. It was signed into law later that year.
In 2015, President Barack Obama presented Katherine Johnson with the Presidential Medal of Freedom, the nation’s highest civilian honor.
Brittny McGraw and Joe Atkinson
NASA Langley Research Center
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Last Updated Sep 19, 2024 Related Terms
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4 min read Going Back-to-School with NASA Data
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By NASA
Students participating in NASA’s Minority University Research AND Education Project (MUREP) Innovation and Tech Transfer Idea Competition on-site experience. Credit: Josh Valcarcel NASA is awarding $7.2 million to six minority-serving institutions to grow initiatives in engineering-related disciplines and fields for learners who have historically been underrepresented and underserved in science, technology, engineering, and math (STEM) fields.
“NASA is excited to award funding to six minority-serving institutions, paving the way for greater diversity in engineering and STEM,” said Shahra Lambert, NASA senior advisor for engagement and equity, NASA’s Headquarters in Washington. “NASA is committed to fostering diversity and providing essential academic resources to empower the next generation of innovators.”
NASA’s Minority University Research and Education Project (MUREP), in partnership with the National Science Foundation’s Nation of Communities of Learners of Underrepresented Discoverers in Engineering and Science (INCLUDES) network, provides support to increase diversity in engineering. It offers academic resources to college students, aiming to have a long-term impact on the engineering field.
“With these awards, we are continuing to create pathways that increase access and opportunities in STEM for underrepresented and underserved groups,” said Keya Briscoe, MUREP manager. “NASA continues to invest in initiatives that are critical in driving innovation, fostering inclusion, and providing access to the STEM ecosystem for everyone.”
The awardees and their project titles are as follows:
Alabama A&M University Pathways to NASA: Empowering Underrepresented STEM Talent through Strategic Partnerships and Innovative Learning
Morgan State University – Baltimore Developing NASA Pathways to Broadening Participation in Space Exploration Technology
North Carolina Agricultural and Technical State University Strengthening Opportunities in Aerospace Research and Education
University of Central Florida Hy-POWERED: Hydrogen-POWered Engineering Research and Education for Diversity
University of Colorado, Denver Seed, Support, and Cultivate: Innovative Strategies for Underrepresented Minorities in STEM Education
University of Houston Partnership for Inclusivity in Engineering Education and Research for Space
NASA administers the grants through its Office of STEM Engagement. These investments enhance the research, academic and technology capabilities of minority-serving institutions through multiyear cooperative agreements, while advancing NASA’s vision for a diverse and inclusive workforce.
To learn more about NASA STEM Engagement Funding Opportunities, visit:
https://go.nasa.gov/3AZedZ8
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Abbey Donaldson
Headquarters, Washington
202-269-1600
Abbey.a.donaldson@nasa.gov
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By NASA
X-ray: NASA/CXC/Xiamen Univ./C. Ge; Optical: DESI collaboration; Image Processing: NASA/CXC/SAO/N. Wolk Astronomers using NASA’s Chandra X-ray Observatory have found a galaxy cluster has two streams of superheated gas crossing one another. This result shows that crossing the streams may lead to the creation of new structure.
Researchers have discovered an enormous, comet-like tail of hot gas — spanning over 1.6 million light-years long — trailing behind a galaxy within the galaxy cluster called Zwicky 8338 (Z8338 for short). This tail, spawned as the galaxy had some of its gas stripped off by the hot gas it is hurtling through, has split into two streams.
This is the second pair of tails trailing behind a galaxy in this system. Previously, astronomers discovered a shorter pair of tails from a different galaxy near this latest one. This newer and longer set of tails was only seen because of a deeper observation with Chandra that revealed the fainter X-rays.
Researchers have discovered a second pair of tails trailing behind a galaxy in this cluster. Previously, astronomers discovered a shorter pair of tails from a different galaxy close to this latest one. This newer and longer set of tails was only seen because of a deeper observation with Chandra that revealed the fainter X-rays that have been shown in the optical data. These tails span for over a million light-years and help determine the evolution of the galaxy cluster.X-ray: NASA/CXC/Xiamen Univ./C. Ge; Optical: DESI collaboration; Image Processing: NASA/CXC/SAO/N. Wolk Astronomers now have evidence that these streams trailing behind the speeding galaxies have crossed one another. Z8338 is a chaotic landscape of galaxies, superheated gas, and shock waves (akin to sonic booms created by supersonic jets) in one relatively small region of space. These galaxies are in motion because they were part of two galaxy clusters that collided with each other to create Z8338.
This new composite image shows this spectacle. X-rays from Chandra (represented in purple) outline the multimillion-degree gas that outweighs all of the galaxies in the cluster. The Chandra data also shows where this gas has been jettisoned behind the moving galaxies. Meanwhile an optical image from the Dark Energy Survey from the Cerro Tololo Inter-American Observatory in Chile shows the individual galaxies peppered throughout the same field of view.
The original gas tail discovered in Z8338 is about 800,000 light-years long and is seen as vertical in this image (see the labeled version). The researchers think the gas in this tail is being stripped away from a large galaxy as it travels through the galaxy cluster. The head of the tail is a cloud of relatively cool gas about 100,000 light-years away from the galaxy it was stripped from. This tail is also separated into two parts.
The team proposes that the detachment of the tail from the large galaxy may have been caused by the passage of the other, longer tail. Under this scenario, the tail detached from the galaxy because of the crossing of the streams.
The results give useful information about the detachment and destruction of clouds of cooler gas like those seen in the head of the detached tail. This work shows that the cloud can survive for at least 30 million years after it is detached. During that time, a new generation of stars and planets may form within it.
The Z8338 galaxy cluster and its jumble of galactic streams are located about 670 million light-years from Earth. A paper describing these results appeared in the Aug. 8, 2023, issue of the Monthly Notices of the Royal Astronomical Society and is available online at: https://academic.oup.com/mnras/article/525/1/1365/7239302.
NASA’s Marshall Space Flight Center manages the Chandra program. The Smithsonian Astrophysical Observatory’s Chandra X-ray Center controls science operations from Cambridge, Massachusetts, and flight operations from Burlington, Massachusetts.
Read more from NASA’s Chandra X-ray Observatory.
Learn more about the Chandra X-ray Observatory and its mission here:
https://www.nasa.gov/chandra
https://chandra.si.edu
Visual Description:
This release features a composite image of two pairs of hot gas tails found inside a single galaxy cluster. The image is presented both labeled and unlabeled, with color-coded ovals encircling the hot gas tails.
In both the labeled and unlabeled versions of the image, mottled purple gas speckles a region of space dotted with distant flecks of red and white. Also present in this region of space are several glowing golden dots. These dots are individual galaxies that together form the cluster Zwicky 8338.
To our right of center is a glowing golden galaxy with a mottled V shaped cloud of purple above it. Yellow labels identify the two arms of the V as tails trailing behind the hurtling galaxy below.
To our left of center is another golden galaxy, this one surrounded by purple gas. Behind it, opening toward our right in the shape of a widening V lying on its side, are two more mottled purple clouds. Labeled in white, these newly-discovered gas tails are even larger than the previously discovered tails labeled in yellow. These tails, which overlap with the galaxy on our right, are over 1.6 million light-years long.
News Media Contact
Megan Watzke
Chandra X-ray Center
Cambridge, Mass.
617-496-7998
Lane Figueroa
Marshall Space Flight Center, Huntsville, Alabama
256-544-0034
lane.e.figueroa@nasa.gov
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By NASA
3 min read
NASA Develops Process to Create Very Accurate Eclipse Maps
New NASA research reveals a process to generate extremely accurate eclipse maps, which plot the predicted path of the Moon’s shadow as it crosses the face of Earth. Traditionally, eclipse calculations assume that all observers are at sea level on Earth and that the Moon is a smooth sphere that is perfectly symmetrical around its center of mass. As such, these calculations do not take into account different elevations on Earth or the Moon’s cratered, uneven surface.
For slightly more accurate maps, people can employ elevation tables and plots of the lunar limb — the edge of the visible surface of the Moon as seen from Earth. However, now eclipse calculations have gained even greater accuracy by incorporating lunar topography data from NASA’s LRO (Lunar Reconnaissance Orbiter) observations.
Using LRO elevation maps, NASA visualizer Ernie Wright at NASA’s Goddard Space Flight Center in Greenbelt, Maryland, created a continuously varying lunar limb profile as the Moon’s shadow passes over the Earth. The mountains and valleys along the edge of the Moon’s disk affect the timing and duration of totality by several seconds. Wright also used several NASA data sets to provide an elevation map of Earth so that eclipse observer locations were depicted at their true altitude.
The resulting visualizations show something never seen before: the true, time-varying shape of the Moon’s shadow, with the effects of both an accurate lunar limb and the Earth’s terrain.
“Beginning with the 2017 total solar eclipse, we’ve been publishing maps and movies of eclipses that show the true shape of the Moon’s central shadow — the umbra,” said Wright.
A map showing the umbra (the Moon’s central shadow) as it passes over Cleveland at 3:15 p.m. local time during the April 8, 2024, total solar eclipse. NASA SVS/Ernie Wright and Michaela Garrison “And people ask, why does it look like a potato instead of a smooth oval? The short answer is that the Moon isn’t a perfectly smooth sphere.”
The mountains and valleys around the edge of the Moon change the shape of the shadow. The valleys are also responsible for Baily’s beads and the diamond ring, the last bits of the Sun visible just before and the first just after totality.
A computer simulation of Baily’s beads during a total solar eclipse. Data from Lunar Reconnaissance Orbiter makes it possible to map the lunar valleys that create the bead effect. NASA SVS/Ernie Wright Wright is lead author of a paper published September 19 in The Astronomical Journal that reveals for the first time exactly how the Moon’s terrain creates the umbra shape. The valleys on the edge of the Moon act like pinholes projecting images of the Sun onto the Earth’s surface.
A visualization of Sun images being projected from lunar valleys that are acting like pinhole projectors. Light rays from the Sun converge on each valley, then spread out again on their way to the Earth. NASA SVS/Ernie Wright The umbra is the small hole in the middle of these projected Sun images, the place where none of the Sun images reach.
Viewed from behind the Moon, the Sun images projected by lunar valleys on the Moon’s edge fall on the Earth’s surface in a flower-like pattern with a hole in the middle, forming the umbra shape. NASA SVS/Ernie Wright The edges of the umbra are made up of small arcs from the edges of the projected Sun images.
This is just one of several surprising results that have emerged from the new eclipse mapping method described in the paper. Unlike the traditional method invented 200 years ago, the new way renders eclipse maps one pixel at a time, the same way 3D animation software creates images. It’s also similar to the way other complex phenomena, like weather, are modeled in the computer by breaking the problem into millions of tiny pieces, something computers are really good at, and something that was inconceivable 200 years ago.
For more about eclipses, refer to:
https://science.nasa.gov/eclipses
By Ernie Wright and Susannah Darling
NASA’s Goddard Space Flight Center, Greenbelt, Md.
Media Contact:
Nancy Neal-Jones
NASA’s Goddard Space Flight Center, Greenbelt, Md.
301-286-0039
nancy.n.jones@nasa.gov
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Last Updated Sep 19, 2024 Editor wasteigerwald Contact wasteigerwald william.a.steigerwald@nasa.gov Location NASA Goddard Space Flight Center Related Terms
Lunar Reconnaissance Orbiter (LRO) Solar Eclipses Uncategorized Explore More
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