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By NASA
NASA asked artists to imagine the future of deep space exploration in artwork meant to inspire the Artemis Generation. The NASA Moon to Mars Architecture art challenge sought creative images that represent the agency’s bold vision for crewed exploration of the lunar surface and the Red Planet. The agency has selected the recipients of the art challenge competition.
This collage features all the winners of the NASA Moon to Mars Architecture Art Challenge.Jimmy Catanzaro, Jean-Luc Sabourin, Irene Magi, Pavlo Kandyba, Antonella Di Cristofaro, Francesco Simone, Mia Nickell, Lux Bodell, Olivia De Grande, Sophie Duan The challenge, hosted by contractor yet2 through NASA’s Prizes, Challenges, and Crowdsourcing program, was open to artists from around the globe. Guidelines asked artists to consider NASA’s Moon to Mars Architecture development effort, which uses engineering processes to distil NASA’s Moon to Mars Objectives into the systems needed to accomplish them. NASA received 313 submissions from 22 U.S. states and 47 countries.
The architecture includes four segments of increasing complexity. For this competition, NASA sought artistic representations of the two furthest on the timeline: the Sustained Lunar Evolution segment and the Humans to Mars segment.
The Sustained Lunar Evolution segment is an open canvas for exploration of the Moon, embracing new ideas, systems, and partners to grow to a long-term presence on the lunar surface. Sustained lunar evolution means more astronauts on the Moon for longer periods of time, increased opportunities for science, and even the large-scale production of goods and services derived from lunar resources. It also means increased cooperation and collaboration with international partners and the aerospace industry to build a robust lunar economy. The Humans to Mars segment will see the first human missions to Mars, building on the lessons we learn from exploring the Moon. These early missions will focus on Martian exploration and establishing the foundation for a sustained Mars presence. NASA architects are examining a wide variety of options for transportation, habitation, power generation, utilization of Martian resources, scientific investigations, and more. Final judging for the competition took place at NASA’s annual Architecture Concept Review meeting. That review brought together agency leadership from NASA mission directorates, centers, and technical authorities to review the 2024 updates to the Moon to Mars Architecture. NASA selected the winning images below during that review:
Sustained Lunar Evolution Segment Winners
First Place:
Jimmy Catanzaro – Henderson, Nevada
Second Place:
Jean-Luc Sabourin – Ottawa, Canada
Third Place (Tie):
Irene Magi – Prato, Italy
Pavlo Kandyba – Kyiv, Ukraine
Humans to Mars Segment Winners
First Place (Tie):
Antonella Di Cristofaro – Chieti, Italy
Francesco Simone – Gatteo, Italy
Third Place:
Mia Nickell – Suwanee, Georgia
Under 18 Submission Winners
First Place:
Lux Bodell – Minnetonka, Minnesota
Second Place:
Olivia De Grande – Milan, Italy
Third Place:
Sophie Duan – Ponte Vedra, Florida
The NASA Tournament Lab, part of the Prizes, Challenges, and Crowdsourcing program in the Space Technology Mission Directorate, managed the challenge. The program supports global public competitions and crowdsourcing as tools to advance NASA research and development and other mission needs.
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By NASA
Dr. Stephanie Getty, director of NASA Goddard’s Solar System Exploration Division, talks about NASA’s DAVINCI (Deep Atmosphere Venus Investigation of Noble gases, Chemistry, and Imaging) mission with Dr. Kate Calvin, the agency’s chief scientist.Credits: Courtesy of Stephanie Getty Name: Dr. Stephanie Getty
Title: Director of the Solar System Exploration Division, Sciences and Exploration Directorate and Deputy Principal Investigator of the DAVINCI Mission
Formal Job Classification: Planetary scientist
Organization: Solar System Exploration Division, Sciences and Exploration Directorate (Code 690)
Dr. Stephanie Getty, director of NASA Goddard’s Solar System Exploration Division, poses with a full-scale engineering unit of NASA’s DAVINCI (Deep Atmosphere Venus Investigation of Noble gases, Chemistry, and Imaging) descent sphere.Credits: Courtesy of Stephanie Getty What do you do and what is most interesting about your role here at Goddard? How do you help support Goddard’s mission?
As the Director of the Solar System Exploration Division, I work from a place of management to support our division’s scientists. As the deputy principal investigator of the DAVINCI (Deep Atmosphere Venus Investigation of Noble gases, Chemistry, and Imaging) mission, I work with the principal investigator to lead the team in implementing this mission to study the atmosphere of Venus.
I love that I get to work from a place of advocacy in support of my truly excellent, talented colleagues. I get to think strategically to make the most of opportunities and do my best to overcome difficulties for the best possible future for our teams. It’s also a fun challenge that no two days are ever the same!
Why did you become a planetary scientist?
In school, I had a lot of interests and space was always one of them. I also loved reading, writing, math, biology, and chemistry. Being a planetary scientist touches on all of these.
My dad inspired me become a scientist because he loved his telescope and photography including of celestial bodies. We watched Carl Sagan’s “Cosmos” often.
I grew up in southeastern Florida, near Fort Lauderdale. I have a B.S. and Ph.D. in physics from the University of Florida.
How did you come to Goddard?
“My goal is to provide a supportive environment for our incredibly talented science community in the Division to thrive, to push discovery forward and improve the understanding of our solar system,” said Dr. Stephanie Getty, director of NASA Goddard’s Solar System Exploration Division. “It’s a priority to encourage effective and open communication.”Credits: Courtesy of Stephanie Getty I had a post-doctoral fellowship in the physics department at the University of Maryland, and a local connection and a suggestion from my advisor led me to Goddard in 2004.
What is most important to you as director of the Solar System Exploration Division, Sciences and Exploration Directorate?
My goal is to provide a supportive environment for our incredibly talented science community in the Division to thrive, to push discovery forward and improve the understanding of our solar system. It’s a priority to encourage effective and open communication. I really try to value the whole person, recognizing that each of us is three-dimensional, with full personal lives. The people create the culture that allows our scientists to thrive and explore.
What are your goals as deputy principal investigator of the DAVINCI mission?
DAVINCI’s goal is to fill long-standing gaps about Venus, including whether it looked more like Earth in the past. Our energetic team brings together science, engineering, technology, project management, and business acumen to build a multi-element spacecraft that will explore Venus above the clouds, and during an hour-long descent through the atmosphere into the searingly hot and high pressure deep layers of the atmosphere near the surface. We hope to launch in June 2029.
What is your proudest accomplishment at Goddard?
I am pleased and proud to be deputy principal investigator on a major mission proposal that now gets to fly. It is an enormous privilege to be entrusted as part of the leadership team to bring the first probe mission back to Venus in over four decades.
What makes Goddard’s culture effective?
Goddard’s culture is at its best when we collectively appreciate how each member of the organization works towards solving our problems. The scientists appreciate the hard, detailed work that the engineers do to make designs. The engineers and project managers are energized by the fundamental science questions that underlie everything we do. And we have brilliant support staff that keeps our team organized and focused.
“Curiosity is a defining characteristic of a good scientist, never losing a sense of wonder,” says Dr. Stephanie Getty, director of NASA Goddard’s Solar System Exploration Division. “When I can, I try to make time to pause to reflect on how beautiful and special our own planet is.”Credits: Courtesy of Stephanie Getty What goes through your mind when you think about which fundamental science question to address and how?
A lot of the research I have done, including my mission work, has been inspired by the question of how life originates, how life originated on Earth, and whether there are or have been other environments in the solar system that could have ever supported life. These questions are profound to any human being. My job allows me to work with incredibly talented teams to make scientific progress on these questions.
It is really humbling.
Who inspired you?
My 10th grade English teacher encouraged us to connect with the natural world and to write down our experiences. Exploring the manifestations of nature connects with the way I approach my small piece of exploring the solar system. I really love the writing parts of my job, crafting the narrative around the science we do and why it is important.
As a mentor, what is the most important lesson you give?
A successful career should reflect both your passion and natural abilities. Know yourself. What feels rewarding to you is important. Learn how to be honest with yourself and let yourself be driven by curiosity.
Our modern lives can be very noisy at work and at home. It can be hard to filter through what is and is not important. Leaving space to connect with the things that satisfy your curiosity can be one way to make the most of the interconnectivity and complexity of life.
Curiosity not only connects us to the natural world, but also to each other. Curiosity is a defining characteristic of a good scientist, never losing a sense of wonder.
I’m looking out my window as we talk. When I can, I try to make time to pause to reflect on how beautiful and special our own planet is.
What are your hobbies?
I love hiking with my kids. Walking through the woods puts me in the moment and clears my mind better than anything else. It gives my brain a chance to relax. Nature gives perspective, it reminds me that I am part of something bigger. Walking in the woods gives me a chance to pause, for example, to notice an interesting rock formation, or watch a spider spinning an impressive web, or spot a frog trying to camouflage itself in a pond, and doing this with my children is my favorite pastime.
Where is your favorite place in the world?
Any campsite at dusk with a fire going and eating s’mores with my family.
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.
By Elizabeth M. Jarrell
NASA’s Goddard Space Flight Center, Greenbelt, Md.
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Last Updated Feb 10, 2025 Related Terms
Goddard Space Flight Center DAVINCI (Deep Atmosphere Venus Investigation of Noble gases, Chemistry, and Imaging) People of Goddard Planetary Science Division Science Mission Directorate The Solar System Explore More
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By NASA
“People are excited and happy about working at Goddard,” said optics engineer Margaret Dominguez. “Most people are willing to put in the extra effort if needed. It makes work stimulating and exciting. Management really cares and the employees feel that too.”Credits: Courtesy of Margaret Dominguez Name: Margaret Dominguez
Formal Job Classification: Optical engineer
Organization: Code 551, Optics Branch, Instrument Systems and Technology Division, Engineering Directorate
What do you do and what is most interesting about your role here at Goddard? How do you help support Goddard’s mission?
I build space telescopes. I am currently working on building one of the components for the Wide Field Instrument for the Roman Space Telescope. The component is called “Grism.” A grism is a combination of a grating and a prism.
What is unique about your childhood?
I went to high school in Tecamachalco in Puebla, Mexico, which is inland and south of Mexico City. My father raised pigs, chickens, rabbits, and cows. I am the oldest of four girls and two still live on the farm.
Why did you become a physicist?
I was always curious and had a lot of questions and thought that physics helped me answer some of these questions. I was good at math and loved it. When I told my dad I wanted to study physics, he said that I would be able to answer any question in the universe. He thought it was very cool.
What is your educational background? How an internship help you come to Goddard?
I went to the Universidad de las Americas Puebla college in Puebla and got an undergraduate degree in physics. I was very active in extracurricular activities and helped organize a physics conference. We invited Dr. Johnathan Gardner, a Goddard astronomer, who came to speak at the conference. Afterwards I spoke with him and he asked me if I was interested in doing an internship at NASA. I said I had not considered it and would be interested in applying. I applied that same spring of 2008 and got a summer internship in the Optics Branch, where I am still working today.
My branch head at Goddard was a University of Arizona alumnus. He suggested that I apply to the University of Arizona for their excellent optics program. I did, and the university gave me a full fellowship for a master’s and a Ph.D. in optical sciences.
In 2014, I began working full time at Goddard while completing my Ph.D. I graduated in May 2019.
What makes Goddard special?
Goddard has a university campus feel. It’s a place where you can work and also just hang out and socialize. Goddard has many clubs, a gym, cafeterias, and a health clinic.
People are really nice here. They are often excited and happy about working at Goddard. Most people are willing to put in the extra effort if needed. It makes work stimulating and exciting. Management really cares and the employees feel that too.
What are some of the major projects you have worked on?
Early on, I did a little bit of work on Hubble and later on, NASA’s James Webb Space Telescope. Since 2014, I have exclusively been working on Roman. We are building the grism, a slitless spectrograph, which will measure galaxy redshifts to study dark energy.
Presently we are building different grism prototypes. We work with outside vendors to build these prototypes. When we make a prototype, we test it for months. After, we use the results to build an improved prototype. We just finished making the third prototype. We are going to build a flight instrument of which the grism is a component.
What is it like to work in the clean room?
It’s exciting – it likely means I am working on flight hardware. However, because clean rooms must be kept at about 68 degrees Fahrenheit, it can feel chilly in there!
Who are your mentors? What are the most important lessons they have taught you?
Ray Ohl, the head of the Optics Branch, is a mentor to me. He is always encouraging me to get outside my comfort zone. He presents other opportunities to me so that I can grow and listens to my feedback.
Cathy Marx, one of the Roman optical leads, is also a mentor to me. She created a support network for me and is a sounding board for troubleshooting any kind of work-related issues.
What is your role a member of the Hispanic Advisory Committee (HACE)?
I joined HACE in 2010 while I was an intern. It’s a great opportunity to network with other Hispanics and gives us a platform to celebrate specific events like Hispanic Heritage Month. I really enjoy participating in HACE’s events.
What outreach do you do? Why is doing outreach so important to you?
I do educational outreach to teach people about optics. I mainly collaborate with elementary and middle schools.
I think we need more future engineers and scientists. I want to help recruit them. I specifically focus on recruiting minorities and Hispanics. I can make a special connection with women and Hispanics.
Who is your science hero?
It would probably be Marie Curie. She’s the first woman to win a Nobel Prize, and she is the only woman to win two Nobel Prizes and she had to overcome a lot of challenges to achieve that.
What is your “six-word memoir”? A six-word memoir describes something in just six words.
Disciplined. Organized. Diligent. Passionate. Curious. Family-oriented.
Is there something surprising about your hobbies outside of work that people do not generally know?
I am a certified Jazzercise instructor – I normally teach two to three times a week. I can even teach virtually if need be. It is an hour-long exercise class combining strength training and cardio through choreographed dancing. We also use weights and mats.
I also enjoy going for walks with my husband, James Corsetti, who is also an engineer in the Optics Branch.
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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By NASA
Hubble Space TelescopeHubble Home OverviewAbout Hubble The History of Hubble Hubble Timeline Why Have a Telescope in Space? Hubble by the Numbers At the Museum FAQs Impact & BenefitsHubble’s Impact & Benefits Science Impacts Cultural Impact Technology Benefits Impact on Human Spaceflight Astro Community Impacts ScienceHubble Science Science Themes Science Highlights Science Behind Discoveries Hubble’s Partners in Science Universe Uncovered Explore the Night Sky ObservatoryHubble Observatory Hubble Design Mission Operations Missions to Hubble Hubble vs Webb TeamHubble Team Career Aspirations Hubble Astronauts NewsHubble News Hubble News Archive Social Media Media Resources MultimediaMultimedia Images Videos Sonifications Podcasts e-Books Online Activities Lithographs Fact Sheets Glossary Posters Hubble on the NASA App More35th Anniversary 7 Min Read NASA Celebrates Edwin Hubble’s Discovery of a New Universe
The Cepheid variable star, called V1, in the neighboring Andromeda galaxy. Credits: NASA, ESA, Hubble Heritage Team (STScI/AURA); Acknowledgement: R. Gendler For humans, the most important star in the universe is our Sun. The second-most important star is nestled inside the Andromeda galaxy. Don’t go looking for it — the flickering star is 2.2 million light-years away, and is 1/100,000th the brightness of the faintest star visible to the human eye.
Yet, a century ago, its discovery by Edwin Hubble, then an astronomer at Carnegie Observatories, opened humanity’s eyes as to how large the universe really is, and revealed that our Milky Way galaxy is just one of hundreds of billions of galaxies in the universe ushered in the coming-of-age for humans as a curious species that could scientifically ponder our own creation through the message of starlight. Carnegie Science and NASA are celebrating this centennial at the 245th meeting of the American Astronomical Society in Washington, D.C.
The seemingly inauspicious star, simply named V1, flung open a Pandora’s box full of mysteries about time and space that are still challenging astronomers today. Using the largest telescope in the world at that time, the Carnegie-funded 100-inch Hooker Telescope at Mount Wilson Observatory in California, Hubble discovered the demure star in 1923. This rare type of pulsating star, called a Cepheid variable, is used as milepost markers for distant celestial objects. There are no tape-measures in space, but by the early 20th century Henrietta Swan Leavitt had discovered that the pulsation period of Cepheid variables is directly tied to their luminosity.
Many astronomers long believed that the edge of the Milky Way marked the edge of the entire universe. But Hubble determined that V1, located inside the Andromeda “nebula,” was at a distance that far exceeded anything in our own Milky Way galaxy. This led Hubble to the jaw-dropping realization that the universe extends far beyond our own galaxy.
In fact Hubble had suspected there was a larger universe out there, but here was the proof in the pudding. He was so amazed he scribbled an exclamation mark on the photographic plate of Andromeda that pinpointed the variable star.
In commemoration of Edwin Hubble’s discovery of a Cepheid variable class star, called V1, in the neighboring Andromeda galaxy 100 years ago, astronomers partnered with the American Association of Variable Star Observers (AAVSO) to study the star. AAVSO observers followed V1 for six months, producing a plot, or light curve, of the rhythmic rise and fall of the star’s light. Based on this data, the Hubble Space Telescope was scheduled to capture the star at its dimmest and brightest light. Edwin Hubble’s observations of V1 became the critical first step in uncovering a larger, grander universe than some astronomers imagined at the time. Once dismissed as a nearby “spiral nebula” measurements of Andromeda with its embedded Cepheid star served as a stellar milepost marker. It definitively showed that Andromeda was far outside of our Milky Way. Edwin Hubble went on to measure the distances to many galaxies beyond the Milky Way by finding Cepheid variables within those levels. The velocities of those galaxies, in turn, allowed him to determine that the universe is expanding.NASA, ESA, Hubble Heritage Team (STScI/AURA); Acknowledgment: R. Gendler As a result, the science of cosmology exploded almost overnight. Hubble’s contemporary, the distinguished Harvard astronomer Harlow Shapley, upon Hubble notifying him of the discovery, was devastated. “Here is the letter that destroyed my universe,” he lamented to fellow astronomer Cecilia Payne-Gaposchkin, who was in his office when he opened Hubble’s message.
Just three years earlier, Shapley had presented his observational interpretation of a much smaller universe in a debate one evening at the Smithsonian Museum of Natural History in Washington. He maintained that the Milky Way galaxy was so huge, it must encompass the entirety of the universe. Shapley insisted that the mysteriously fuzzy “spiral nebulae,” such as Andromeda, were simply stars forming on the periphery of our Milky Way, and inconsequential.
Little could Hubble have imagined that 70 years later, an extraordinary telescope named after him, lofted hundreds of miles above the Earth, would continue his legacy. The marvelous telescope made “Hubble” a household word, synonymous with wonderous astronomy.
Today, NASA’s Hubble Space Telescope pushes the frontiers of knowledge over 10 times farther than Edwin Hubble could ever see. The space telescope has lifted the curtain on a compulsive universe full of active stars, colliding galaxies, and runaway black holes, among the celestial fireworks of the interplay between matter and energy.
Edwin Hubble was the first astronomer to take the initial steps that would ultimately lead to the Hubble Space Telescope, revealing a seemingly infinite ocean of galaxies. He thought that, despite their abundance, galaxies came in just a few specific shapes: pinwheel spirals, football-shaped ellipticals, and oddball irregular galaxies. He thought these might be clues to galaxy evolution – but the answer had to wait for the Hubble Space Telescope’s legendary Hubble Deep Field in 1994.
The most impactful finding that Edwin Hubble’s analysis showed was that the farther the galaxy is, the faster it appears to be receding from Earth. The universe looked like it was expanding like a balloon. This was based on Hubble tying galaxy distances to the reddening of light — the redshift – that proportionally increased the father away the galaxies are.
The redshift data were first collected by Lowell Observatory astronomer Vesto Slipher, who spectroscopically studied the “spiral nebulae” a decade before Hubble. Slipher did not know they were extragalactic, but Hubble made the connection. Slipher first interpreted his redshift data an example of the Doppler effect. This phenomenon is caused by light being stretched to longer, redder wavelengths if a source is moving away from us. To Slipher, it was curious that all the spiral nebulae appeared to be moving away from Earth.
Two years prior to Hubble publishing his findings, the Belgian physicist and Jesuit priest Georges Lemaître analyzed the Hubble and Slifer observations and first came to the conclusion of an expanding universe. This proportionality between galaxies’ distances and redshifts is today termed Hubble–Lemaître’s law.
Because the universe appeared to be uniformly expanding, Lemaître further realized that the expansion rate could be run back into time – like rewinding a movie – until the universe was unimaginably small, hot, and dense. It wasn’t until 1949 that the term “big bang” came into fashion.
This was a relief to Edwin Hubble’s contemporary, Albert Einstein, who deduced the universe could not remain stationary without imploding under gravity’s pull. The rate of cosmic expansion is now known as the Hubble Constant.
Ironically, Hubble himself never fully accepted the runaway universe as an interpretation of the redshift data. He suspected that some unknown physics phenomenon was giving the illusion that the galaxies were flying away from each other. He was partly right in that Einstein’s theory of special relativity explained redshift as an effect of time-dilation that is proportional to the stretching of expanding space. The galaxies only appear to be zooming through the universe. Space is expanding instead.
Compass and scale image titled “Cepheid Variable Star V1 in M31 HST WFC3/UVIS.” Four boxes each showing a bright white star in the center surrounded by other stars. Each box has a correlating date at the bottom: Dec. 17, 2020, Dec. 21, 2010, Dec. 30, 2019, and Jan. 26, 2011. The center star in the boxes appears brighter with each passing date.NASA, ESA, Hubble Heritage Project (STScI, AURA) After decades of precise measurements, the Hubble telescope came along to nail down the expansion rate precisely, giving the universe an age of 13.8 billion years. This required establishing the first rung of what astronomers call the “cosmic distance ladder” needed to build a yardstick to far-flung galaxies. They are cousins to V1, Cepheid variable stars that the Hubble telescope can detect out to over 100 times farther from Earth than the star Edwin Hubble first found.
Astrophysics was turned on its head again in 1998 when the Hubble telescope and other observatories discovered that the universe was expanding at an ever-faster rate, through a phenomenon dubbed “dark energy.” Einstein first toyed with this idea of a repulsive form of gravity in space, calling it the cosmological constant.
Even more mysteriously, the current expansion rate appears to be different than what modern cosmological models of the developing universe would predict, further confounding theoreticians. Today astronomers are wrestling with the idea that whatever is accelerating the universe may be changing over time. NASA’s Roman Space Telescope, with the ability to do large cosmic surveys, should lead to new insights into the behavior of dark matter and dark energy. Roman will likely measure the Hubble constant via lensed supernovae.
This grand century-long adventure, plumbing depths of the unknown, began with Hubble photographing a large smudge of light, the Andromeda galaxy, at the Mount Wilson Observatory high above Los Angeles.
In short, Edwin Hubble is the man who wiped away the ancient universe and discovered a new universe that would shrink humanity’s self-perception into being an insignificant speck in the cosmos.
The Hubble Space Telescope has been operating for over three decades and continues to make ground-breaking discoveries that shape our fundamental understanding of the universe. Hubble is a project of international cooperation between NASA and ESA (European Space Agency). NASA’s Goddard Space Flight Center in Greenbelt, Maryland, manages the telescope and mission operations. Lockheed Martin Space, based in Denver, also supports mission operations at Goddard. The Space Telescope Science Institute in Baltimore, which is operated by the Association of Universities for Research in Astronomy, conducts Hubble science operations for NASA.
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Edwin Hubble Hubble Views the Star That Changed the Universe The History of Hubble Facebook logo @NASAHubble @NASAHubble Instagram logo @NASAHubble Media Contact:
Claire Andreoli (claire.andreoli@nasa.gov)
NASA’s Goddard Space Flight Center, Greenbelt, MD
Ray Villard
Space Telescope Science Institute, Baltimore, MD
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Last Updated Jan 15, 2025 EditorAndrea GianopoulosLocationNASA Goddard Space Flight Center Related Terms
Andromeda Galaxy Astrophysics Astrophysics Division Goddard Space Flight Center Hubble Space Telescope Stars The Universe Keep Exploring Discover More Topics From Hubble
Hubble Space Telescope
Since its 1990 launch, the Hubble Space Telescope has changed our fundamental understanding of the universe.
Discovering a Runaway Universe
Our cosmos is growing, and that expansion rate is accelerating.
The History of Hubble
Hubble’s Night Sky Challenge
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