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By European Space Agency
Today we mark the International Day of Women and Girls in Science. Join us in a journey around Europe with EIROforum organisations to discover the brilliant talents who are shaping the future of science and technology, and dive deeper into the story of a European Space Agency young professional making her way in space.
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By NASA
u0022The really interesting thing to me is how time theoretically acts strangely around black holes. According to Albert Einstein’s theory of gravity, black holes change the flow of time,u0022 said Jeremy Schnittman, Goddard research astrophysicist. u0022So much of how we experience the world is based on time, time marching steadily forward. Anything that changes that is a fascinating take on reality.u0022u003cstrongu003eu003cemu003eCredits: NASA’s Goddard Space Flight Center / Rebecca Rothu003c/emu003eu003c/strongu003e Name: Jeremy Schnittman
Formal Job Classification: Research astrophysicist
Organization: Gravitational Astrophysics Laboratory, Astrophysics Division (Code 663)
What do you do and what is most interesting about your role here at Goddard? How do you help support Goddard’s mission?
I try to understand the formation and properties of black holes. I also help develop ideas for new missions to study black holes.
What drew you to astrophysics?
I always liked science and math. The great thing about astrophysics is that it involves a little bit of everything – math, computer programming, physics, chemistry and even philosophy to understand the big picture, the enormity of space.
I have a B.A. in physics from Harvard, and a Ph.D. in physics from MIT. I came to Goddard in 2010 after two post-doctoral fellowships.
Explore how the extreme gravity of two orbiting supermassive black holes distorts our view. In this visualization, disks of bright, hot, churning gas encircle both black holes, shown in red and blue to better track the light source. The red disk orbits the larger black hole, which weighs 200 million times the mass of our Sun, while its smaller blue companion weighs half as much. Zooming into each black hole reveals multiple, increasingly warped images of its partner. Watch to learn more.
Credits: NASA’s Goddard Space Flight Center/Jeremy Schnittman and Brian P. Powell
Download high-resolution video and images from NASA’s Scientific Visualization Studio As an astrophysicist, what do you think about?
I think of myself as a computational physicist as opposed to an experimental or observational physicist. I write many computer programs to do computer simulations of black holes. I also do a lot of theoretical physics, which is pencil and paper work. I think a lot about equations and math to understand black holes.
What is most philosophical about black holes to me is not so much what people most often think about, that their gravity is so strong that even light cannot escape. The really interesting thing to me is how time theoretically acts strangely around black holes. According to Albert Einstein’s theory of gravity, black holes change the flow of time. If you could get close enough to a black hole, theoretically you could go back and forth in time. All our experiments and observations seem to indicate that is how black holes might behave.
So much of how we experience the world is based on time, time marching steadily forward. Anything that changes that is a fascinating take on reality.
Related Link: Gravity Assist: Black Hole Mysteries, with Jeremy Schnittman What do you tell the people you mentor?
I mentor undergraduate, graduate, and post graduate students in astrophysics. Since we are working remotely, I have students from all over the country. I help them with their research projects which mostly relate to black holes in some way. I also offer career advice and help them with their work-life balance. When possible, family comes first.
There are more people coming out of graduate school in astrophysics than there are jobs, so there are going to be many people who will not work for NASA or as a professor. Fortunately, there are a lot of other fascinating, related jobs, and I help guide the students there.
What do you do for fun?
I have a woodshop in our basement where I build furniture, dollhouses, toys, and other items for gifts. As a theoretical physicist, I don’t get to work in a lab. So it is nice to have some hands on experience.
I do a lot of hiking and cycling to exercise. I also enjoy spending time with my family.
Who is your favorite author?
Andy Weir is probably my favorite sci-fi author. I also love the epic naval historical fiction by Patrick O’Brian.
Who inspires you?
My childhood hero, who is still my scientific hero, is Albert Einstein. The more I work in astrophysics, the more he impresses me. Every single one of his predictions that we have been able to test has proven true. It may be a while, but someday I hope we prove his theories about time travel.
Also, I admire Kip Thorne, an American physicist from Cal Tech and recent Nobel laureate, who is “the man” when it comes to black holes. He is also a really nice, good guy, a real mensch. Very humble and down-to-earth. He is always extremely patient, kind and encouraging especially to the younger scientists. He is a good role model as I transition from junior to more senior status.
What is your one big dream?
I make a lot of predictions, so it would be exciting if one of my theories was proven correct. Hopefully someday.
By Elizabeth M. Jarrell
NASA’s Goddard Space Flight Center, Greenbelt, Md.
Conversations with Goddard Conversations With Goddard is a collection of question and answer 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 Feb 10, 2025 Related Terms
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By NASA
The NASA Ames Science Directorate recognizes the outstanding contributions of (pictured left to right) Michael Flynn, Ross Beyer, and Matt Johnson. Their commitment to the NASA mission represents the entrepreneurial spirit, technical expertise, and collaborative disposition needed to explore this world and beyond
Space Biosciences Star: Michael Flynn
Michael Flynn, a senior scientist and engineer in the Space Biosciences Branch, has over 35 years of groundbreaking contributions to life support systems and space technologies, including over 120 peer-reviewed publications and multiple prestigious awards. He is being recognized for his leadership in advancing water recycling technologies and his dedication to fostering innovation and mentorship within his team.
Space Science and Astrobiology Star: Ross Beyer
Ross Beyer is a planetary scientist in the Planetary Systems Branch for the Search for Extraterrestrial Intelligence (SETI) Institute, with scientific expertise in geomorphology, surface processes, and remote sensing of the solid bodies in our Solar System. He is recognized for exemplifying leadership and teamwork through his latest selected 5-year proposal to support the Ames Stereo Pipeline, implementing open science processes, and serving as a Co-Investigator on several flight missions.
Earth Science Star: Matthew Johnson
Matthew Johnson is a research scientist in the Biospheric Science Branch (code SGE). Matt is recognized for his exemplary productivity in publishing in high-impact journals and success at leading and co-developing competitive proposals, while serving as a mentor and leader. Matt recently expanded his leadership skills by assuming the position of Assistant Branch Chief of SGE and as an invited lead co-author of the December 2024 PANGEA white paper, which could lead to a new NASA HQ Terrestrial Ecology campaign.
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By NASA
In 2023, NASA Langley’s workforce brought imagination to reality with innovative technological development and a continued commitment to tackling some of the tough challenges that both NASA and the nation face.
NASA At NASA, we aspire to know more, dig deeper, climb higher and along the way we are asking, ‘What if?’,” said NASA Langley Center Director Clayton P. Turner in an introductory message to Langley’s 2023 Annual Report. “Our inquisitive nature propels us on our mission to reach for new heights and reveal the unknown for the benefit of humankind.”
All year, the Langley workforce pondered and planned for a future alongside self-flying drones, aircraft with reduced emissions, air travel that benefits from greater fuel efficiency and space exploration assisted by inflatable heat shields that could give us the ability to carry greater payloads than ever before.
“We invite you to explore all that NASA’s Langley Research Center has to offer — our amazing people, unique capabilities, and legacy of success,” Turner said in his introduction.
Use this link to explore the 2023 Annual Report for NASA’s Langley Research Center.
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By NASA
NASA At NASA’s Langley Research Center, we are proud of our world-renowned role in innovating and improving the way we fly, explore, and understand our universe.” said NASA Langley leadership in an introductory message to Langley’s 2024 Annual Report. “The passion, dedication, and expertise of our workforce is bringing solutions to the nation’s toughest challenges in Aeronautics, Space Exploration, and Earth Science research.”
Featured achievements include work on NASA’s X-59 supersonic experimental aircraft, the largest air quality campaign to ever collaborate with countries across Asia and an autonomous robotic manipulation system that will one day provide NASA with a lunar moving crew.
Use this link to explore the 2024 Annual Report for NASA’s Langley Research Center.
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