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By European Space Agency
Satellite observations show that sea-surface temperatures over the past four decades have been getting warmer at an accelerated pace.
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By NASA
Explore This Section Science Science Activation Exploring the Universe Through… Overview Learning Resources Science Activation Teams SME Map Opportunities More Science Activation Stories Citizen Science 3 min read
Exploring the Universe Through Sight, Touch, and Sound
For the first time in history, we can explore the universe through a rich blend of senses—seeing, touching, and hearing astronomical data—in ways that deepen our understanding of space. While three-dimensional (3D) models are essential tools for scientific discovery and analysis, their potential extends far beyond the lab.
Space can often feel distant and abstract, like watching a cosmic show unfold on a screen light-years away. But thanks to remarkable advances in technology, software, and science, we can now transform telescope data into detailed 3D models of objects millions or even billions of miles away. These models aren’t based on imagination—they are built from real data, using measurements of motion, light, and structure to recreate celestial phenomena in three dimensions.
What’s more, we can bring these digital models into the physical world through 3D printing. Using innovations in additive manufacturing, data becomes something you can hold in your hands. This is particularly powerful for children, individuals who are blind or have low vision, and anyone with a passion for lifelong learning. Now, anyone can quite literally grasp a piece of the universe.
These models also provide a compelling way to explore concepts like scale. While a 3D print might be just four inches wide, the object it represents could be tens of millions of billions of times larger—some are so vast that a million Earths could fit inside them. Holding a scaled version of something so massive creates a bridge between human experience and cosmic reality.
In addition to visualizing and physically interacting with the data, we can also listen to it. Through a process called sonification, telescope data is translated into sound, making information accessible and engaging in a whole new way. Just like translating a language, sonification conveys the essence of astronomical data through audio, allowing people to “hear” the universe.
To bring these powerful experiences to communities across the country, NASA’s Universe of Learning, in collaboration with the Library of Congress, NASA’s Chandra X-ray Observatory, and the Space Telescope Science Institute, has created Mini Stars 3D Kits that explore key stages of stellar evolution. These kits have been distributed to Library of Congress state hubs across the United States to engage local learners through hands-on and multisensory discovery.
Each Mini Stars Kit includes:
Three 3D-printed models of objects within our own Milky Way galaxy: Pillars of Creation (M16/Eagle Nebula) – a stellar nursery where new stars are born Eta Carinae – a massive, unstable star system approaching the end of its life Crab Nebula – the aftermath of a supernova, featuring a dense neutron star at its core Audio files with data sonifications for each object—mathematical translations of telescope data into sound Descriptive text to guide users through each model’s scientific significance and sensory interpretation These kits empower people of all ages and abilities to explore the cosmos through touch and sound—turning scientific data into a deeply human experience. Experience your universe through touch and sound at: https://chandra.si.edu/tactile/ministar.html
Credits:
3D Prints Credit: NASA/CXC/ K. Arcand, A. Jubett, using software by Tactile Universe/N. Bonne & C. Krawczyk & Blender
Sonifications: Dr. Kimberly Arcand (CXC), astrophysicist Dr. Matt Russo, and musician Andrew Santaguida (both of the SYSTEM Sounds project)
3D Model: K. Arcand, R. Crawford, L. Hustak (STScI)
Photo of NASA’s Universe of Learning (UoL) 3D printed mini star kits sent to the Library of Congress state library hubs. The kits include 3D printed models of stars, sonifications, data converted into sound, and descriptive handouts available in both text and braille. Share
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Last Updated Apr 14, 2025 Editor NASA Science Editorial Team Related Terms
Science Activation 3D Resources Astrophysics Manufacturing, Materials, 3-D Printing The Universe Explore More
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By NASA
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Preparations for Next Moonwalk Simulations Underway (and Underwater)
NASA’s X-59 quiet supersonic research aircraft sits on a ramp at Lockheed Martin Skunk Works in Palmdale, California, during sunset. The one-of-a-kind aircraft is powered by a General Electric F414 engine, a variant of the engines used on F/A-18 fighter jets. The engine is mounted above the fuselage to reduce the number of shockwaves that reach the ground. The X-59 is the centerpiece of NASA’s Quesst mission, which aims to demonstrate quiet supersonic flight and enable future commercial travel over land – faster than the speed of sound.Lockheed Martin Corporation/Garry Tice The team behind NASA’s X-59 completed another critical ground test in March, ensuring the quiet supersonic aircraft will be able to maintain a specific speed during operation. The test, known as engine speed hold, is the latest marker of progress as the X-59 nears first flight this year.
“Engine speed hold is essentially the aircraft’s version of cruise control,” said Paul Dees, NASA’s X-59 deputy propulsion lead at the agency’s Armstrong Flight Research Center in Edwards, California. “The pilot engages speed hold at their current speed, then can adjust it incrementally up or down as needed.”
The X-59 team had previously conducted a similar test on the engine – but only as an isolated system. The March test verified the speed hold functions properly after integration into the aircraft’s avionics.
“We needed to verify that speed hold worked not just within the engine itself but as part of the entire aircraft system.” Dees explained. “This test confirmed that all components – software, mechanical linkages, and control laws – work together as intended.”
The successful test confirmed the aircraft’s ability to precisely control speed, which will be invaluable during flight. This capability will increase pilot safety, allowing them to focus on other critical aspects of flight operation.
“The pilot is going to be very busy during first flight, ensuring the aircraft is stable and controllable,” Dees said. “Having speed hold offload some of that workload makes first flight that much safer.”
The team originally planned to check the speed hold as part of an upcoming series of ground test trials where they will feed the aircraft with a robust set of data to verify functionality under both normal and failure conditions, known as aluminum bird tests. But the team recognized a chance to test sooner.
“It was a target of opportunity,” Dees said. “We realized we were ready to test engine speed hold separately while other systems continued with finalizing their software. If we can learn something earlier, that’s always better.”
With every successful test, the integrated NASA and Lockheed Martin team brings the X-59 closer to first flight, and closer to making aviation history through quiet supersonic technology.
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Last Updated Mar 26, 2025 EditorDede DiniusContactNicolas Cholulanicolas.h.cholula@nasa.gov Related Terms
Aeronautics Aeronautics Research Mission Directorate Armstrong Flight Research Center Commercial Supersonic Technology Langley Research Center Low Boom Flight Demonstrator Quesst (X-59) Supersonic Flight Keep Exploring Discover More Topics From NASA
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By European Space Agency
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