New research on the CNTR shows it could drastically improve spacecraft efficiency with liquid uranium fuel.
Category: space travel – Page 4
Scientists make game-changing breakthrough that could drive futuristic nuclear energy facilities: ‘This provides crucial technical support’
A research team from the University of South China has developed a set of algorithms to help optimize radiation-shielding design for new types of nuclear reactors.
Their achievement, which was published in the journal of Nuclear Science and Techniques and shared by TechXplore, will help engineers meet the difficult demands for next-gen reactors, including transportable models, as well as those intended for marine and space environments.
Safety is of paramount concern when it comes to nuclear energy, especially considering the public’s perception of this clean energy source following some notable accidents over the past 68 years.
Sierra Space Awarded Lunar Logistics Contract by NASA
Notably in April, Sierra Space announced the completion of successful hypervelocity impact trials conducted at NASA’s White Sands Test Facility in Las Cruces, New Mexico, to optimize the structural integrity of Sierra Space’s LIFE habitat space station technology. This included the use of NASA’s .50 caliber two-stage light gas gun to replicate micrometeoroid and orbital debris (MMOD) impacts to LIFE’s outer shield, to prepare the space station of use in orbit.
About Sierra Space.
Sierra Space is a leading commercial space company and emerging defense tech prime that is building an end-to-end business and technology platform in space to benefit and protect life on Earth. With more than 30 years and 500 missions of space flight heritage, the company is reinventing both space transportation with Dream Chaser®, the world’s only commercial spaceplane, and the future of space destinations with the company’s expandable space station technology. Using commercial business models, the company is also delivering orbital services to commercial, DoD and national security organizations, expanding production capacity to meet the needs of constellation programs. In addition, Sierra Space builds a host of systems and subsystems across solar power, mechanics and motion control, environmental control, life support, propulsion and thermal control, offering myriad space-as-a-service solutions for the new space economy.
Starship tumbles back to Ocean after reaching a nominal orbit
SpaceX’s prototype Starship exploded over the Indian Ocean on Tuesday, capping another bumpy test flight for the rocket central to billionaire Elon Musk’s dream of colonizing Mars.
The biggest and most powerful launch vehicle ever built lifted off around 6:36 pm (2336 GMT) from the company’s Starbase facility, near a southern Texas village that earlier this month voted to become a city — also named Starbase.
Excitement ran high among SpaceX engineers and spectators alike, after the last two outings ended with the upper stage disintegrating in fiery cascades over the Caribbean.
Replay! SpaceX launches Starship on 9th flight test
SpaceX’s Starship Flight 9 launched from Starbase in South Texas on May 27, 2025. The first-ever reused Super Heavy booster exploded during its landing burn over the Gulf of Mexico.
Broadcast courtesy: SpaceX.
SpaceX Starship Flight 9 LIVE from Starbase, TX!
SpaceX launches Starship Flight 9: Ship 35 and Booster 14–2 on the ninth orbital test flight!Go to https://myradar.com/ to get the best-rated weather app the…
Gravitational-Wave Rockets
Almost every galaxy hosts a supermassive black hole at its center. When galaxies merge, the two black holes spiral in closer to each other and eventually merge through gravitational-wave emission. Within a few billion years, this process will be featured close to home as our own Milky-Way will collide with its nearest massive neighbor, the Andromeda galaxy.
If the two black holes have different masses, the emission of gravitational waves is asymmetric, causing the merger product to recoil. The intense burst of gravitational waves in a preferred direction during the final plunge of the two black holes towards each other, kicks the remnant black hole in the opposite direction through the rocket effect. The end result is that gravitational waves propel the black hole remnant to speeds of up to a few percent of the speed of light. The recoiling black hole behaves like the payload of a rocket powered by gravitational waves.
In 2007, I published a single-authored paper in the prestigious journal Physical Review Letters, suggesting that a gravitational-wave recoil could displace a black hole from the galactic center and endow it with fast motion relative to the background stars. If the kick is modest, dynamical friction on the background gas or stars would eventually return the black hole back to the center.
The Physics of Space Travel: Exploring Faster-Than-Light Travel | Free Audiobook Author Ciro Irmici
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The Physics of Space Travel: Exploring Faster-Than-Light Travel is an exhilarating journey into the world of cutting-edge science and theoretical physics. Imagine a future where interstellar travel is not just a dream, but a reality. In this comprehensive and accessible guide, you’ll dive deep into the science behind faster-than-light travel, exploring concepts like Einstein’s theory of relativity, wormholes, warp drives, and quantum tunneling.
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With vivid explanations, real scientific insights, and thought-provoking possibilities, The Physics of Space Travel is your essential guide to understanding how humanity might one day break the light-speed barrier and unlock the mysteries of the cosmos.