A Virginia-based propulsion-focused company conducted a full-scale static fire of NASA’s Booster Obsolescence and ...

In the frozen outskirts of the solar system, a reddish dwarf planet orbits in silence. Known as Sedna, it is so distant that ...

Engineers didn't immediately acknowledge the issue during that broadcast, apart from one controller uttering "Whoa," followed ...

In today's video I want to show you how to build a powerful dual thrust rocket with a tomy timer and parachute. Materials you need: 1.5L coca cola bottles (because it can handle high pressure ...

More information: Dale Thomas et al, Addressing challenges to engineering feasibility of the centrifugal nuclear thermal rocket, Acta Astronautica (2025). DOI: 10.1016/j.actaastro.2025.05.007 ...

Rockets function by burning rocket fuel — the action — with liftoff being the subsequent reaction. The reaction force, also known as thrust, is commonly measured in pounds or newtons in ...

It has the most engines ever in a rocket booster: The Super Heavy booster is powered by 33 of SpaceX’s Raptor engines. As those engines lift Starship off the launchpad, they will generate 16 ...

Figure 2 Pressure (thrust) diagram on the injector head of the RD-171. Figure 2 highlights that the engine RD-171 throttles only once, starting from the 110 th second of the flight. Here and further, ...

These systems do not require any sort of ignition system, so they’re reliable. But these rockets must carry oxygen with them into space, which can weigh them down. Unlike chemical propulsion systems, ...

A nuclear rocket, using hydrogen at the same pressure and only 3,000° F., shoots it out the tail pipe at 19,000 ft. per sec. If the working temperature rises to 4,500°, the exhaust velocity ...