https://www.slashgear.com/2001311/worlds-biggest-solid-propellant-rocket-gravity-1-second-launch/
Oct 24, 2025 - Orienspace launched its Gravity-1 rocket for the second time in October 2025, bringing three satellites into orbit.
solid propellant rocketworldbiggestsuccessfullylaunched
https://www.nist.gov/publications/wide-ranging-viscosity-measurements-rocket-propellant-rp-2
Expanding on earlier viscosity measurements of rocket propellants from 293 K to 373 K at atmospheric pressure, the viscosity of rocket propellant RP-2 was measu
rocket propellantwiderangingviscositymeasurements