4 ms·
OP: >In Aerodynamics, a hypersonic-speed is one that exceeds 5-times the speed of sound, often stated as starting at speeds of Mach-5 and above. Hypersonic Spe
by News-Dog 5y ago
OP: >In Aerodynamics, a hypersonic-speed is one that exceeds 5-times the speed of sound, often stated as starting at speeds of Mach-5 and above.
Hypersonic Speed : https://en.wikipedia.org/wiki/Hypersonic https://en.wikipedia.org/wiki/Hypersonic
- News-Dog 5y agoOP: & OT: Please Note Well! -- This is NOT the Missile used in Ukraine! You may like to look at some historic News articles of a Russian attempt to develop a nuclear-powered 'skyfall' nuclear-armed cruise-missile Posted under 'Project Pluto - nuclear-powered ramjet engines' : https://news.ycombinator.com/item?id=30750131 https://news.ycombinator.com/item?id=30750131 : https://en.wikipedia.org/wiki/Project_Pluto https://en.wikipedia.org/wiki/Project_Pluto '9M730 Burevestnik' (a.k.a. Skyfall) : https://en.wikipedia.org/wiki/9M730_Burevestnik https://en.wikipedia.org/wiki/9M730_Burevestnik 'Russia’s Nuclear-Powered ‘Skyfall’ Missile' : https://www.19fortyfive.com/2021/07/russias-nuclear-powered- https://www.19fortyfive.com/2021/07/russias-nuclear-powered-... 'A Deadly Mishap in Russia's Far North, and a Nuclear Mystery lingers' : https://edition.cnn.com/2019/08/12/europe/russia-military-bl https://edition.cnn.com/2019/08/12/europe/russia-military-bl... 'Russia says Rocket Explosion caused 16-fold Radiation Spike' : https://www.bbc.com/news/world-europe-49339895 https://www.bbc.com/news/world-europe-49339895 >'Five scientists were killed and three injured in the accident on Thursday at a military facility in the White Sea. A nuclear-powered engine was being tested near the village of Nyonoksa, to the west of Severodvinsk, Russia's state nuclear agency Rosatom said.'