| North Korea 11:03 - Jan 30 with 706 views | Samuelowen88 |
Multiple places reporting their latest missile test reach an altitude of 2,000km..
Now space is generally regarded at 100km (Kármán Line), ISS sits ~ 400km
Your telling me its gone 5 time higher than ISS?
Or is this measured differently? [Post edited 30 Jan 2022 11:04]
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| North Korea on 11:10 - Jan 30 with 655 views | gtsb1966 |
Kim Jong IL scored eleven holes in one in one round of golf apparently. Anything can happen in North Korea. |  | | |
| North Korea on 13:40 - Jan 30 with 533 views | Guthrum |
The ISS orbits at around 400km. To achieve orbit you need forward velocity more than altitude, that is where most of a rocket's energy is deployed.
Firing something straight up in the air and having it fall directly back down again is relatively trivial. If you have a rocket which can accelerate your payload to around 2.8 km/s (only about 36% of orbital velocity), then it will achieve that kind of altitude going vertically up.
But it doesn't do anything much more than a beefed-up version of Jeff Bezos' New Shepherd tourist bus - a stunt. For an effective ICBM, you need to think about throw (the horizontal distance achievable), all the problems associated with re-entry (including protecting the warhead) and accurate targeting. |  |
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