No, I mean with all this "uncontrollable" re-entry scare.
Can you really withstand 10 more outrages like these... it is really tiring, if you were believing western propaganda you would think that Earth was ending by this rocket lol
China's Space Program News Thread
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Can you really withstand 10 more outrages like these... it is really tiring, if you were believing western propaganda you would think that Earth was ending by this rocket lol
It wasn't the mission that went wrong or the rocket and its payload out of control. It was the expendable portion of rocket booster stage that ended up in orbit AS IT IS DESIGNED TO DO. The discarded rocket section (that is common to all rockets from all nations) disintegrated when it entered the atmosphere and remaining parts if not burned up during re-entry, fell into the ocean where Wenchang launch site launches mostly are designed to do. It has the highest probability of correct re-entry BUT this CZ-5B unfortunately seems to not have remaining fuel for this particularly heavy and large payload to de-orbit with total control i.e. using rocket to steer for a more controlled and predictable re-entry.
Wenchang launches are much safer because unlike inner China launch sites, the trajectory typically (for most sats) don't cross quite as much landmass. The path of trajectory for orbited material for Wenchang is much more ocean than it is land for inner China launch sites.
Wenchang launches are much safer because unlike inner China launch sites, the trajectory typically (for most sats) don't cross quite as much landmass. The path of trajectory for orbited material for Wenchang is much more ocean than it is land for inner China launch sites.
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However many more launches of the same CZ-5B type (apparently different to the CZ-5 where the first stage doesn't end up in orbit) is required to complete the main modules of the station is however many more launches that will need to take place. Western rockets have stages and discarded sections too. SpaceX reusable boosters make up a tiny percentage of rockets around the world and those are boosters that don't end up in orbit anyway. Some other rockets from the US have de-orbit systems in place which the CZ-5B should ideally have but it doesn't, along with many other rockets.
Engineer
Major
Nope, you are the one deliberatedly misleading here. Controlability and predictability are different concepts.
The West does not represent the world. The superb handling of COVID crisis by China vs. the total mismanagement by the West already cemented China's status as a responsible country. The West needs to put a check on its racisim and starts acting like an adult if it wants China to take opinions from the West seriously.
Contrary to popular belief, there must've been some risk analysis done with the de-orbiting of the core stage (first/last/upper stage etc) since it is a relatively massive thing to leave to complete chance. They probably figured out that it would burn up in re-entry and residual pieces would fall harmlessly into the ocean in the stretch between Indian ocean and Pacific. The only major risk was Australia which is one of the least densely populated country on earth. It would have been the best choice given planned accuracy perhaps? I mean it would be favourable compared to risking debris fall on India or Africa where density is far, FAR greater. So 80% chance of Indian ocean or Pacific and 20% on Australia and even if debris lands in Australia (American debris has) it has almost nil chance of hitting civilian centres in Australia.
Indeed there is a difference between controllable and predictable. We don't know how predictable they left this but ideally it should be controllable and would certainly be the aim. It's just that this main module requires all the fuel and all that space for the CZ-5 to require modification into CZ-5B where the one and only main rocket stage unfortunately has to end up in orbit. There is still lot's of nuance between how potentially irresponsibly they left it to how certain they were about the risks being confidently managed to ensure close to 0 probability of bad landing.
The fact is that even if they left the thing to a total crapshoot, the chance of a bad landing is still relatively small unless it landed in the trajectory path range that covers north america which has worrying population density.
Indeed there is a difference between controllable and predictable. We don't know how predictable they left this but ideally it should be controllable and would certainly be the aim. It's just that this main module requires all the fuel and all that space for the CZ-5 to require modification into CZ-5B where the one and only main rocket stage unfortunately has to end up in orbit. There is still lot's of nuance between how potentially irresponsibly they left it to how certain they were about the risks being confidently managed to ensure close to 0 probability of bad landing.
The fact is that even if they left the thing to a total crapshoot, the chance of a bad landing is still relatively small unless it landed in the trajectory path range that covers north america which has worrying population density.
Engineer
Major
When you go to the zoo, you see Champanzees flinging shit. What the West is doing is no different.
The only embarrassing one here is your lame ass attempt in trying to denigrade everything China. I mean everyone here with any functioning brain cells can see right through your nonsensical attempt of trolling by posting brain dead commentaries and trying to pass it off as some Jesus gospel shit. I personally don't know the objective of anyone with such a low brow agendas can contribute to any forums. The level of idiotic drivel that comes out of malcontent and insidious people bring no value nor does it drive sensible debate or discussion about anything, especially one that's about China.
It's important to actually have a discussion, debate about China and it's directions since the country and it's people have a very important and influential role to play in the world. But having to read commentaries that are purely designed to incite or arouse negative emotion is akin to an exercise in futility because having to debate with someone of your caliber is like talking to a table.
Quickie
Colonel
Do they even try to control the trajectory of rocket stages that has gone into orbit after releasing the payload. I doubt so as I've never heard of a ground control station trying to reestablish contact with the rocket stage, reigniting the engine after days/weeks of its orbiting the Earth. Not an easy task as the rocket stage could be tumbling and it would be impossible to stabilize the rocket in the right direction without those vernier thrusters.
This video explains why SpaceX never try to recover the second stage in orbit, the main problem being reigniting the engine.
China is a too responsible to mimic the American style controlled re-entry.
China has a better method that is much safer and more responsible.
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