[QUOTE="nick3333"][QUOTE="Tolwan"] This is what it would have to have to be an alien craft. Thrusters, heat resistant armor (Something like our shuttle or some very resistant and light metal), and it would also have to have a main engine that could propel it to escape velocity. It also need's to have engines on one of it's side's so that it could actually move forward. If it only has engines on the bottom, it'l only move up or down. Also i see no windows, which means there would need to be some form of camera on the outside to display the outside to the crew inside, of which none are visible in all the "Alien" photo's i have seen. Finally, the ship need's to be HUGE. Why? It need's to carry an engine that produces enough power to produce a stable wormhole between two points in space, because theoretically that is the only way to travel between solar systems.
Tolwan
Ah, but what if it's an interdimensional craft or a time machine, and what if these beings/in the future they are able to produce completely flat cameras and heat shields and tiny engines? Also, what if there is no engine and it operates in a completely different manner to our craft? For example, magnetism? Anti-gravity? The thing about the engine on the bottom is completely false, by the way. The US and Canadian air forces have already been able to develop prototypes that move forwards, up, down, left and right and had an engine at the bottom (or middle) of the craft. Look it up. I'm not saying any of these pictures are real (hell, I didn't even look at them). What I am saying is this: stop applying our present technological state to everything as if nothing could exist outside of that. The universe doesn't confine itself to our limitations.The US Craft that had engines on the bottom actually crashed, it was incapable of maintaining balance in the air and wasnt aerodynamic. Speaking of which, a saucer shaped craft is very improbable, they actually had a special on the History Channel witha bunch of air-force specialists. It's not a good design - They even tried it.
Magnetism? That's not going to get you very far in space. Anti-Gravity? That's impossible according to current science. Tiny engines arent going to get you very far, because size does matter, and even if you can make them small, they can only do so much before you need to make them bigger. Flat Cameras? There would still be visible ports on the ship where the camera's are. The only craft we use with engines that go both down and horizontally are the Harrier Marine jet's, which i believe is going to be used is some future craft, but it cant move too fast, so it moreso fits the role of a helicopter. And those engines have to move themselves into horizontal position before any proper movement forward can be made.
It's all about the science, some things plain and simply arent possible. Ever.
Ballex, people have been saying since the dawn of time things aren't possible and they we're proven wrong again and again what makes you think science of now isn't going to change in the science of tomorrow if everythings impossible?
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