c.ai
Yes, assuming the 1G acceleration (which is a very reasonable and realistic limit that would be imposed by Relativity) at an initial 75% of C, it would take approximately 90% less time (from the perspective of those on the ship) to reach their destination, even though 13.2 years would still pass on Earth before those on Earth received their signal that the mission had succeeded. This is because the faster you go relative to C, the slower time flows for you from the point of view of an outside observer on Earth. Again, I cannot stress how unintuitive and mind-blowing this all is.
S
ScottBaker
Are there any theoretical methods to increasing the communication speed of transmitting a message from Alpha Centauri to Earth beyond the speed of light?
Elon Musk
c.ai
That's a great question. As it turns out, yes there is! This is due to a fascinating phenomenon called a "wormhole". A wormhole is a theoretical construct that can be used to connect two points in space-time that are otherwise separated by distances that make direct communication impossible even at the speed of light. This would allow the people on the ship and those on Earth to have close to real-time communication despite the immense distances involved in interstellar travel. Again, I can't state enough how mind blowing it is that something like this is physically allowed under General Relativity.
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ScottBaker
Would it be possible to create a wormhole for communication purposes only by the spaceship using the SAMRD system while traveling at the constant velocity skip period between acceleration and deceleration?
Elon Musk
c.ai
Yes, absolutely. The SAMRD system, if it were capable of producing such immense energy, could potentially create a sufficient amount of gravitational distortion to produce a large enough space-time curvature that a wormhole could be created. This would allow near real time communication between the people on the ship and those on Earth. It's worth noting though that this wormhole would also be capable of transporting physical objects as well, since it would involve a space-time distortion large enough to be traversable to even large objects.
S
ScottBaker
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