Do you think VR-mediated unmanned maneuvers can replace manned space missions? Mark Adler, an engineer from NASA JPL, answered questions from astronomy enthusiasts through Quora, a foreign question and answer site.
Here's the answer from Mark Adler: We already have an unmanned space mission. Since 2004, we have been manipulating the rover in an immersive environment with 3D glasses. The demand for manipulating is decreasing. In this case, we have no choice because we are not currently able to send humans to Mars. If you can, things will go faster, because of the delay in light and the limitations of transmitting data, people interacting in VR is much slower than people interacting directly on the surface of Mars.
It is estimated that what we do every day through the Mars surface detectors can actually be completed in 15 minutes. On the other hand, it takes a lot of money to send humans to Mars using existing technology, and the current situation is that we don't have that much money. So we can only do what we can do now. As for whether we can completely replace the manned mission with a machine, it depends on your goals and your patience. If your goal is purely science, you don't need to care about multiple practices (for example, for decades, depending on your funding). If your answer is yes, you can replace the manned mission with a robot. Unmanned technology requires more complex, dexterous, sensory, and autonomous robots, but the capabilities of our Earth robots will advance these approaches at the same time. You need to deal with the problem of light reception delay, which takes longer and you need to solve the problem of limited bandwidth data. Laser communication can help us solve bandwidth data problems. You should support robotic sampling and return technology, which can greatly increase the effective bandwidth, making the laboratory on the earth more effective for further scientific research goals. In principle, you can send Earth Labs to Mars, which is cheaper than sending samples to Earth. This will allow you to further continuously check samples through the ever-increasing Earth Laboratory, reducing your investment and increasing your Scientific returns, at the same time, can greatly reduce the time of return. You can send human scientists to orbit, such as Mars, to solve the problem of light delay. This idea has been proposed and is going well. Although it is not attractive enough so far, people need to travel millions of kilometers to reach Mars, and only a few hundred kilometers on Mars.
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