This was a bit puzzling. It appeared as if the Trisolar ships were capable of entering and dropping out of lightspeed within an extremely short period of time, but they chose not to do so too close to the Trisolaran star system or the Solar System. After the fleet had left Trisolaris, the ships accelerated under conventional power for an entire year, until they were about six thousand AU from home, before entering lightspeed. Similarly, they dropped out of lightspeed at the same distance from the Solar System and switched to conventional deceleration. This distance could be covered in a month at lightspeed, but the fleet chose to spend a year traversing it. The cruise of the Second Trisolaran Fleet would thus take two years longer than it would if the entire voyage were conducted at lightspeed.
Only one explanation for this curious decision came to mind: It was motivated by a desire not to harm either solar system during the process of entering and dropping out of lightspeed. The safe radius appeared to be two hundred times the distance from the Sun to Neptune. This suggested that the power generated by the drives was two orders of magnitude greater than a star, which seemed unimaginable.
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Exactly when the rate of Trisolaran technological progress had shifted from constant to explosive was a mystery. Some scholars believed that the acceleration began before the Crisis Era; others believed that the forward leap didn’t happen until the Deterrence Era. There was, however, general consensus on the causes for the technology explosion.
First, Earth civilization had a tremendous impact on Trisolaran civilization—on this point, at least, the Trisolarans likely didn’t lie. Since the arrival of the first sophon, the massive inflow of human culture profoundly changed Trisolaris, and some human values resonated with the Trisolarans. Trisolaran society broke down the barriers to scientific progress imposed by the extreme totalitarian political system that had been adopted as a reaction to the chaotic eras, encouraged freedom of thought, and began to respect the individual. These changes might have triggered ideological transformation movements akin to the Renaissance in that distant world, leading to leaps in scientific and technological progress. This must have been a glorious period in Trisolaran history, but the specific details were unknown.
A second possibility was only a guess: The exploratory sophon missions sent in other directions in the universe were not fruitless, as the Trisolarans claimed. Before being blinded, they might have found at least one other civilized world. If so, Trisolarans might have not only received technological knowledge from this other civilization, but also important information about the condition of the dark forest in the universe. If so, Trisolaris far surpassed the Earth in every domain of knowledge.
Post-Deterrence Era, Day 60 A Lost World
For the first time since the end of deterrence, Sophon appeared. Still dressed in camouflage and wearing the katana on her back, she announced to the world that the Second Trisolaran Fleet would arrive in four years to complete the total conquest of the Solar System.
Trisolaran policy toward humanity had changed since the first crisis. Sophon announced that Trisolaris no longer intended to exterminate human civilization, but would create reservations for humans within the Solar System—specifically, they would let humanity live in Australia and on one-third of the surface of Mars. This preserved the basic living space needed for human civilization.
To prepare for the Trisolaran conquest in four years, Sophon declared that humanity must immediately begin to resettle. To accomplish the so-called “defanging” of humanity, and to prevent the reappearance of dark forest deterrence or similar threats in the future, humanity must be completely disarmed and resettle “naked.” No heavy equipment or facilities would be permitted in the reservations, and the resettlement must be completed within one year.
Human habitats on Mars and in space could accommodate about three million individuals at most; thus, the main destination for resettlement was Australia.
But most people still held on to the illusion that they would have at least a generation of tranquil life. After Sophon’s speech, no country responded, and no one actually emigrated.