"If the world is full of darkness, I would like to be a star and light up the night sky...... The starry sky is so shining...... It's because of me, you, and everyone who stands in the depths of the stars......"

The last song he and Mark sang together echoed in his mind, and the song gradually became distant and indistinct, and he felt his body fall into the deep sea, and then everything around him sank into darkness, and the stars spun into one glowing circle after another, and Mark's figure disappeared in the center of those circles. Mark knew that he had touched the space bubble, and the rapidly changing scene in front of him was the result of his own jumping in the space bubble......

He still wanted to say something and do something, but he couldn't move, there was only darkness in front of him, his eyes were so tired that he couldn't open them at all, Sun Tan could only press the communicator switch with his last strength, if the people on the spaceship received the signal, they would definitely notice him, and then he fell into a deep coma.

The space bubble spawned by the pulsar explosion is not as soft as the star gate they rode before, even if Sun Tan wears a heavy protective armor, he still receives a great impact when moving in the space bubble, before he discarded part of the armor in order to obtain some forward kinetic energy, resulting in a great reduction in protection efficiency, and now under this protective equipment, Sun Tan is already covered in blood, and his organs have also been seriously damaged, and the fire of life is as weak as a candle in the wind, which has been exchanged for him by Mark with all his might...... The best ending.

Sun Tan's ears were surrounded by all kinds of vague voices, singing, and all kinds of people talking, some of which he was familiar with, and some of which he didn't recognize...... Whenever I tried to capture the information, the sound quickly disappeared again. Sun Tan suddenly thought of wave-particle duality in physics, and he thought of double-slit interference experiments, which caused headaches for countless physicists but could not explain the phenomenon......

In the presence of an observer, the particles that pass through the gap are converted into waves, leaving scattered ripple traces on the light screen behind them, while in the absence of an observer, the particles keep the essence of the matter unchanged and pass through both sides of the gap, leaving behind two regular straight lines.

Could it be that my own existence plays the role of this observer? In other words, all those who belong to this universe are essentially observers, those things that affect us...... Once we become aware of their existence, their state collapses and becomes a cloud of disordered probabilities, so we cannot prove their existence anyway.

But who are they? And what are they trying to tell us? Sun Tan's consciousness began to become blurred, the speed of thinking began to slow down, and the vague voice began to become clearer and clearer, he knew that this was his body beginning to collapse, his organs were necrosis, his blood was stagnating, his brain cells were rapidly withering, his reason and memory were disappearing, and he was constantly falling into the abyss of nothingness, because of this...... You'll hear that voice yourself, right?

"My vital signs are disappearing, and my 'observation' of the world is gradually weakening, so I'm getting more and more affected by that...... But Mark, how did he feel this feeling? ”

Sun Tan's questions could not be answered, and no one could give him an answer, thinking began to become more and more difficult, and finally he gave up thinking and let his body continue to fall, compared to Mark's side, it should be the same situation, Sun Tan sighed in the dark spiritual abyss, he didn't even have an oxygen cylinder left, and his armor was as damaged as me...... Now it's definitely worse than me.

It is true that as he thought, Mark's situation is extremely bad, to be exact, his vital signs have completely disappeared, and now he is no different from a corpse floating in the cold universe, if he continues like this, his only fate is to be completely frozen into ice in the low temperature, and his body will freeze together with this tattered metal, and then shatter into countless pieces in a collision with space junk, of course, the universe is so vast, maybe he will never hit an obstacle, Pulled by the gravitational pull of one star after another, it finally turned into dust after countless years of baptism and fell to one of the planets......

It was supposed to be like this, but it was seen in Mark's eyes...... But it's a different story.

He saw himself falling downward, and then the next second, but the previous image did not disappear, but was superimposed with the self that appeared behind, it looked like one image after another, and Sun Tan's consciousness gradually moved towards nothingness, Mark felt that his thinking was very clear at this time, he could "see" the tiny holes on the surface of the protective suit on his body, and even "see" his tiniest pores, he didn't know what state he was in, His eyes were closed, but he could see more clearly than before.

Mark doesn't know what kind of state he is in now, he just pushed Sun Tan away, he fell in the opposite direction, now he has nothing on him that can be used to speed up, even the oxygen that sustains life has been exhausted, he just gave the last bottle of oxygen to Sun Tan, after all, he is the one who is going to life, and Mark will fall to the end of his life, holding that is just a lingering breath, and Sun Tan may be able to let him hold on until the rescue arrives.

"Let him go, you belong here."

Mark recalled the voice he heard just now, the same as the "eye" he heard in front of the star gate, without any words and pronunciation, the meaning of that sentence directly appeared in his mind, this time it was Mark who heard it most clearly, so he made the final decision without thinking, of course, even if there was no voice, he would use this method to send Sun Tan away.

"Is this it? The closest place to you, the last place I will reach. Mark looked at the abyss below him, the traces left by the pulsar explosion were still spreading in the distance, his body was still falling down one block after another like a picture stutter, and everything around him was also folded layer by layer, at the bottom of the abyss, Mark suddenly saw a familiar shadow, and his empty eyes lit up at once.