A documentary made with heart is really a good thing. In the impetuousness of the world, it whispers the boundless knowledge and wisdom, teaches people humility, and what is more valuable is that it can make a contemporary adult feel reborn, it is about the rebirth of curiosity, and even nascent in some areas. I understand why a lot of people want to stay young forever, but most of them ignore the inner youth, which is kept fresh by curiosity and the ever-expanding boundaries driven by curiosity like the universe, It was multiple rebirths at the boundaries of the individual universe, and of course not everyone wants to experience living in a larger universe, and that's okay. I recently watched a documentary about planets, the planets, and cosmos, a documentary about the history of the universe and the earth. The front is the BBC, and the back is NG. It is not a dream to make people wander in light years. Living in this era is more than The predecessors were really fortunate to see a broader and more detailed cosmic 100,000-year calendar. The sun will burn out in 5 billion years, and Earth, the only planet known to exist today, will once again be reduced to a silent mass of stardust, gas, and clouds. If you are lucky, the descendants of mankind have already moved elsewhere. I wonder if they will Remember, the "Voyager" probe, which has served in space for 20 years, looked back at the earth when it finally passed Pluto and was about to escape into the boundless darkness. It was "the pale blue dot" in Carl Sagan's mouth. It was then At 4.5 billion years old, it used to be home.
"That's here, that's home, that's us. On it everyone you love, everyone you know, everyone you ever heard of, every human being who ever was, lived out their lives. The aggregate of our joy and suffering, thousands of confident religions , ideologies, and economic doctrines, every hunter and forager, every hero and coward, every creator and destroyer of civilization, every king and peasant, every young couple in love, every mother and father, hopeful child, inventor and explorer, every teacher of morals, every corrupt politician, every “superstar,” every “supreme leader,” every saint and sinner in the history of our species lived there – on a mote of dust suspended in a sunbeam. The Earth is a very small stage in a vast cosmic arena. Think of the rivers of blood spilled by all those generals and emperors so that, in glory and triumph,they could become the momentary masters of a fraction of a dot. Think of the endless cruelties visited by the inhabitants of one corner of this pixel on the scarcely distinguishable inhabitants of some other corner, how frequent their misunderstandings, how eager they are to kill one another, how fervent their hatreds. Our posturings, our imagined self-importance, the delusion that we have some privileged position in the Universe, are challenged by this point of pale light. Our planet is a lonely speck in the great enveloping cosmic dark. In our obscurity, in all this vastness, there is no hint that help will come from elsewhere to save us from ourselves. The Earth is the only world known so far to harbor life. There is nowhere else, at least in the near future, to which our species could migrate. Visit, yes. Settle, not yet. Like it or not,for the moment the Earth is where we make our stand. It has been said that astronomy is a humbling and character-building experience. There is perhaps no better demonstration of the folly of human conceits than this distant image of our tiny world. To me , it underscores our responsibility to deal more kindly with one another, and to preserve and cherish the pale blue dot, the only home we've ever known."
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