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Yes, the Earth is not very large in the first place, and there are millions of planets about the size of the Earth in the vast solar system, so it is not very surprising that the Earth is like a small bright spot.
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The universe is big and expanding. We think that the solar system is very large, and the earth is only one planet in the solar system, and he also has 7 "brothers" and a boss, the sun. So looking at the Earth in the solar system from a distance is only a small bright spot.
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Because Voyager 1 was very far away from Earth when it was about to fly out of the solar system, it looked like Earth was just a small bright spot.
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The farthest probe we humans have flown is Voyager 1, which we all know is already 22 billion kilometers away from Earth. It holds the message of our planet, the greeting of our human civilization. That was the first step for human civilization to introduce itself to the universe.
Voyager 1 is halfway through its mission, helping us explore Jupiter, Saturn, and Uranus, and the next hope will help humanity explore the solar system.
The boundaries of the solar system are not uniformly defined on this boundary. There are several ways of saying this in academic circles. It is bounded first by the far reaches of the orbit of Neptune, the outermost planet.
Second, it is bounded by the Oort cloud region outside Neptune. Because sometimes comets suddenly enter the core region of the solar system. Then, bounded by the macroscopic gravity of the solar system, the boundary radius can reach more than one light-year.
Scientists have found that there is still a marginal spheroid between the Kuiper Belt and the Oort Cloud. This is supposed to be the edge of the solar system. If this is the boundary, Voyager 1 did leave the solar system and enter interstellar space.
Voyager 1 is an unmanned space probe for the solar system. Weighing 815 kg, it was launched on September 5, 1977 and worked normally until June 2020. I have visited Jupiter and Saturn, the first spacecraft to offer the high resolution of this moon in clear **.
Its main mission passed through the Jupiter system in 1979 and the Saturn system in 1980, ending on November 20, 1980. It is also the first probe to provide detailed information on Jupiter, Saturn, and moons. From now on the farthest artificial satellite from the Earth.
To date, Voyager 1 is 21.1 billion kilometers from the Sun.
To sum up, according to scientists, Voyager 1 still has enough energy to support interstellar flight and maintain contact with Earth, but after 2025, Voyager 1 will completely lose contact with Earth and become a wandering probe floating in the universe.
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It did not fly out of the solar system, because there are no uniform rules for the boundaries of the solar system, there are different divisions, and according to science, Voyager 1 did not fly out of the solar system.
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Probably not. Because the solar system is very large, it is difficult for current science and technology to meet such requirements.
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No. Because people don't know how big the solar system really is, this machine doesn't fly for too long.
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Humans are still in contact with Voyager 1 via radio waves, but it is no longer possible to monitor the flight footage, and the distance of the flight is too far to be fully monitored.
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Humans currently communicate with Voyager 1 through faint radio waves. And in the process of contact, it is no longer possible to monitor the normal flight screen.
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Humans rely on electromagnetic waves to keep in touch with it, and it's easy to operate, and Voyager 1 has been emitted for a long time, so I admire the scientists.
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By receiving emitting signals to stay connected, humans have developed tools that can connect in space.
It may be because our technology is not enough, and we have not yet found a theoretical technology that can match the solar system.
We all know that the earth is the only planet where human beings can live and live until now, and the number of people living on the earth is also very large. However, with the development of science and technology, human beings have gradually shifted their attention to other planets, hoping to find a "second earth", and at the same time, they also hope to find other alien civilizations in addition to human civilization. So, humans invented Voyager 1 and Voyager 2 to explore space. >>>More
This is due to the mutual attraction of the planets in the solar system.
Pioneer 10 and 11 and Voyager 1 and 2, after exploring Jupiter, Saturn, Uranus and Neptune, crossed Pluto's orbit in June 1989, February 1990, November 1988 and October 1989 respectively and began to fly out of the solar system to visit "aliens" and extraterrestrial civilizations in the Milky Way.
It is powered by three radioisotope thermoelectric generators**. Of course, after flying out of the solar system, it is accelerated by the gravitational adjustment orbit of other planets.