It's most likely fiction. Although there are lots of stories and speculations about alien visits, the scientific community hasn't found conclusive evidence to support it. Most supposed sightings and encounters can be explained by other natural or human factors.
It's fiction. There's no concrete scientific evidence to prove that aliens have actually visited our planet.
Fact. There are many reasons to believe aliens exist. The universe is incredibly vast, with billions of galaxies, each containing billions of stars. It's highly likely that some of these planets could support life. Also, there have been numerous reports of UFO sightings over the years, although not all can be verified. Some of these sightings describe strange objects with capabilities beyond our current technology.
Fact. There are some ancient texts and carvings that seem to depict things that are hard to explain without the idea of alien visitation. For example, some Indian scriptures describe flying machines and strange beings that could be interpreted as aliens.
I think it's more likely to be fiction. Although there are some strange stories and artifacts from ancient times that seem hard to explain, it doesn't necessarily mean aliens were involved. Ancient civilizations had their own creativity and ways of thinking. For instance, the pyramids in Egypt were built by the great engineering skills of the Egyptians themselves, not by aliens as some wild theories suggest.
This science fiction novel was called " Interstellar Rescue " by Liu Cixin. In the novel, aliens descended from interstellar space and provided technology and resources to help mankind develop rapidly. However, in fact, these aliens were sent here by higher-level aliens because they believed that the resources and environment of the earth could not withstand their invasion and rule. With the arrival of aliens, humans began to face a series of dangers and challenges, including alien weapons attacks, internal political struggles, and resource struggles. In the end, mankind fell into a predicament. In order to protect the earth and their homeland, mankind had to fight a decisive battle with the aliens and was eventually destroyed by the aliens. The plot and ending of the novel were full of science fiction elements and pessimism, but it also reflected the courage and tenacity of human beings in the face of the unknown and challenges.
Fiction. There is no conclusive evidence that ancient aliens visited Earth. Most so - called 'proof' consists of misinterpretations of archaeological finds. For example, the Nazca Lines can be explained by the religious and cultural practices of the ancient Nazca people without the need for alien intervention.
I think it's a fact that aliens exist. Just think about how many stars and planets are out there. The odds of Earth being the only planet with life are extremely low. We've only explored a tiny fraction of the universe. And the variety of life on Earth shows that life can adapt to many different environments. There could be forms of life out there that are completely different from what we know. Maybe they're based on different chemistries or have different ways of evolving. So, based on all these reasons, it's very likely that there are other intelligent beings in the universe.
Fiction. There is no scientific evidence to support the existence of a hollow earth. Modern seismology, for example, shows that the earth has a solid inner core, a liquid outer core, a mantle, and a crust. These layers are well - studied through various methods like earthquake wave analysis. The idea of a hollow earth is more of a science - fiction concept that has no basis in real geological knowledge.
It's fiction. There is no scientific evidence to support the idea of a hollow earth. Modern seismology, for example, shows that the Earth has a solid inner core, a liquid outer core, a thick mantle, and a crust. All the data from deep - earth studies indicate a solid, layered structure rather than a hollow one.
Fact. Recent scientific discoveries have increased the likelihood of aliens being real. For instance, the discovery of exoplanets has shown that there are many planets out there with similar conditions to Earth. These planets are in the so - called habitable zone, where the temperature and other conditions might be suitable for life. Also, the study of extremophiles on Earth has shown that life can exist in very unexpected places, which broadens the scope of where we might find alien life.
It's fiction. 'After Earth' is a science - fiction movie that presents a post - apocalyptic Earth scenario which is not based on current scientific facts but rather on creative imagination for the sake of entertainment.