Aliens Exist

Introduction

The main purpose of this paper is to analyze the existence of aliens. The paper is a discussion of arguments both in favor and against the existence of aliens. There are different scientists believing that there is an existence of aliens in the planets. These scientists provide different logical reasoning for confirming the presence and existence of aliens in the planets. On the other hand, there are different believers who think that there is no existence of aliens.

Arguments in Favor of Aliens

Since thousand years, people are claiming to observe and monitor the movement of strange things in sky. Different people who have visited the sky claim that they have seen the movements of non-human beings and have seen them, performing on skies. According to the different group of scientists who have visited the skies, they have seen different alien crafts and aliens on the ancient coins (A'Hearn, 258). They also claim that they have found the ancient artwork and drawings on cave walls. There are also some evidences of different drawings and image of non-humans. There are countless photos and videos of space craft claiming the presence of aliens in the world. As evidence, there is also a video tape of alien autopsies which have been presented by the military. Thus, these are the different arguments claiming the existence of aliens in universe.

With so many stars, alien life is probable

According to the notes presented by Shostak, the life beyond earth cannot be proved directly, but the presence of millions of stars on universe can be a biggest proof of alien's presence on earth. There are multiple past researches claiming the presence of 50% of the stars harbor planets. According to the estimations presented by Shostak, there are almost 1 trillion planets surviving in the world (Hoyle, 610). He has further argued that it is very sure that some of these planets are going through the same conditions of developed life as Earth and this is considered to be a sentient life. The arguments made by Shostak are considered to be an evidence of alien's existence in planets. As per Shostak, it cannot be possible that human beings are the only intelligent beings in the galaxy (Gibson, 91). There are definitely some other creatures on other planets as well. He has provided an example of Hubble Space Telescope showing the presence of millions of stars in the galaxy which confirms the presence of aliens in other planets.

Shostak along with his fellows at the SETI Institute have also presented the connection of world's largest telescope in order to monitor the distant stars and confirm the communications of aliens. Even though few alarms have been raised as a result of their searches, but the dismissing of signals have also been observed because of the human interference including noise from a passing satellite. Though, the contract was still vague, but the scientists have kept on searching without any fear. As a result of their continuous searches they have found some signals ...