Some scientists think that there are intelligent life forms on other planets

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IELTS Essay Topic: Space Exploration

Some scientists think that there are intelligent life forms on other planets and messages should be sent to contact them while other scientists think that is a bad idea and it would be dangerous.

Discuss both views and give your opinion


A group of researchers believe that there are signs of any sort of life in other worlds. Some of them express intention to send detecting signals for a possible alien civilizations in the solar system. However, not all scientists agrees in this idea. To understand the contradicting ideas among scientists, I will discuss both view points and expand my opinion why I certainly think that exposing our selves to other worlds is worth taking.

To start with, many researchers hunt for life in space in a quest to find something that may change the life of human being on earth. Scientists think that in the event of discovery of alien life in the universe, it will bring in valuable benefits to human kind. Firstly, they think that finding life in other planets could help solve environmental issues. Secondly, scientists believe that there will be new technological discoveries that will be discovered because scientists will come up with anything practical to reach their goal such as the GPS technology. 

In contrast, some scientists have warned, nonetheless, that having a contact with an unknown creatures in the outside world can led to destruction of mankind if they happened to be unfriendly. Certainly, there is a possibility of this aliens to become hostile because no universal policy have been written and implemented in the solar system.  Historically, if two different cultures encounter, it always led to the end of the less mighty aboriginal. It is believe that aliens are likely millions of years ahead of earth’s civilization. Obviously, humanity has no match with the aliens sophisticated weapons.

To sump up,  while there is room for valid arguments on both sides, to me, scientists should conduct broad consultation from different groups to gather views from different angles. Although, I am in agreement that this project seems perilous, but I am in favor on the side of not isolating ourselves from the outside world. 


When it comes to IELTS Test, vocabulary is one of the most important skills a test-taker must have. In writing section, having a good grasp of English vocabulary will help you frame and convey your ideas in words using an effective and varied vocabulary. 

  • cosmos
  • hunt
  • quest
  • navigation
  • hostile
  • aboriginal
  • sophisticated
  • perilous
  • extraterrestrial
  • civilization

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