On aliens several movies are made in Hollywood,
In maximum movies , aliens come on earth with bad intentions
They come here to get precious metals of earth and to capture the planet
But the question is that , if aliens are there , why would they contact us
In time report, it is mentioned
The astrophysicist luis dartnel tells the reason of their contact
They believed that due to curiosity about humans, they will contact us
If they come to earth, their main motive will be research on earth
They will come to see the life forms and conditions of the planet , like we researched on other planets
Universe discoveries 
Interesting question and I like the picture 🥰🥰
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Thanks
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Since the universe is ever expanding, there is a probability of life that we, as humans on earth, would consider being in the future. But for those who we consider in the future, would consider us in the past. Could those ahead of us be far enough advanced to be able to space travel as easily as we travel by plane across the earth? The possibility is there.
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Yes it is possible because light to travel here from this galaxies take billions of years , so if they are looking at us by a telescope they were seeing dinosaurs, that’s why they are not coming
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