For centuries, people have looked up at the sky and the stars and wondered: Do aliens exist? Are we alone in this universe? The idea of aliens - little green men, superintelligent beings, giant squids and more - has always been fascinating for humans. But is there any proof that could mean aliens exist? Or are these ideas just fuelled by sci-fi movies? So let's dive into this big, mindblowing mystery! 1. The Universe is HUGE! First, let me give you an idea of how TREMENDOUSLY GIGANTIC our universe is: The universe is ridiculously big - Our galaxy, the Milky Way, has over 100 billion stars, and there are more than 2 trillion galaxies in the whole observable UNIVERSE! That means there could be more than septillion planets in the whole universe, which makes it seem unlikely that Earth is the only place where life exists. 2. Alien Hunting Scientists have been searching for alien life for more than decades. Some organisations like SETI (Search for Extraterrestial Intelligence) us...
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