মহাবিশ্বে আমরা কি একা? 
প্রকৃত সত্য আমরা হয়তো শীঘ্রই জানতে পারব, যখন বিজ্ঞান এবং প্রযুক্তি আমাদের আরও দূরে এবং গভীরে নিয়ে যাবে।
Are we alone in the universe?
Have you ever wondered if we are alone in this vast universe? There are about 100 billion stars in our Milky Way galaxy, and about two trillion galaxies in the entire universe. Each galaxy has countless planets, and many of those planets are located in the “habitable zone” suitable for life like us.
Scientists have found thousands of exoplanets. Some planets are in places where water can exist in liquid form, which is essential for life. Asteroids like Mars, Europa, and Enceladus may harbour microbial life beneath their icy surfaces.
Although there is no direct evidence yet that there is life on other planets, mysterious signals such as the “Wow! Signal” and UFO/UAP reports are increasing our curiosity.
So, given the vastness of the universe and the countless possibilities, we may not be alone. Or, if we are alone, we are truly the rarest and most valuable life in this universe.
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