Earth is a big planet, there's space for 7 billion people out there, and available space for more billion of people! But let's look up in the sky and compare the size of earth with other planets and starts that are knowing by the humanity so far. It's amazing, and scary to see the size of them, by seeing the size of the biggest star, we have to see our planet on microscope. For our generations it's unimaginable pretending to explore one of these big stars, but one day maybe humanity can go at these stars, and why not one of them will shine their new planet! P.S They are planet and stars that humanity knows so far, because out there can be many more stars bigger than these.
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