imagine you are astronaut and you are travelling in a spaceship write a diary entry record all that you see in space your experience thoughts about your family the view of Earth from the space
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Hydrogen is the chemical element with the symbol H and atomic number 1. With a standard atomic weight of 1.008, hydrogen is the lightest element in the periodic table. Hydrogen is the most abundant chemical substance in the universe, constituting roughly 75% of all baryonic mass.
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jwab tu nhi ata sorry bro
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