The Beauty of Astronomy
<p>The jingling hydrogen atoms in the heart of stars collide, forming helium, then carbon, and finally iron. Stars contain different elements, for instance, hydrogen, carbon, and to iron. Iron’s weight (binding energy) prevents fusion with other iron atoms and makes stars unstable, leading to catastrophic supernova explosions, shining the entire galaxy. Afterward, elements disperse as a cloud of nebulae gas, eventually forming new stars, continuing the cycle.</p>
<p>Our Earth formed similarly. Long ago, the mother of our sun died, and her remnants became our sun, Earth, and other siblings. We, humans, are predominantly composed of carbon and hydrogen, which were born in the heart of a star. Our bodies contain blood, organs, and chemicals that are the same organic compounds derived from the Sun’s mother to our mother to us. So intrinsically, our bodies are linked to the stars; That’s what Carl Sagan meant by saying, “We are made of stardust.”</p>
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