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Kalpana Chawla became the first Indian-born woman to go to space in 1997. Six years later, on February 1, 2003, Chawla died when the space shuttle Columbia broke up on re-entry into Earth’s atmosphere, killing all seven astronauts on board. Chawla’s legacy has lived on, however. In particular, her talent and hard work have inspired … Read more
Sir Isaac Newton contributed significantly to the field of science over his lifetime. He invented calculus and provided a clear understanding of optics. But his most significant work had to do with forces, and specifically with the development of a universal law of gravitation and his laws of motion. Isaac Newton’s early life Born to … Read more
Nicolaus Copernicus proposed his theory that the planets revolved around the sun in the 1500s, when most people believed that Earth was the center of the universe. Although his model wasn’t completely correct, it formed a strong foundation for future scientists to build on and improve humanity’s understanding of the motion of heavenly bodies. Indeed, … Read more