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Galileo Galilei was an Italian astronomer and physicist who lived between 1564-1642. He was the first person to use a telescope to look at the sky. He discovered sunspots, craters and peaks in the moon ...Read more
Mars, the Red Planet, is like Earth in many ways. Mars has huge volcanoes, gigantic canyons, and polar ice caps. The fourth planet from the Sun, Mars is smaller, colder, and drier than Earth ...Read more
12/5 Werner Heisenberg, a German physicist, was born on this date in 1901 Details
12/7 Gerard Kuiper, an American astronomer, was born on this date in 1905 Details
12/10 Ada Byron, Countess of Lovelace, a British mathematician, was born on this date in 1815 Details