The Claims: The new limited-time California Whopper is a quarter-pound burger topped with ripe tomatoes, crisp lettuce, guacamole, crispy bacon, melted Swiss cheese, creamy mayo and onions all on a toasted sesame seed bun (820 calories).
First published Fri Mar 4, 2005; substantive revision Wed May 10, 2017. Galileo Galilei (1564â1642) has always played a key role in any history of science and, in many histories of philosophy, he is a, if not the, central figure of the scientific revolution of the 17th Century. His work in physics or natural philosophy, astronomy, and the methodology of science still evoke debate after over 400 years.
Hence, prior to the invention of the telescope, nothing was known about the planet besides its position on the sky. The Italian scientist Galileo Galilei was the first person known to use a telescope to make astronomical observations. His records indicate that he began observing Mars through a telescope in September 1610.