Astronomy & Our Lives or… What could learning about the planets and stars possibly have in common with my life now?? Astronomy & Our Lives There are more connections between astronomy than you realize… • Days of the Week? • Months of the Year? • Time itself! • Words, words, words, • Products, products, and more products • A sense of who we are. Seven Days of the Week Sunday Monday Tuesday Wednesday Thursday Friday Saturday - the Sun’s day, of course the Moon’s day ? ?? ??? ??#$ ???%^? Seven Days of the Week Sunday Monday Tuesday Wed Thurs Friday Saturday Domingo Lunes Martes Miercoles Jueves Viernes Sabado Dimanche Lundi Mardi Mercredi Jeudi Vendredi Samedi Sun Moon Mars Mercury Jupiter Venus Saturn Seven objects are easily seen to move in regular patters in front of the stars across the skies during the year Moonths of the year… A “month” of time is around the same time as it takes the moon to repeat its phases from full to full. Many cultures still use lunar calendars for religious festivals • Easter • Ramadan & Islamic New Year • Chinese New Year • Tết Time itself… “Clockwise” from the motion of the sun’s shadow over a sundial! Early morning sun casts a shadow towards the “9” side of a clock face… Time itself… By noon, the overhead sun casts a (smaller) shadow towards the “12” side of a clock face… Time itself… By afternoon, the setting sun casts a (longer) shadow towards the “3” side of a clock face… Words, words, words… “aster” = star (from Latin) • Astronomy, Astrology • Disaster! “dis-aster” – going against the stars can be bad! “cosmos” = order • Cosmology – the study of the order of the universe • Cosmetics – putting your face “in order” “Meteorology” – the study of weather? Products, products, products! Cars • • • • Ford: Taurus, Galaxy, Mercury Comet… Chevy: Astrovan, Nova, Vega… Plymouth Satellite, Pontiac Sunfire, Oldsmobile Starfire… Subaru, Saturn… Food • Sunchips, Sunny Delite, Mars bars, Moon cakes, Starkist Products & Companies • Comet cleanser, SUN mirosystems, Visa STAR network… TV & Movies galore… A sense of who we are… Astronomy allowed us to develop agriculture, create calendars, maintain our history, navigate, explore… Trying to understand nature led us to develop technologies absorbed into our culture… • Lasers, GPS, Cell Phones, Computers • Weather Satellites, Velcro, Tang… Key Questions for YOU… How does science work? What do we gain, as humans, by asking questions of Nature? Is the quest for knowledge worth the costs?