NATS 1745 Lecture Notes - Lecture 11: Tide, Orbital Period, Accelerating Expansion Of The Universe
14 Feb 2018
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Image of earth answer is 380000 years old. Right ascension and declination on march 21st is 0,0. To compare the data with the model in order to. Saros cycle is 18 year cycle where eclipses repeat confirm or disprove the model (the model is subjective) The pi number was estimated by archimedes 250bc. Slide with the bunch of stars on it (we live in the universe wit more than 200 billion galaxies) The universe is not just the galaxy and the universe is expanding. Astrology is different from astronomy and is not a science. We are in an expanding and accelerating universe. We learned about what ancient people thought about the sky and how they used it. What is the root of the word astronomy. We can only see about 2000 stars with our naked eye. Old way constellations are zodiacs or polar constellations. Brightest stars have smallest numbers and faintest stars have biggest numbers.
