PPT-Motion of the Planets

Exam on Monday Ill have a Mock exam to work on Friday Solar Eclipse Fredsexcellenteclipsempg Solar Eclipses Umbra region of total shadow Penumbra region of partial shadow Totality lasts only a few minutes. Historical Perspective. Observations of Indigenous People. Enabling people to track seasons when dependent on agriculture. The Moon’s cycle of phases. The seven days are named after the Sun, Moon, and five recognized planets in ancient times. Lecture 7. By reading this chapter, you will . learn. 4-1. How ancient astronomers attempted to explain the motions of the planets. 4-2 . What led Copernicus to a Sun-centered model of planetary motion. Topic:. Resonances. Lecture by: C.P. Dullemond. Literature: Murray & Dermott „Solar System Dynamics“. What is a resonance?. A resonance is when two characteristic frequencies of a system match up. The basic building block of communication. A sentence must express a complete thought.. Every sentence has two essential parts:. . a subject and a predicate.. Example:. My favorite ballerina. / danced the Swan Queen.. vs.. HELIOCENTRIC. Age of Enlightenment. A . cultural movement of intellectuals in the 17th and 18th centuries, which began first in Europe and later in the American colonies. Its purpose was to reform the way of thinking using reason, challenge related to tradition and faith, and advance knowledge through the scientific method. It promoted scientific thoughts, skepticism and intellectual interchange and completely opposed any kind of superstition. What is Retrograde Motion?. If you were to watch Mars in the night sky over a period of many months, you would notice something unusual. At a certain point in time it would appear as if Mars had stopped and was backing up!. Mr. Ross Brown. Brooklyn School for Law and Technology. Aim: How did early astronomers study our universe?. 21 March 2016. Do now: What evidence do you have that our Earth is round? Use “naked-eye” observations.. c. . Explain why the pattern of stars in a constellation stays the same, but a planet can be seen in different locations at different times.. Constellations and Planets in the Night Sky. Created . for . For many centuries, most people believed that the Earth was the center of the universe. In this . geocentric model. , the Sun, the planets and the stars revolved around the Earth.. MOTION OF THE PLANETS. Part 1. ELIZABETH MEGONIGAL. Ptolemy . (. pronouced. TAHL uh . mee. )- . 140 AD. (Greek . –. astronomer, mathematician, & geographer). He thought that . Earth was the center of the universe and the sun and the other planets revolving around Earth.. Bormann. Honors Science - 8. Lets make some connections…. Aristotle – (384-322 BC). Nicolaus. Copernicus (1473-1543). Tycho. Brahe (1546-1601). Johannes . Kepler. (1571-1630). Galileo . Galilei. What can you see in the night Sky?. Moon- the earth’s only natural satellite. Satellite- is a body that orbits a planet. Planet- an object that orbits the sun. 5 are visible from earth without telescope- mercury, Venus, mars, Jupiter, and Saturn. Observations of Indigenous People. Enabling people to track seasons when dependent on agriculture. The Moon’s cycle of phases. The seven days are named after the Sun, Moon, and five recognized planets in ancient times. Aristotle’s Astronomy (and enough physics to be getting along with). 9/19/13. 1. s. ome pictures of the cosmos. 9/19/13. 2. Celestial phenomena. Motion of the stars, motions of the sun. Look for the daily, or .