PPT-MOTION OF THE PLANETS

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. The milky way. (seen from Bryce Canyon, UT). The Solar System. ?. “A . system. is a set of . interacting. or interdependent. components . forming an integrated whole” (Wikipedia). The Solar System. To Be A Planet, Or Not To Be?. Physical Characteristics . 5 - Recognized Dwarf Planets. Ceres, Pluto, . Haumea. , . Makemake. , Eris. Classification Criteria. Directly orbits the Sun (not a satellite). 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. The outer planets are called Jovian or Jupiter-like.. These planets are made of gas and are several times more massive than the Earth.. The Jovian planets grew to present size in about 10 million years.. http://www.cs.wright.edu/~tkprasad. Prasad. 1. U3_SolarSystem. SOLAR SYSTEM. The Sun. Prasad. U3_SolarSystem. 3+ Dwarf Planets . Over 150 . moons . /. satellites of the . planets. Comets, meteors, asteroids,. Lecture by C.P. Dullemond. Institute for Theoretical Astrophysics. Heidelberg University. Image . Credit. : NASA. The Big Questions. After C. Mordasini. > 10 billion galaxies in the Universe. 100 billion stars in each. 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.. ASTR 101. Prof. Dave Hanes. The . Moon. ’. s . Baleful Influence . (?. ). Crime . rates, . homicides, . birth rates, acts of. ‘. lunacy,. ’. t. raffic a. ccidents. , etc…. http. ://skepdic.com/fullmoon.html. By AJ, Aidan, Cheryl, and Emma. The Dwarf Planets. A dwarf planet is a smaller planet that shares an orbit around the sun such as an asteroid comets.. Scientists believe there may be as many as a few 100 other dwarf planets in the . The milky way. (seen from Bryce Canyon, UT). The Solar System. ?. “A . system. is a set of . interacting. or interdependent. components . forming an integrated whole” (Wikipedia). The Solar System. Sergei . popov. Sizes and masses. 1312.3323. Radius vs. mass. 1604.07558. Results of modeling.. Old (relaxed) planets.. Colors correspond to . different fractions . of light elements.. Light elements contribution. Protoplanetary. disk: condensation and accretion. Solar wind (beginning of fusion). Collisions continue. Planetary migration (orbits shifting). Late Heavy Bombardment (Hadean Era). Planetary Evolution. The four planets closest to the sun are known as the inner planets. Mercury, Venus, Earth, and Mars. Mercury. This picture of Mercury was made by joining many smaller photos taken by . Mariner 10. . No photos were taken of the area that looks smooth. .