PPT-Earth is only one of the planets in our solar system. There are seven other planets that

Mars Venus Earth Jupiter Mercury Saturn Uranus Neptune Our Home Planet Earth our home planet is the third planet from the Sun and the fifth largest planet in the Solar System Earth is 150 million kilometres from the Sun. 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. By Joey Quattrini. Our solar system includes . 8. different planets.. The solar system is very, very big. You could say massive also.. The solar system has cold planets and warm planets.. The Sun. The sun is the star that keeps our planet warm and bright.. Ch 27. Questions??. What are some theories about how our solar system began?. The Nebular Hypothesis. solar nebular. a rotating cloud of gas and dust from which the sun and planets formed. In 1796, French mathematician . Chapter 23. 23.1 The Solar System. 99.85%. of the mass of our solar system is in the Sun, planets make up the rest.. Gravity holds planets in orbit.. Overview of the Planets. . Terrestrial planets. How do we know the Earth goes around the Sun?. Recap/Announcements. Canvas assignment due today . Moon motions in the sky due . Campus observatory. Midterm 9/27. Appearance . and motions of objects in the sky:. Ag. Earth Science . Ms. Weigel. 23.1 The Solar System . The Planets: An Overview. Two Groups of planets. Terrestrial Planets- Mercury, Venus, Earth and Mars- relatively small and rocky . Jovian Planets- Jupiter, Saturn, Uranus, and Neptune- are huge gas giants. Ninth Edition. Neil F. Comins • William J. Kaufmann III. CHAPTER 5. Formation of the Solar System. and Other Planetary Systems. A montage of the planets in our solar system presented in correct relative sizes. The orbits in the background are also drawn to scale.. 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. . . 5,880,000,000,000 . miles or . 5.88 trillion miles.. The Milky Way. The Greek philosopher Democritus (450–370 BC) proposed that the bright band on the night sky known as the Milky Way might consist of distant stars. Aristotle (384–322 BC), however, believed the Milky Way to be caused by "the ignition of the fiery exhalation of some stars which were large, numerous and close together" and that the "ignition takes place in the upper part of the atmosphere, in the region of the world which is continuous with the heavenly motions.“ The . How are the geocentric and heliocentric models of the solar system different?. . Models of the Solar System. In a geocentric model, Earth is stationary while objects in the sky move around it.. . In a heliocentric model, Earth and the other planets revolve around the sun.. The Greek philosopher Democritus (450–370 BC) proposed that the bright band on the night sky known as the Milky Way might consist of distant stars. Aristotle (384–322 BC), however, believed the Milky Way to be caused by "the ignition of the fiery exhalation of some stars which were large, numerous and close together" and that the "ignition takes place in the upper part of the atmosphere, in the region of the world which is continuous with the heavenly motions.“ The . Ingredients?. Planets. Their Moons, Rings. Comets. Asteroids. . Meteoroids. . Kuiper Belt Objects. The Sun. A lot of nearly empty space. Solar System Perspective. Orbits of Planets. All orbit in same . 2015-2016. Earth’s movement is constant!. Earth’s orbit. Sun is at the center. Orbit: movement of an object around another. ex: Earth orbits the Sun.. Elliptical: oval shaped. Revolution: 1 full orbit of Earth around Sun. . Our solar system is ancient. . Early . astronomers believed that Earth was the center of the universe and all other heavenly bodies orbited around Earth.. Our Solar System. We now know that our sun is the center of our solar .