PPT-Outer Planets

The outer planets are called Jovian or Jupiterlike 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. 0. Topic: . Exoplanets. Concepts: . Infrared observations, debris disks, . exoplanet. detection, planetary systems. Missions: . Spitzer, Herschel. Coordinated by . the NASA Astrophysics . Forum. An Instructor’s Guide for using the slide sets is available at the ASP website . 0. Topic: . Exoplanets. Concepts: . Infrared observations, debris disks, . exoplanet. detection, planetary systems. Missions: . Spitzer, Herschel. Coordinated by . the NASA Astrophysics . Forum. An Instructor’s Guide for using the slide sets is available at the ASP website . 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. Winter 2012. Mercury. James . Pluim. & Eddie Lopez. . Facts about Planet . Mercury. Mercury is the fastest moving planet in our Solar System and is the nearest planet to the Sun. Mercury is one of the four terrestrial planets, being a rocky body like the Earth. It is the smallest of the four.. 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. 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. Solar System:. The sun and all of the planets and other bodies that travel around it. Planet. A celestial body that orbits the sun, is round because of its own gravity, and has cleared the neighborhood around its orbital path. First things first…. Rotation. . – a circular movement of an object around a . center. (or . point. ) . of rotation; rotation around an axis. Sidereal Day – The time it takes for a planet to make one . 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 . Protoplanetary. disk: condensation and accretion. Solar wind (beginning of fusion). Collisions continue. Planetary migration (orbits shifting). Late Heavy Bombardment (Hadean Era). Planetary Evolution. The Solar System. Identify planets by observing their movement against background stars.. Explain that the solar system consists of many bodies held together by gravity.. Objectives. The solar system consists of the planets, their moons, and many other bodies orbiting the Sun.. SOLAR SYSTEM: all of the planets, 
moons, comets, and rocks that travel 
around the Sun. GALAXY: giant collection of gas, dust, 
and trillions of stars. Milky Way: our galaxy. Planet Sizes. PLANETS.