PPT-The Planets

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 . 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. Dr.. Jade Carter-Bond. (Lillian’s Daughter). U3A. 6 June, 2012. Extrasolar Planets:. What they are, what we know about them, why we should care, where ET lives (just kidding!) what I’ve been doing for the last 12 years and why your tax dollars should continue to help. 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.. 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. Exam on Monday. I’ll have a Mock exam to work on Friday. Solar Eclipse. Freds_excellent_eclipse.mpg. Solar Eclipses . Umbra. – region of total shadow. Penumbra. – region of partial shadow. Totality lasts only a few minutes!. E.ST.05.21. Describe the motion of planets and moons in terms of. rotation on axis and . orbits.. Advanced Note-Taking Practice 101! . Every time you see something typed in . YELLOW. …you need to write it down. . What factors exists on Earth that make life possible here, but unlikely on any other planet?. Which planets in the solar system are called the “gas giants” and why?. In general, what condition on the planets is MOST affected by its distance from. 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. 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. . 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.