Presentation on theme: "Chapter 11: Pluto and Dwarf Planets. Pluto: Ruler of the Underworld Pluto was discovered by Clyde Tombaugh in 1930 by comparing one image of the sky taken."— Presentation transcript:
Strange planet; located far out from the Sun with gas giants but small size and very elliptical and highly inclined orbit Pluto is a mixture of ices and rocks composition similar to satellites of giant planets than terrestrial planets Could be captured Kuiper Belt Object (e.g. comet)?
A “dwarf planet is” a celestial body that: (a) is in orbit around the Sun, (b) has a nearly round shape (c) and is neither a star, a planet, or a moon 40 + Dwarf Planets !
Should Pluto be a Planet? Write down the three characteristics of a planet. Why is Pluto not a planet anymore? What type of object is it? In your opinion, should we keep Pluto as a planet? Why or why not?