NATS 1560 Lecture Notes - Lecture 1: Small Solar System Body, Lithosphere, Hydrosphere
8 Feb 2017
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Two main types: inner rocky planets mercury, venus, earth and mars, outer gas giants. Under the now official definition, pluto, eris, ceres makemake and haumea are now considered dwarf planets. A selection of dwarf planets, sometimes considered trans neptunian objects depending on their interactions with the planet neptune. Other objects- small solar system bodies like comets and asteroids. Spectacular in appearance when it comes to earth. Moons: earth and mars have moons as do all the planets in the outer solar system (mercury and. Orbits another solar system body otherwise no difference between moon and sun. The sun: our star that provides most of the energy that powers life and climate on earth. Suns gravity that holds everything else into place, gravity creates this system. For solar system objects some additional references: www. nineplanets. org, www. solarviews. com. Until recently there was no official definition for planet . Mercury, venus, mars, jupiter and --- are visible to the naked eye.
