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Our Solar System Do Nows and Discussions

Our Solar System Do Nows and Discussions. Do Now: Intro to the Solar System. How big is the solar system? Where does the solar system end? Neptune = Neptune, the Solar System would have a radius of 4.545 billion km and a 9.09 billion km diameter.

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Our Solar System Do Nows and Discussions

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  1. Our Solar System Do Nows and Discussions

  2. Do Now: Intro to the Solar System • How big is the solar system? Where does the solar system end? • Neptune= Neptune, the Solar System would have a radius of 4.545 billion km and a 9.09 billion km diameter. • Sedna=Sednais three times farther away from Earth than Pluto, making it the most distant observable object known in the solar system. It is 143.73 billion km from the Sun, thus giving the Solar System a diameter of 287.46 billion km. • A third way to look at the diameter of the Solar System is to assume that it ends at the edge of the heliosphere. The heliosphere is often described as a bubble where the solar wind pushes against the interstellar medium and edge of where the Sun’s gravitational forces are stronger than those of other stars. The heliopause is the term given as the edge of that influence, where the solar wind is stopped and the gravitational force of our Sun fades. That occurs at about 90 AU, giving the Solar System a diameter of 180 AU. If the Sun’s influence ends here, how could Sedna be considered part of the Solar System, you may wonder. While it is beyond the heliopause at aphelion, it falls back within it at perihelion(around 76 AU).

  3. Do Now: Solar System Review • Which planet has huge iron rick core? Mercury • Which planet has a revolution of 687days? Mars • Which planet’s day is longer than its year? Venus • Which planet has a diameter of 74,898 miles? Saturn • Which planet has the volcano Mat Mons? Venus • Which is the hottest planet? Venus • Which planet has the most violent winds? Neptune • Which planet has soil coated in iron oxide? Mars • Which planet has carbon dioxide ice on its poles? Mars • Which planet has a 98° due to a large impact? Uranus

  4. Grading for End of Earth Project • (30Points) Research- detailed and completed tables • (30 Points) Presentation- your personal statements, facts, knowledge, ORGANIZATION and fun! • Props, customs and accents are highly encouraged!

  5. Do Now: Review for Lab • When was our solar system formed? 4.6 bya • How was our solar system formed and what is the name of this theory? The Nebular Theory state that our solar system formed from a swirling gas cloud (nebula) that was generated from the supernova of a massive star. • What EVIDENCE is there to support this theory? The flat planet to which the planets revolve The characteristics/composition of the planets Central mass- the sun • What is the shape of the orbits of our planets? Elliptical- slightly oval rather than circular • How do dwarf planet orbits differ from Terrestrial and Jovian orbits? The dwarf have more elliptical orbits

  6. Do Now: Review • What are the three categories of planets? Terrestrial Jovian Dwarf • How does the speed of rotation change with mass? It increases with mass, Jovian rotate extremely fast, creating the unique cloud lines • How does the speed of revolution change as we enter the perihelion? The planet will speed up when closest to the sun (observed by Kepler) • What are some of the ways that life could end on earth? • Big Crunch • Big Rip • Aliens • Asteroid • Gamma Ray Burst • Planet X • Sun becomes a red giant

  7. Review of Formation of our Solar System • Why do the inner, terrestrial planets, lack the high gas composition that the Jovian planets have? • What was the shape of our young solar system, before the sun and planets formed? Why?

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