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Exploring The Universe's Formation and Earth's Uniqueness

Dive into the science of the Universe's formation and Earth's distinct characteristics in this study area. From the Big Bang theory to planetary differentiation and Earth as a unique biosphere, discover the wonders of the cosmos. Explore topics like the Milky Way galaxy, the origin of the solar system, and the Earth system science. Study the impact of the four forces of nature and the various planetary cycles that shape our world. Get ready for a fascinating journey through the mysteries of space and our extraordinary planet.

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Exploring The Universe's Formation and Earth's Uniqueness

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  1. Homework 3 due Thursday 17th or Tuesday 22nd

  2. Study Area Felmley Hall 203 Lab Samples Practice Lab Exam

  3. The Universe and Solar System

  4. Reigning Theory of the Formation of the Universe Big Bang

  5. Four Forces of Nature 1.Gravity 2. Strong 3. Weak 4. Electromagnetic

  6. The Milky Way Galaxy

  7. The Milky Way Galaxy Earth

  8. Origin of the Solar System Nebular Theory Swirling Cloud of Star Dust Rotating Cloud Flattens into a Disk Condensation and Accretion

  9. Once a protostar has become a hydrogen-burning star, a strong stellar wind forms, usually along the axis of rotation. Thus, many young stars have a bipolar outflow, a flow of gas out the poles of the star. This is a feature which is easily seen by radio telescopes. This early phase in the life of a star is called the T-Tauri phase.

  10. Our Solar System Rocky Planets Gaseous Planets

  11. Planetary Differentiation During the time of partial melting, all the terrestrial planets separated into three layers of differing physical and chemical composition. • Crust - outer layer • Mantle - middle layer • Core - center

  12. Uniqueness of Earth

  13. Uniqueness of Earth • Water in 3 phases – Hydrosphere • Solid • Liquid • gas

  14. Uniqueness of Earth • Biosphere • plants and animals

  15. Uniqueness of Earth • Plate Tectonics - crust, mantle, and core • are in motion

  16. Why are there so few impact craters visible on Earth?

  17. Earth System Science The Earth can be divided into individual parts (systems) to be studied, but it is recognized that each part interacts with many other parts. The boundaries of a system can be defined however you want. Systems are defined by how energy and matter cross the boundaries.

  18. 3 Types of Systems Isolated - no mass transfer - no energy transfer Closed - no mass transfer - energy transfer Open- mass transfer - energy transfer

  19. Types of Systems The Earth (almost) Doesn't Exist The Atmosphere

  20. Earth's Major Subsystems - the 4 spheres Biosphere Lithosphere Hydrosphere Atmosphere

  21. Major Earth Cycles Energy and matter are exchanged between cycles

  22. Water Cycle

  23. Tectonic Cycle

  24. Tectonic Cycle

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