Geo101.02.Cosmos[1]

Geo101.02.Cosmos[1] - ATMOSPHERE Interplay of Earths...

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1 GEO / LITHOSPHERE Earth’s rocks from surface to core - solid, semi-solid, and molten ATMOSPHERE Earth’s envelope of air BIOSPHERE Earth’s living things - microorganisms, plants, and animals HYDROSPHERE / Cryosphere Earth’s water - solid, liquid, and gas Earth’s Systems Atmosphere Biosphere Geosphere Hydrosphere Mt. Pinatubo Eruption Modifed From ESSEA an example Interplay oF Earth’s Systems The Earth System is all the parts, systems and/or subsystems and cycles oF our planet and their interactions. Some uniFying themes oF the course… • The Earth is a Planet • The Earth is very old • The Earth is a unique, evolving system • Internal and external processes interact at Earth’s surFace • Earth’s systems interact • Geologic phenomena aFFect our environment / daily liFe • The scientifc method, the basis For all sciences, is the Foundation oF geology and how we derive and understand its complexities • Geology is not a static science, new discoveries are made every day What is Earth’s place in the cosmos… This view oF the Earth rising over the Moon's horizon was taken during the Apollo 11 mission in 1969. The lunar terrain pictured is in the area oF Smyth's Sea on the nearside. While the Lunar Module "Eagle" was on the surFace to explore the Sea oF Tranquility, the Command and Services Module "Columbia" remained in lunar orbit. Earth
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2 Earth Earth Earth from Space This is the Frst image ever taken of Earth from the surface of a planet beyond the Moon. It was taken by the Mars Exploration Rover Spirit one hour before sunrise on the 63rd Martian day, or sol, of its mission. Earth from Mars The Earth and Moon seen from the Mars Global Suveyor (NASA/JPL) Solar Nebula.jpg What about our Solar system? Solar Nebula Model Big Bang.jpg Approximately 14 billion years ago You are here!
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3 What does the solar system consist of? Element of the Solar System.jpg Elements of the Solar System ….current measurements indicate that 75% of the mass of the Universe is in the form of hydrogen, 24% in the form of helium and the remaining 1% in the rest of the periodic table (note that your body is made mostly of these `trace' elements). Element of the Solar System.jpg Elements of the Solar System Its harder and harder to make nuclei with higher masses (because more protons mean more positive charge and more electrostatic repulsion). So the most common substance in the Universe is
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Geo101.02.Cosmos[1] - ATMOSPHERE Interplay of Earths...

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