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- https://geo.libretexts.org/Courses/Lumen_Learning/Earth_Science_(Lumen)/15%3A_Stellar_Evolution_and_Our_Sun/15.04%3A_The_Sun_and_the_Earth-Moon_SystemThis page provides an overview of the solar system, highlighting the roles of the Sun, planets, moons, and other celestial bodies. It discusses Copernicus' heliocentric model, Earth's rotation and axi...This page provides an overview of the solar system, highlighting the roles of the Sun, planets, moons, and other celestial bodies. It discusses Copernicus' heliocentric model, Earth's rotation and axial tilt, which cause day/night cycles and seasons. The text explains the Moon's phases, its influence on Earth's tides, and how eclipses occur. Additionally, it includes review questions and vocabulary related to these astronomical concepts.
- https://geo.libretexts.org/Courses/Lumen_Learning/Earth_Science_(Lumen)/17%3A_The_Solar_System/17.01%3A_Introduction_to_the_Solar_SystemThis page outlines the historical progression of our understanding of the solar system, starting with the geocentric model of the ancient Greeks, transitioning to the heliocentric model by Copernicus,...This page outlines the historical progression of our understanding of the solar system, starting with the geocentric model of the ancient Greeks, transitioning to the heliocentric model by Copernicus, and refined by Kepler and Galileo. It describes the solar system's structure, which includes eight planets, dwarf planets, and numerous moons and asteroids, with the Sun being the largest mass. The formation of the solar system is explained by the nebular hypothesis.
- https://geo.libretexts.org/Courses/Lumen_Learning/Earth_Science_(Lumen)/17%3A_The_Solar_System/17.04%3A_Other_Objects_in_the_Solar_SystemThis page explores celestial objects such as asteroids, comets, meteors, and meteorites, detailing their origins and characteristics. It highlights the asteroid belt's position, the formation of comet...This page explores celestial objects such as asteroids, comets, meteors, and meteorites, detailing their origins and characteristics. It highlights the asteroid belt's position, the formation of comets in the Kuiper belt and Oort cloud, and the classification of Pluto and other dwarf planets by the International Astronomical Union. The page underscores the significance of ongoing research in our solar system, examining the potential hazards and opportunities linked to these cosmic remnants.
- https://geo.libretexts.org/Courses/Lumen_Learning/Earth_Science_(Lumen)/15%3A_Stellar_Evolution_and_Our_Sun/15.03%3A_The_SunThis page details the Sun's composition, structure, and significance in the solar system. It primarily consists of hydrogen and helium, with layers including the core, radiative, and convection zones....This page details the Sun's composition, structure, and significance in the solar system. It primarily consists of hydrogen and helium, with layers including the core, radiative, and convection zones. Key phenomena such as solar flares, sunspots, and solar wind are explained, along with the implications of nuclear fusion changes. The Sun's energy is vital for life on Earth, influencing heat, light, and photosynthesis.
- https://geo.libretexts.org/Courses/Lumen_Learning/Earth_Science_(Lumen)/10%3A_Geologic_History/10.05%3A_Early_EarthThis page envisions a film chronicling Earth's 4.5 billion-year history, detailing its transition from an inhospitable state to a thriving biosphere. It highlights significant geological transformatio...This page envisions a film chronicling Earth's 4.5 billion-year history, detailing its transition from an inhospitable state to a thriving biosphere. It highlights significant geological transformations, the emergence of life through simple organisms like cyanobacteria that enriched the atmosphere with oxygen, and the resultant formation of the ozone layer.
- https://geo.libretexts.org/Courses/Lumen_Learning/Earth_Science_(Lumen)/16%3A_Light_and_the_Sun/16.03%3A_TelescopesThis page covers the evolution of astronomical observations, from Galileo's discoveries supporting the Copernican model to modern telescopes that utilize the electromagnetic spectrum for detailed anal...This page covers the evolution of astronomical observations, from Galileo's discoveries supporting the Copernican model to modern telescopes that utilize the electromagnetic spectrum for detailed analysis of celestial objects. It details different telescope types—refractors, reflectors, and space telescopes—highlighting advancements in technology that enhance our understanding of the universe.
