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Galileo Galilei was an Italian astronomer, physicist, and engineer whose pioneering observations and experiments laid the foundation for modern physics and astronomy. His support for the heliocentric model of the solar system and use of the telescope to study celestial bodies challenged established doctrines and marked a significant shift in scientific thought during the Renaissance.
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Heliocentrism is the astronomical model that places the Sun at the center of the solar system, with Earth and other planets orbiting around it. This model, which replaced the geocentric model, was pivotal in the advancement of modern astronomy and was popularized by figures like Copernicus and Galileo.
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A telescope is an optical instrument designed to make distant objects appear nearer, containing an arrangement of lenses or mirrors or both that gathers visible light, allowing for detailed observation of celestial bodies. It plays a crucial role in astronomy, enabling the study of planets, stars, and galaxies far beyond the capabilities of the naked eye.
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The scientific method is a systematic approach to inquiry that relies on empirical evidence, observation, and experimentation to formulate and test hypotheses. It is fundamental to scientific research, ensuring that conclusions are based on reproducible and objective findings rather than subjective beliefs.
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Inertia is a fundamental property of matter that describes an object's resistance to changes in its state of motion or rest, as described by Newton's First Law of Motion. It is directly proportional to an object's mass, meaning the greater the mass, the greater the inertia, and thus the more force is required to alter its motion.
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Astronomy is the scientific study of celestial objects, space, and the universe as a whole, aiming to understand their origins, evolution, and fundamental processes. It combines observational techniques with theoretical modeling to explore phenomena ranging from planets and stars to galaxies and cosmic microwave background radiation.
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Physics is the fundamental science that seeks to understand the nature and behavior of matter and energy in the universe, covering phenomena from the smallest subatomic particles to the largest cosmic structures. It provides the foundational principles that underpin other sciences and technologies, offering insights into the laws governing the physical world and enabling advancements in various fields.
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The Renaissance was a pivotal period in European history, spanning from the 14th to the 17th century, characterized by a renewed interest in classical art, literature, and learning, which led to profound cultural and intellectual transformations. It marked the transition from the medieval era to the modern age, fostering advancements in art, science, and humanism that laid the foundation for the modern Western world.
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Experimental science is a systematic approach to understanding the natural world through controlled experimentation and observation, allowing researchers to test hypotheses and establish cause-and-effect relationships. It is fundamental to scientific inquiry, driving advances by providing empirical evidence that supports or refutes theoretical models.
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The Copernican Revolution was a pivotal shift in astronomy initiated by Nicolaus Copernicus, who proposed a heliocentric model of the universe, challenging the long-held geocentric view. This revolution fundamentally altered humanity's understanding of its place in the cosmos and laid the groundwork for modern astronomy and the scientific method.
GNSS (Global Navigation Satellite System) is a satellite-based system that provides geolocation and time information to a GNSS receiver anywhere on Earth, as long as there is an unobstructed line of sight to four or more satellites. It encompasses various satellite constellations like GPS, GLONASS, Galileo, and BeiDou, offering global coverage for navigation, mapping, and timing applications.
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