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Aphelion and Perihelion: Key Concepts in Orbital Mechanics Abstract Aphelion and perihelion represent fundamental astronomical phenomena that describe the elliptical orbits of celestial bodies around the Sun. These terms refer to the farthest and closest points, respectively, in an object’s…
Introduction The liquid state of matter is one of the most familiar forms of matter in the natural world. From the water we drink to the blood that flows through our veins, liquids are essential to life on Earth. Unlike…
Introduction Matter exists in various states, with the solid state being one of the most fundamental and familiar. From everyday objects like rocks and metals to more complex materials like crystals and polymers, solids form the backbone of the material…
Matter, the substance that constitutes the observable universe, exists in distinct states that are determined by various physical conditions such as temperature and pressure. Each state of matter is characterized by unique physical properties and molecular arrangements. Traditionally, we are…
Introduction Beryllium element symbolized as Be and with an atomic number of 4, is a hard, greyish metal that is remarkably light and strong. Known for its unique combination of properties, beryllium plays a critical role in various high-tech applications,…
Evolution of Universe: Big Bang Theory Big Bang is a cosmological theory which explains the origin of our universe. According to this theory, the universe was once compressed into extremely small volume which about 14.2 billion years ago exploded and…
Introduction Lithium is a soft, silvery-white alkali metal with the symbol Li and atomic number 3. Known for being the lightest metal and the least dense solid element, lithium has garnered significant attention due to its extensive applications in batteries,…
Helium: The Element that Powers the Universe Helium is a colourless, odourless, tasteless, non-toxic, inert, monatomic gas that heads the noble gas group in the periodic table. Its atomic number is 2, and it is the second lightest and second…