THE FORMATION OF SOLAR SYSTEM

The solar system is the name given to the planetary system of which the Earth is a part. It comprises planets, moons, comets, meteors and asteroids which are all held together by the gravitational pull of a star, named either the Sun or Sol.

The solar system is believed to have formed from one nebula, the solar nebula. As gravity forced the nebula to condense it became more dense and pressure inside it increased, resulting in the creation of a proto-star, which began heating up to form the sun we see today. The proto-star would have been surrounded by interstellar dust and gases which began clumping together as a result of gravity. This process continued until, about 4.6 billion years ago, the clumps of rock and gas became much larger, and eventually gravity forced these irregular-shaped objects into the globular-shaped planets we see today. Many of the rocks did not become large enough to form planets and either remain today as asteroids, or they collided with the planets earlier in their history causing the large impact craters still visible the solar system.

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Top 5 Amazing Classical Physics Experiments

Five Amazing Experiments That Changed the World of Classical Physics Physics might seem complicated, but it’s full of fascinating stories. Some of the most important discoveries in history started with simple questions, daring experiments, and brilliant minds that weren’t afraid to challenge the status quo. Let’s take a journey through five legendary experiments in classical physics that not only answered big questions but also opened the door to even bigger discoveries. Galileo’s Leaning Tower of Pisa Experiment: A Fall That Changed Everything Imagine this: It's the late 1500s , and the world still believes in Aristotle's ancient idea that heavy objects fall faster than light ones. But one man, Galileo Galilei, isn’t convinced. He decides to put this idea to the test in a way that would go down in history. Galileo climbs the Leaning Tower of Pisa , with two spheres of different masses in hand. Curious onlookers watch as he drops them at the same time. To everyone’s astonishm...

Movie Review: Interstellar (2014) – A Journey Through Space, Time, and Humanity Christopher Nolan's Interstellar is not just another space adventure—it's an epic journey that pushes the boundaries of science fiction, blending intense human emotions with complex scientific concepts. Released in 2014, the film explores a future where Earth is slowly becoming uninhabitable, forcing humanity to look for survival beyond the stars. The plot follows Cooper (Matthew McConaughey), a former NASA pilot turned farmer, who is called upon to join a space mission to find a new habitable planet. As Earth faces ecological collapse, Cooper leaves behind his daughter, Murphy (Mackenzie Foy), and the rest of his family in hopes of saving humanity. What begins as a straightforward space exploration becomes an intricate story about time, love, sacrifice, and the sheer determination to survive. One of Interstellar's strengths is its attention to detail when it comes to scientific accuracy. With...

METHODS TO MEASURE THE SPEED OF LIGHT

F rom Einstein's famous equation E=mc2, we can measure the speed of light by putting the energy value and mass value in the equation. But that's just a theoretical process, practically it is not possible or it will not supply the correct value of speed of light. But in the field of practical physics, we have three methods proposed by HIPPOLYTE FIZEAU , LEON FOUCAULT and ALBERT A. MICHELSON . Now we will see how they measured the speed of light. METHOD 1: FIZEAU METHOD The first measurement of the speed of light from purely terrestrial experiments was reported by the French physicist HIPPOLYTE FIZEAU in 1849. Fizeau's experiment is illustrated below. A light source was focused through a beamsplitter onto an image plane where a spinning toothed wheel was located. The light passing between teeth of that wheel was then projected to a mirror at a distance of about 8 km, where it was collected and then ref...

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