Physics

Major objective of this lecture is to present on How Newton derives Kepler’s Law of Areas? Line from the sun to the planet sweeps out equal…

Prime objective of this lecture is to present on Sir Isaac Newton’s Discovery. Sir Isaac Newton was an English physicist, mathematician, astronomer, natural philosopher, alchemist and theologian and one of the most influential…

Hipparchus of Rhodes became a famous astronomer in Alexandria. Around 150 BCE developed a new tool for measuring relative distances of the stars from each…

Ptolemy’s system was purely geometric, like Eudoxus, with combinations of circular motions. The Ptolemaic system is a geocentric cosmology; that is, it starts by assuming…

Claudius Ptolemy lived about 150 CE, and worked in Alexandria at the Museum. Like Eratosthenes, Ptolemy studied the Earth as well as the heavens. One of…

Kepler’s Laws of Planetary Motion says: The orbits of the planets are ellipses with the sun at one focus. And second,  A line from a…

Basic objective of this lecture is to present on Geocentric vs. Heliocentric System. Geocentric System narrate: the Sun, stars, and planets on their spheres revolve around…

General objective of this lecture is to present on the Copernican Revolution. In the heliocentric or copernican model, apparent retrograde motion of the planets is a direct…

The Sun produces a lot of neutrinos. It travel extremely fast. Almost at the speed of light if small mass. Neutrinos pass from the core of…

Principle purpose of this lecture is to present on Theoretical Explanation: Solar System. Ptolemy explain the geocentric model, that the Earth is at   rest at the center…

Solar flares are a violent explosion above the suns surface. A large amount of energy is released. Solar flares may last for 10 mins and will…

Exploration Goals of NASA is Earth Observing System. Understand Earth’s systems and its response to natural or human-induced change and Improve prediction of climate, weather, and…