Science

The aim of this lecture is to present on Diffraction of Rayleigh Criterion. The telescope aperture produces fringes (Airy disc) that set a limit to the resolution…

Prime objective of this lecture is to present on advantages of Heliocentric Model. Main advantages of Heliocentric Model is easier to compute, correct orbital radii, predicts…

General objective of this lecture is to present on What is Planet. The definition of planet, since the word was coined by the ancient Greeks, has included within its scope…

Main objective of this lecture is to present on Modern View of the Solar System. The best view of the solar system is that from either of…

Ptolemy was approximating Kepler’s law, without knowing it. The reasons are: the elliptical orbits of the planet are close to a circle; the eccentric takes the role of…

This article focus on Etiquette, which is conventional requirements as to social behavior; proprieties of conduct as established in any class or community or for…

Aristotle’s (384-322 BCE) model placed the superior planets in right order using their speed on the celestial sphere. He established a geocentric universe in which the…

Principle purpose of this lecture is to present on Examples of Planetary Events. Some events are; Conjunctions: Two objects closest from Earth’s point of view. Stationary: When the ecliptic longitude…

Major purpose of this lecture is to present on cause for Precession of Equinoxes. Precession is caused by the torque applied by the Sun, the Moon, and…

Flynn Effect is the phenomenon in which there is a marked increase in intelligence test score averages over time. It is supported by the fact…

Fertility and Intelligence has no scientific explanation why fertility may be negatively influenced by a higher level of intelligence. It has been investigated in many…

The Sun’s position relative to Vernal Equinox is important for determining the seasons and the calendar. A major function of the calendar was for agriculture. Solar…