Polynesian Star Compass
Basic objective of this lecture is to present on Polynesian Star Compass. Here briefly focus on Polynesian Star Compass. The Hawaiians used a calendar based on the…
Physics
Lecture on Polynesian Navigation
General objective of this lecture is to present on Polynesian Navigation. For the ancient Polynesians, finding Easter Island must have been like finding a needle in a…
Astronomical Observational Techniques and Instrumentation
Main objective of this lecture is to present on Astronomical Observational Techniques and Instrumentation. Here derive resolution and sensitivity requirements for astronomical imaging- spatial resolution: Rayleigh criterion and…
Charge Transfer Efficiency of Charge Coupled Device
Primary objective of this lecture is to present on Charge Transfer Efficiency of Charge Coupled Device. here broadly describe on how efficiently can charge be moved…
Charge Coupled Device Advantages
Principle objective of this lecture is to present on Charge Coupled Device Advantages. It is a device for the movement of electrical charge, usually from within the…
Charge Coupled Devices in Astronomy
Charge Coupled Devices first developed in the 1960s as memory storage devices. Sensitivity to light suggested imaging possibilities. Her briefly focus on History of CCDs; How do CCDs…
Lecture on Atmospheric Turbulence
Major objective of this lecture is to present on Atmospheric Turbulence. The atmosphere is an inhomegeneous medium with varying index of refraction in both time and space. Turbulence…
Diffraction of Rayleigh Criterion
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…
Advantages of Heliocentric Model
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…
What is Planet?
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…
Modern View of the Solar System
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’s Geocentric Model
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…
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