Abiogenesis
Other

Abiogenesis

Abiogenesis is one of the modern evolutionary theories about how life originated. It referred to the now-extended hypothesis of the spontaneous generation. It was once…
Principle of Artificial Satellites operation
Physics

Principle of Artificial Satellites operation

The principle of Artificial Satellites operation The satellite that is created by man based on this theory in order to go in the outer space…
Artificial Satellite
Physics

Artificial Satellite

Artificial satellite¬†are scientifically developed satellites projected in the space. We know there is a solar world at the center of which is the sun. Some…
Principle of Gamma Ray
Physics

Principle of Gamma Ray

Electromagnetic waves coming from planets and stars contain in addition to visible light, an infrared wave, short and long, radio waves, ultraviolet rays. X-rays and…
Principle of X-ray
Physics

Principle of X-ray

Electromagnetic waves coming from planets and stars contain in addition to visible light, an infrared wave, short and long, radio waves, ultraviolet rays. X-rays and…
Optical Telescope
Physics

Optical Telescope

An optical telescope collects and magnifies visible part of the electromagnetic waves for the purpose of seeing the magnified image of the object, to take…
Radio Telescope
Physics

Radio Telescope

The radio telescope is a type of directional radio antenna which is used in radio astronomy. It is an instrument used to detect radio emissions…
Black Hole
Physics

Black Hole

Astronomers have shown by a mathematical model that when the mass of the star, just before the commencement of death, greater than about 3 Mo…
Neutron Star
Physics

Neutron Star

Neutron stars are city-size stellar objects with a mass about 1.4 times that of the sun. If after the supernova explosion the mass of the…
Death of a Star
Physics

Death of a Star

Death of a Star At night we see innumerable light points twinkling in the clear blue sky. These are called stars. Through naked eyes, we…
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