OtherAbiogenesis 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…
PhysicsPrinciple 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…
PhysicsArtificial 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…
PhysicsPrinciple 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…
PhysicsPrinciple 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…
PhysicsOptical 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…
PhysicsRadio 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…
PhysicsBlack 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…
PhysicsNeutron 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…
PhysicsDeath 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…