the life of a star

The life cycle of a star begins with the accretion of hydrogen and helium gas at -173 o C into smaller dense clouds, which contract under their own gravity. This dense cloud of gas contracting under its own gravity is called a Protostar. A cloud of gas from which a st..

The life cycle of a star begins with the accretion of hydrogen and helium gas at -173 o C into smaller dense clouds, which contract under their own gravity. This dense cloud of gas contracting under its own gravity is called a Protostar . A cloud of gas from which a star..

The Universe..

A star is a dense cloud of hydrogen and helium gas contracting under its own gravitational pull. In all the stars hydrogen atoms are continuously converted into helium atoms and this process is accompanied by a large amount of energy. This energy is radiated in the form of heat ..

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Question: Softly, O softly we bear her along, She hangs like a star in the dew of our song; She springs like a beam on the blow of the tide, She falls like a fear from the eyes of a bride, Lightly, O lightly we glide and we sing, We bear her along like a pearl on a string. a) Why d..

Structure of Cell - Cells vary in shape and size. They may be oval, spherical, rectangular, polygonal, spindle shaped, star shaped, rod-shaped or totally irregular like the nerve cell. The diversity in cells is in accordance with the role or function it has to perform as part of the tissu..

The Sun - The sun is at the center of the solar system. Its mass is about 740 times as great as that of all the planets combined. The huge mass of the sun creates the gravitation that keeps the other objects traveling around the sun in an orderly manner. Sun The sun is a typical star, of ..

. Any shiny thing in the night sky may be deceptive. Even UFO experts say that majority of the cases reported are cases of mistaken identity. Natural phenomena like shooting stars, unusual electric glow from the planet Venus, rare formation of clouds or even fog or haze can fool people. S..

. Any shiny thing in the night sky may be deceptive. Even UFO experts say that majority of the cases reported are cases of mistaken identity. Natural phenomena like shooting stars, unusual electric glow from the planet Venus, rare formation of clouds or even fog or haze can fool people. S..