What is spiral galaxy, how do stars are formed, difference between massive and low mass star, tell the concept of death of star, how density can be measured in cm and gram
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a spiral galaxy is a spiralling band of stars ,dust particles and other heavenly bodies.
a massive star is just a huge star of enormous mass.
but a low mass star has less mass than a massive star .
death of a star refers to the explosion of the core of the star which vauses its death.
a massive star is just a huge star of enormous mass.
but a low mass star has less mass than a massive star .
death of a star refers to the explosion of the core of the star which vauses its death.
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Spiral galaxies form a class of galaxy originally described by Edwin Hubble in his 1936 work The Realm of the Nebulae and, as such, form part of the Hubble sequence. Most spiral galaxies consist of a flat, rotating disk containing stars, gas and dust, and a central concentration of stars known as the bulge
Stars are born within the clouds of dust and scattered throughout most galaxies. A familiar example of such as a dust cloud is the Orion Nebula. Turbulence deep within these clouds gives rise to knots with sufficient mass that the gas and dust can begin to collapse under its own gravitational attraction
Explanation:
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