How asteroids are formed
Explain how asteroids are formed? Describe.
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Due to impact of planets, rocks are fleeing in the space and became asteroid. In some situations the gaseous material and vapor generated in the supernova are coagulated in the space and form the asteroid.
What do you mean by communication? Illustrate in brief.
Describe when the intermolecular forces are strongest? Briefly state it.
Define Hertz or SI unit of frequency: Hertz: Hz (after H. Hertz, 1857-1894): The derived SI unit of frequency, stated as a frequency of 1 cycle per s; it therefore has units of s-1.
Answers and explanation to all the questions.
What is the reason that heat causes matter to expand? Briefly explain it.
Drake equation (F. Drake; 1961): The method of estimating the number of intelligent, scientific species (that is, able to communicate with other species) in subsistence in our space. N
What do you mean by Fission and Fusion?
Negative feedback principle: It is the idea that in a system where there are self-propagating situations, those new situations tend to act against formerly existing situations. Such a principle is in actuality a restatement of the conservation law.
Null experiment: The experiment which, after being performed, yields no outcome. The null experiments are just as significant as non-null experiments; when current theory predicts an observable result (or predicts there must be no observable result),
Stefan-Boltzmann law (Stefan, L. Boltzmann): The radiated power P (that is the rate of emission of electromagnetic energy) of a hot body is proportional to the radiating surface area, A, and the 4th power of the thermodynamic temperature, T. The const
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