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Aurora Facts

Auroras are produced when the magnetosphere is sufficiently disturbed by the solar wind that the trajectories of charged particles in both solar wind and magnetosphere plasma, mainly in the form of electrons and protons, precipitate them into the upper atmosphere Continue Reading

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Comets Facts

Comets, like asteroids, are small celestial bodies that orbit the Sun. However, unlike asteroids, comets are composed primarily of frozen ammonia, methane or water, and contain only small amounts of rocky Continue Reading

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Operating System

An operating system (OS) is system software that manages computer hardware and software resources and provides common services for computer programs Single-multi user They may allow multiple programs to run . Multi-user operating system extends the basic concept of multi-tasking with facilities that Continue Reading

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