Star

Definition of Star as it relates to Science, Astronomy, Planetary Science, Astronomical Object

A star is a massive, luminous ball of plasma that is held together by its own gravity. In the hierarchy of Science, Astronomy, and Planetary Science, stars fall under the broad category of Astronomical Objects. They are celestial bodies that emit light and heat due to nuclear reactions taking place in their cores. Stars can vary greatly in size, temperature, and brightness, with some being solitary while others exist in binary or multi-star systems. The life cycle of a star includes stages such as nebula, protostar, main sequence star, red giant, white dwarf, and potentially a supernova and black hole for the most massive stars. Stars play a crucial role in the formation of elements and the evolution of galaxies, making them an essential area of study within Astronomy and Planetary Science.

Child Hierarchical Categories

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