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The Sun is a massive star that serves as the primary energy source for Earth and the planets in the solar system. Formed approximately 4.6 billion years ago, it is composed mainly of hydrogen and helium, producing immense energy through nuclear fusion. This energy, in the form of light and heat, reaches Earth and is essential for maintaining the climate and ecosystems. The Sun consists of multip..

Pluto, once considered the ninth planet of our solar system, is now classified as a "dwarf planet." Discovered in 1930 by Clyde Tombaugh, Pluto is located in the Kuiper Belt, a region of icy bodies beyond Neptune. It has a highly elliptical orbit that sometimes brings it closer to the Sun than Neptune, and a single orbit takes about 248 Earth years.Pluto is relatively small, with a diameter of a..

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