Portal: Solar System

Sun - Our Host Star

The Sun is the star at the centre of the solar system. It is nearly perfect sphere of hot plasma. It is by far the most important source of energy of life on Earth. Roughly three quarter of the Sun’s mass consist of hydrogen (75%), helium (25%) and smaller quantities of heavier elements such as oxygen, carbon, neon and iron. Image Credit: NASA/SDO.

More about Sun

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Venus - Earth's Twin

Earth - Home Planet

Mars - The Red Planet

Jupiter - Earth's Savior

Saturn - Ringed Planet




Asteroid Belt

Other structures and objects of Solar System