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Mars is the fourth planet from the Sun and the second-smallest planet in the Solar System, being larger than only Mercury. In English, Mars carries the name of the Roman god of war and is often referred to as the “Red Planet”.[16][17] The latter refers to the effect of the iron oxide prevalent on Mars’sContinue reading “Mars”

Earth is the third planet from the Sun and the only astronomical object known to harbor life. About 29% of Earth’s surface is land consisting of continents and islands. The remaining 71% is covered with water, mostly by oceans but also lakes, rivers and other fresh water, which together constitute the hydrosphere. Much of Earth’s polar region are covered in ice. Earth’s outer layer is divided into several rigid tectonic plates that migrate across the surfaceContinue reading “Earth”

Venus is the second planet from the Sun. It is named after the Roman goddess of love and Beauty. As the second-brightest natural object in Earth’s night sky after the Moon , Venus can cast shadows and can be, on rare occasion, visible to the naked eye in broad daylight. Venus lies within the Earth’s orbit, and so never appears to ventureContinue reading “Venus”

Mercury is the smallest and innermost planet in the Solar System . Its orbit around the Sun takes 87.97 Earth days, the shortest of all the planets in the Solar System. It is named after the Greek god Hermes (Ερμής), translated into Latin Mercurius Mercury, god of commerce, messenger of the gods, mediator between gods and mortals.

The Sun is the largest object in the Solar System. The Sun is the star at the center of the Solar System. It is a nearly perfect sphere of hot plasma, heated to incandescence by nuclear fusion reactions in its core, radiating the energy mainly as light and Infrared radiation. It is by far the most important source of energy for life on Earth. Its diameter is about 1.39 million kilometres (864,000 miles),Continue reading “Sun”