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Solar System
Planetry System
Dwarf Planets
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The Universe comprises of everything. The Universe is very large and possibly infinite in volume. All the observable matter is spread over a space at least 93 billion light years across. For comparison, the diameter of a typical galaxy is only 30,000 light-years, and the typical distance between two neighboring galaxies is only 3 million light-years. There are probably more than 100 billion (1011) galaxies in the observable universe. The universe consists of all observable matter in its solar system. know more..
Solar system :
In Universe,the formation of Solar system began billions of years ago. The solar system is consists of the Sun, the 9 planets and their 172 known moons, asteroids, comets, dust and gas. Sun is the center of our solar system and the planets, asteroids, and comets travel around it. In solar system, most of the bodies move around the Sun along nearly circular paths or orbits in the anticlockwise direction. Parts of Solar system are. know more..
Sun :
In solar system the Sun has center position. It is the closest star to Earth. The Sun is formed by nuclear fusion reactions. It is a giant spinning ball consisting of very hot gases. In Universe Sun is essential for the planets that consist of life. The rays in the form of light generated from the Sun heats our world and makes life possible. The Sun is also an active star that displays sunspots, solar flares, erupting prominences, and coronal mass ejections. These phenomena impact our near-Earth space environment and determine our "space” weather. know more..
Planetry System :
The solar system consists of total eight planets. Out of these eight planets, four planets named Veenus, Mercury, Earth and Mars forms inner shell and other four planets named Neptune, Uranus, Saturn, and Jupiter forms outer shell. Inner shell of planets consists of minerals and has dense, rocky composition and Inner shell of planets consist of gas giant. know more..
Dwarf planets :
In 2006, the International Astronomical Union (IAU) categorized planets and smaller objects in Solar System. These three categories consist of "small solar system bodies”, “the much larger planets” and the new category "dwarf planets". Currently, there are five official dwarf planets are Pluto, Ceres, Eris, Makemake and Haumea. know more..
Aestroids :
Asteroids are rocky objects with round or irregular shapes up to several hundred km across. They are smaller in size. In Universe, there are more than 100,000 asteroids lie in a belt between Mars and Jupiter. Several thousand of the largest asteroids in this belt have been given names. This is very rare that asteroid collide with Earth. But some do come close to Earth, like Hermes (closest approach of 777,000 km) know more.. .
Meteors, Meteoroids, and Meteorites :
Meteors are streaks of light, usually glow for a few seconds and occasionally see in the night sky. In India, they also known as "falling stars", but they are not stars. Meteors are caused, when small pieces of rock, dust, or metal from space enter into the atmosphere at extremely high speeds. These particles are called "meteoroids" when they are floating around in space, are traveling at incredible speeds of tens of kilometers per second and streak into the atmosphere. know more..
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