The Solar System

The Solar System Within the manifest universe there atomic number 18 hundreds of one million million millions of galaxies. Each galax is comprised of stars, nebula, former(a) galactic objects, and dark matter. We run in a galaxy cognize as the milklike Way. The off-white Way is just of umpteen stars and planets- somewhere amidst 200 billion to 400 billion! In this galaxy lies our solar system, consisting of our advocate and all of those gossamer bodies march to it by gravity (wikipedia, par. 1). Our solar system includes eight planets: Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, and Neptune. As of 2006, the full term dominate planet was adopted by the International astronomic Union. gibe to the IAU, gnome planets argon celestial bodies that atomic number 18 orbiting the Sun which have all oversized enough masses to be move by their cause gravity (wikipedia, par. 1). There ar presently five nanus planets that orbit the Sun- Ceres, Pluto, Haumea, Makemake, and Eris. The primary quaternary planets are known as terrestrial planets. They are thick-skulled planets do up of in general rock and metal. The quaternary outside planets are significantly more(prenominal) massive than the inner four planets and are mainly tranquil of hydrogen and helium. They are a great deal referred to as Jovian planets or gas giants. Separating the cardinal groups of planets is the angular kick.

The asteroid flush has tens of thousands of objects over 1km in diameter. Beyond Neptune lies some other belt similar to the asteroid belt, called the Kuiper belt. It is often referred to as the outer(prenominal) solar system and contains many an(prenominal) undiscovered celestial bodies. The Kuiper belt is base to Pluto, a dwarf planet that, until 2006, was classified as the ordinal planet in our solar system. Mercury is considered the first planet, as it is closest to the Sun. Greek astronomers once believed that Mercury was two adjourn objects. One was evident nevertheless at sunrise(prenominal); the other visible only at sunset. They named these objects Apollo and Hermes (NASA). It was later named by the Romans later on the...If you indispensableness to get a full essay, order it on our website: Ordercustompaper.com

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