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The Sun, planets, dwarf planets, asteroids, meteoroids, comets and moons are all part of the Solar System.           https://www.shutterstock.com/image-vector/solar-system-space-kids-set-collections-180415412   The Sun is a yellow dwarf star and is made of 75% hydrogen & 25% helium. Almost everything in the Solar System orbits the Sun due to its gravity. The Sun is the largest, brightest and hottest object in the Solar System. Mercury is the closest planet to the Sun and the smallest planet in the Solar System until it is slightly smaller than Pluto in size. Venus is the third smallest, hottest and brightest planet in the Solar System. It is also called Earth's twin sis as its size is almost same as the Earth. Earth is actually tilted because Theia* crashed into Earth. Theia's crashing is important it was Theia's debris that clumped together to form the Moon. The Moon is Earth's only natural satellite and is covered in craters. Mars' gravity and si...

  The Milky Way isn't the only galaxy. There are many more galaxies and scientists think there are over 200 billion galaxies in the Universe. The Milky Way is 100,000 light-years across. The nearest galaxy to the Milky Way is Andromeda. The Andromeda galaxy is larger than the Milky Way galaxy. Satellite galaxies orbit another galaxy. The Milky Way has two satellite galaxies that are: Small Magellanic Cloud and Large Magellanic Cloud. Some of the stars in the the Milky Way are from it's satellite galaxies. The Antannae galaxies are actually two galaxies that collided hundreds and billions of years ago. The Antannae galaxies are classified as a peculiar galaxy as both of them are shaped abnormally. They are also classified as a starburst galaxy as their star formation rate is: Rapid. The Comet galaxy is a spiral galaxy located 3.2 billion light years away from Earth. It is located in the galaxy cluster Abell 2667. The Comet galaxy is discovered by the Hubble Space Telescope* and ...

On the Earth, there are five oceans.    https://www.slideteam.net/world-map-of-continents-and-oceans./html The names of the oceans are: Pacific, Atlantic, Indian, Southern and Arctic. The Pacific ocean is the biggest and deepest ocean among all of the oceans. The Mariana Trench is the deepest place in the Pacific ocean. The Mariana Trench has a lot of weird creatures. The Atlantic ocean is named by the Greek god, Atlas. The Atlantic ocean has the strangest place on Earth-the Bermuda Triangle. A lot of ships, airplanes and people had disappeared there without a trace. The Indian ocean is the warmest ocean. The Southern ocean surrounds Antartica. The Arctic ocean is the smallest and shallowest ocean and contains a lot of ice that are melting due to global warming. Did you know that the height from the bottom to the surface of the Mariana Trench is as high as Mount Everest? That's so high!

There are five dwarf planets in the Solar System. Their names are: Ceres, Pluto, Haumea, Makemake and Eris. Ceres is the smallest dwarf planet but the largest object in the Asteroid Belt as it is the only dwarf planet in the inner Solar System. Pluto is the biggest dwarf planet among all dwarf planets until it is a little bigger than Mercury. Pluto used to be the ninth planet but its orbit is unusual to be called a planet. So the IAU demoted Pluto from planet status and belonged to a new family of planets: dwarf planets. https://www.pinterest.co.uk/pin/552253973034774108/ Haumea is oval in shape as it rotates fast. One day on Haumea is equal to just four hours also because it rotates fast. Haumea takes two hundred and eighty five years to complete one revolution around the Sun as it is the third dwarf planet from the Sun. Makemake has no atmosphere and it was discovered in the year of 2005. Makemake is reddish brown in colour. Eris is the furthest dwarf planet from the Sun and has the ...

Light-years* away from our Solar System, there are even more planets and solar systems. We call them exoplanets.  courtesy of https://en.wikipedia.org/wiki/Habitable_exoplanet The exoplanet Dimidium is less dense then Jupiter but has a larger diameter. The star Trappist has seven exoplanets orbiting it. Their names are: Trappist-b, Trappist-c, Trappist-d, Trappist-e, Trappist-f, Trappist-g and Trappist-h. Three of them are in the habitable zone which means there could be life on them. The exoplanet Kepler 452b(discovered by the Kepler Space Telescope)is just slightly bigger than Earth in size and is also in the habitable zone. Kepler 452b is also known as Earth 2.0 as it is very similar to Earth. The exoplanet Proxima Centauri-b orbits the star Proxima Centauri, the closest star to the Sun. The Kepler 90 system has eight exoplanets orbiting the star Kepler 90 and their names are: Kepler 90-b, Kepler 90-c, Kepler 90-d, Kepler 90-e, Kepler 90-f, Kepler 90-g, Kepler 90-h and Kepl...