Planet Mercury

Mercury is a grey cratered ball measuring about 4,880 kilometers despite being so huge it is the smallest planet.

Mercury is a heavily cratered planet, covered in wrinkles and is has shrunk a few kilometers since its formation, so it's probably not a problem and Mercury hasn't noticed yet, Mercury is the closest planet to the sun. Mercury's temperature varies extremely, reaching a searing 800°F (430°C) on the sunny side and plummeting to a frigid -290°F (-180°C) on the night side. It orbits the sun in 88 days. Mercury has no atmosphere. Mercury has a high abundance of sulfur in its surface and a comparatively low amount of iron and titanium. Mercury is not humanoid and has no facial features. Mercury and every other celestial body is sentient

Mercury is brash and easily angered, it likes to keep to itself, often grumbling. Mercury loves quiet and peace. And hates it when there is something in its orbit such as a satellite or an asteroid. Mercury has a soft spot for the sun, Mercury often talks to the Sun. Mercury often uses profanity especially when Venus teases Mercury. Mercury HATES Venus. Mercury is actually quite afraid of Jupiter, this is because Jupiter is constantly destroying and changing the orbits of smaller celestial bodies such as comets and asteroids while at the same time keeping the asteroid belt stable. Jupiter tends to do this on purpose. Mercury can talk to humans via telepathy.

Mercury was formed 4.5 billion years ago when clumps of rock formed together, Mercury was traumatized by all the planetary collisions that surrounded its orbit, as well as getting constantly bombarded by asteroids back then, at some point a large planetesimal hit Mercury destroying it’s mantle, and horribly tainted its personality on top of Venus teasing it. Mercury was further out from the Sun before moving closer to its current elliptical orbit. For a long time Mercury had volcanoes, until about 1 billion years after it formed, Mercury's volcanic activity ceased.

4.5 billion years ago Mercury, Venus, Theia, Proto-Earth and Mars before any of them had any oceans or water, before Earth and The Moon were formed yet. Theia and Proto-Earth in particular were best Friends. Theia was sassy and sarcastic but still a sweet heart. Proto-Earth is not the same person as Earth, Proto-Earth was Brave and courageous, willing to stand up to even Jupiter. Theia and Proto-Earth became obsessed with life, Proto-Earth moved to the Habitable zone in between Mars and Venus, Theia moved just a little bit farther away in between Proto-Earth and Mars. Proto-Earth and Theia believed they had to collide to form something new that could support life. Theia wasn’t so sure so it asked Venus, Theia told Venus that it had an idea but it wasn’t sure, Venus not knowing Theia’s plan told Theia to follow its gut, Venus immediately regretted it. Proto-Earth and Theia collided, Mars, Venus and Mercury tried to stop them but it was too late. The only thing left of Theia and Proto-Earth were two molten lava spheres, one became the Earth, the smaller one became The Moon. Earth inherited Theia and Proto-Earth’s obsession with Planets.

Millions of years later, eventually Venus, Earth and Mars gained Water, they were all friends and called themselves the Water Trio. All of their best memories were with Eachother in those old times, as they all made fun of Mercury. However the Water trio eventually drifted apart as Mars lost its water and fell into a depressive spiral, and Earth stopped making fun of Mercury to focus on became obsessed with having life. And Venus's runaway greenhouse effect stripping away Venus's water. Mercury misses those years.

At the same time 4 billion years ago there was an ice giant named Boreas about 10 times the size of mass of Earth and slightly smaller than Neptune, Boreas orbited between Jupiter and Saturn. Boreas was extremely kind to every other planet except for Jupiter for obvious reasons, it was to the point where everyone in the Solar System liked Boreas. Boreas would consistently defend asteroids from Jupiter, this angered Jupiter to the point where Jupiter would manipulate Saturn by telling Saturn that Boreas was evil, and with their combined efforts ejected Boreas from the solar system. Boreas was never seen again, however rumors across solar system spread about Boreas still being at the edge of the Solar System, the rumor said that Boreas went insane and was watching from beyond the Kuiper Belt, and planning revenge on Jupiter.

The Sun is wise and often gives advice to Mercury about dealing with Venus, Earth knows The Sun has been through more than Earth but doesn't know how The Sun deals with it. The Sun loves every single celestial body in the solar system, even Jupiter, somehow. The Sun used to be much more paranoid, the sun was and still is afraid of watching the planets die. The Sun was absolutely Livid about Theia and Proto-Earth’s collision and Boreas’s ejection.

Venus is constantly teasing Mercury usally about it's craters or it's size. Venus often prides itself on it's beauty and refuses to tell anyone about what it looks like underneath its clouds. Venus is very insecure about what lies underneath its clouds.

Earth idols the Sun, and Earth strives to be just like the sun by acting all wise, but earth is really insecure about its intelligence, and tries really hard for its earthlings. Earth is also overly nice to everyone.

Mars does nothing but just stays still and barely talks acting like an unemployed 50 year old, despite getting support from Phobos and Deimos. Mars has been like this since it lost its water and most of atmosphere, before that Mars used to act like Earth.

Ceres treats itself like an asteroid despite being a dwarf planet and is essentially the monarch of the asteroid belt. Ceres also HATES Jupiter with a burning passion. The entire Asteroid Belt also hates Jupiter, ESPECIALLY the Jupiter Trojans.

Jupiter rules over the outer solar system with an iron fist. Earth and The Moon are very afraid of Jupiter. Jupiter gets enjoyment out of destroying asteroids or capturing them in its gravity. The Sun is the only object that Jupiter fears since the Sun is 10 as big as Jupiter and a 1000 times the mass. When Theia, Proto-Earth and Boreas were destroyed, The Sun threatened to destroy Jupiter in its Roche limit, despite this the Sun still wouldn’t want to hurt Jupiter as it loves every celestial body.

Saturn is an innocent world and genuinely cares for asteroids and moons. However Saturn is constantly being manipulated by Jupiter. For example 100 million years ago Saturn used to have a Moon named Chrysalis, but got torn apart by Saturn's gravity because of Jupiter manipulating Saturn into doing so. Saturn believes Jupiter is innocent. Saturn is pretty silly albeit dumb.

Uranus is Depressed ever since Boreas was ejected, this was because Boreas and Uranus in particular were best friends. Jupiter also caused a rocky planet the size of Earth to collide with Uranus, causing Uranus to flip on its side.

Neptune was also heavily affected by Boreas's ejection, causing Neptune towards the edge of the solar system, waiting for Boreas to return. Nobody except for Uranus still talks to Neptune, Neptune has grown into an enigmatic mystery.

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