No she is not the bad guy.
Unlike the Celestia, who is kind, intelligent, wise, and mature, Evil Celestia is cruel and quite childish, taking every chance to taunt her enemies and treated her fight with Celestia as "playing". She would even be excited that both her and the other world would collide.
Because of the heat wave coming from the sun, Princess Celestia is absorbing the sun's rays, making her become more and more powerful than usual. The sun's super-hot rays are also making her evil. The heat wave temperature eventually increases, causing Princess Celestia to transform.
A thousand years before the events of the series, Celestia's younger sister, Princess Luna, was jealous of her because ponies were diurnal and afraid of the night.
One thousand years prior to the series setting, Luna became jealous of Celestia when the ponies shunned her nights but enjoyed the day. She eventually transformed into the evil wicked mare of Darkness and Destruction, known as Nightmare Moon as a result of this jealousy, and was imprisoned in the moon.
The answer to this question is no. There are three types of alicorns, neither living forever, but some living longer. Born alicorns such as Luna and Celestia live a longer life than other normal ponies, by aging one year every 50 or so years, and maturing much faster than normal kinds of ponies.
One day, Luna finally became fed up with Celestia's success. Not only did she refuse to lower the moon, but also challenged Celestia for the sole rulership of Equestria. At that moment, the darkness in Luna's heart manifested and consumed her, transforming her into Nightmare Moon, a black mare of pure darkness.
Fanon. Celesgiri became one of the most popular femslash ships from the Danganronpa fandom. Kyouko and Celestia are often shown by the fans as having a crush on each other, as seen from the story.
In the season one premiere, "Friendship is Magic", Nightmare Moon escapes a thousand years later and attempts to take over Equestria. Twilight Sparkle and her new friends eventually manage to defeat Nightmare Moon by finding and using the Elements of Harmony against her.
Celestia Ludenberg, also known as Celeste, whose real name is actually Taeko Yasuhiro, was a participant of Killing School Life in Danganronpa: Trigger Happy Havoc, as well as its anime adaptation, Danganronpa: The Animation.
It's speculated that the Unknown God is the ruler of Celestia and therefore the deity whom all others must answer to, in addition to potentially being responsible for the destruction of both Khaenri'ah and the Travelers' world (which may have led the siblings to travel across other worlds) as her cubes can be seen ...
After the events of "Between Dark and Dawn", Luna discovered that Celestia is afraid of chickens. But she wanted to know where that fear came from.
Meet Princess Celestia
She is the only pony with a unicorn's horn and Pegasus wings. Wise and kind, she is the mentor to Twilight Sparkle. All of the ponies look up to her and depend on her. Some say she is so wise because she is over one thousand years old.
According to Lord Tirek in The Beginning of the End - Part 1, the land that would eventually become Equestria was originally a collection of farms and pastures until Grogar declared himself emperor of everything.
When they say Princesses Celestia and Luna raise the sun and moon, respectively, what they really mean is that the royal sisters use their Alicorn magic to rotate the ponies' home planet (called Pony World) on it's axis. Pony World's moon is called Pony Moon, of course.
The old Luna will be replaced by Luna 2.0, completely severing ties with the failed stablecoin. But the old Luna will not disappear completely, it will simply co-exist with the new and improved Luna 2.0. Holders of the old Luna, now renamed Classic, and UST will be given part of the 1 billion new tokens.
Princess Luna is Celestia's younger sister and they seem to be very close. As they are the ones who raise the Sun and the Moon, they rule over Equestria.
Queen Celestia is an Alicorn pony, the ruler of South Equestria alongside her husband King Hepheus with whom she has a daughter called Gleaming Shield.
She later succeeded Celestia and Luna in ruling over Equestria, where she resided in Canterlot and oversaw the School for Gifted Unicorns. Because of her range of studies and her natural talent for magic, Twilight Sparkle truly is the most powerful magic-user in Equestria.
Princess Celestia explains that Discord is the spirit of chaos and disharmony who once ruled over Equestria in a state of unrest and unhappiness, until she and Princess Luna used the Elements of Harmony to imprison him in stone.
In My Little Pony: Nightmare Knights, a Celestia from an alternate universe, corrupted into Daybreaker, is enslaved by Princess Eris and used to lure Princess Luna into a casino.
They explain that Equestria is enjoying its longest period of peace in recent years, largely thanks to Twilight and her friends. Because of this, Celestia and Luna have decided to retire and leave the protection of Equestria to the Mane Six.