Celestia is a girl who feels like she's not enough for anyone, but is truly an amazing and beautiful girl on the inside and out. Celestia's are amazing, loyal, and true friends who have a wonderful sense of humor and is good at making friends once she gets to know them. She's an all around type of girl, accepting, loving, passionate and has strange creativity. She can have a wild side, but makes good grades and can be shy at times. She's trustworthy, and will not break a promise.
She loves animals and is more than willing to make people happy, all the time. Generally she's an amazing person, on the inside and out.
I can trust Celestia with my secrets.
Noun: An absolutely fucking sweet kick-ass space simulator that not only contains the solar system, but comes with some extrasolar planets and the ability to create your own stars, solar systems, nebulae, galaxies, and practically any other space object you can think of.
Ideal for world-builders, astronomy enthusiasts and utter nerds.
What's more, it's freeware. Get it from www.shatters.net/celestia.
The latest version is hard to find but worth downloading, as it accurately represents binary stars.
I used Celestia to create my own fictional universe.