Aries' symbol is the ram.
Aries = The Ram
the story is just that way and the stars form in that shape.
Ram
Aries.
Birthday symbol? She's an aries--the ram (the fancy looking v) Aries = god of war :-) Passionate, courageous, brave, strong, a warrior and a leader. Great sign.
From what I know, Aquarius is represented by a Water-Bearer, a universal man who is pouring forth water from a jug. This universal man represents the community of mankind.
All of the 'sun signs' are equally... good.
aries
Aries symbol is a straight vertical line that divides into two mirror image curved lives. It looks a little like the horns of a ram.
If by Star Sign you are asking about the Zodiac sign for someone born on 29th March, then that person would be an Aries, March 21 - April 20. Element - Cardinal Fire, Planet - Mars, Symbol - Ram.
For April 18th, your Zodiac sign is Aries.