I think you may be referring to the six pointed star, the star of David. If so, five of the points refers to the five senses and the sixth is that of intuition, commonly called the sixth sense.
The 8 pointed star is a Gnostic symbol, known as the octagram of creation.
It is related to Venus, and also sacred to Ishtar.
In Nordic traditions the octagram is used to invoke magic and also as a protecting ideogram.
Chaospheres have 8 points - order 90 degrees and chaos 45 degrees.
This is the traditional Star of Ishtar. Composed of two intertwined squares, this is a symbol of regeneration.
It is a symbol for the natural universe interweaving order and disorder, yin and yang, to create an ultimately harmonious and balanced design.
Another Answer
You may be referring to it's often seen use in Native American and First Nations cultures, as in my Tribe to which it is a very important symbol that represents the sun for my people.
It is the eight pointed star. This symbol is often seen in Native culture as the seven pointed star, to which it used to be for Mi'kmaq to represent the seven Nations of Mi'kmaq people. An extra point had been added however to include all Nations and peace amongst all people.
I recently found out though that the Lakota Tribe also uses an eight pointed star as one of their symbols, I don't know what the reasoning behind their extra point is though, perhaps the same as the Mi'kmaq reasoning.
The star itself was first seen on Mi'kmaq petro glyphs in Nova Scotia about 500 years ago and was made to represent the sun (at this time it was seven points though and then changed to include the British Crown and represent unity as well.
I believe it is also a universal symbol of unity, used since ancient time as well in other cultures aside form Native culture.
The white crescent and eight-pointed star on the flag of Azerbaijan symbolize the country's Turkic heritage and its ties to the Islamic world. The eight-pointed star represents the eight Turkic peoples and the eight branches of the Turkic culture. The crescent is a common symbol in Islamic flags, representing progress and the growth of the country.
khatim
8 pointed star? unless a gang or similar has claimed it, nothing special that i know of.
The eight pointed star shows up in several cultures around the world. It carries various meanings that are inclusive of each culture.
I wonder if you mean pentacle, which is a 5-pointed star.
It is a concave octagon.
A twelve pointed star is a spider within the web of a dream catcher. it is also the universal symbol of real time by hours of denomination
When you are talking about law enforcement badges, there are 5 pointed, 6 pointed, 7 pointed, 8 pointed, and 9 pointed stars. Wikipedia defines it as "A five-pointed star (☆) is a very common ideogram throughout the world. If the colinear edges are joined together a pentagram is produced, which is the simplest of the unicursal star polygons, and a symbol of mystical and magical significance."
if you mean 4 pointed star like a ninja star, there's a pretty good video showing you how here: http://foldsomething.com/origami-videos/4-point-star-ninja-throwing-star-shuriken/
A six pointed star is a hexagram, used in witchcraft as a talisman and for conjuring up spirits. Many different religions attribute other meanings to it.
Finished work
5 pointed star? 6 pointed star(star of David)? A star in the sky? You need to provide more information. A 5 pointed star can have 5 lines of symmetry.