An aura is the electromagnetic field surrounding an object. Some people refer to this field as a bioenergy field.
Auras vibrate to different color, sound and light frequencies.
The color spectrum varies with one's physical, emotional, mental, and spiritual states. They are in a constant state of flux. Chakras and Auras Chakras are points of great energy for one's aura. Auras can be seen physically, or sensed psychically. Wtch it a few minutes as then try to see how far out you can watch it go.