(The making of can be seen here.)
Each star is actually the Egyptian hieroglyph for star. Together they comprise the following constellations: Orion, Ursas Minor and Major, and Cassiopeia. (Although each constellation is accurate within itself, they are not necessarily oriented correctly in relation to each other, and there are "extra" stars for the sake of balance in composition.)
The chalk claims to glow in the dark, but I think there was too long a gap between having direct sun and darkness for it to really work. This is a dusk shot.
One year ago at TTaT: I, the Divine; A little love
Technorati tag: chalk art