It could be a drawing, but consisting of quasars, not from individual stars. A cube with a side of 1 billion ly could have a few million galaxies in it, so the drawing’s patter could be rather complex and provide tens or hundred kilobytes of information. Or else, the drawing could be rather simple beacon like a circle.
It could be a drawing, but consisting of quasars, not from individual stars. A cube with a side of 1 billion ly could have a few million galaxies in it, so the drawing’s patter could be rather complex and provide tens or hundred kilobytes of information. Or else, the drawing could be rather simple beacon like a circle.