The animation was created by the artist Matt Russo and scored by the musician Andrew Santaguida, who both work with a science-art ... our solar system drifts within the spiral galaxy.

Why it's so special: What if a galaxy had only one spiral arm? Our solar system resides on the outskirts of one of the Milky ...

The galaxy is located 32 million light-years from Earth. The second stamp, which is a Priority Mail Express stamp, features an image much closer to our solar system ... into art as it continues ...