A galaxy is a vast system of stars, gas and dust, held together by gravity. Dark matter also contributes to the gravitational structure. Our Sun lives in one: the Milky Way.
A galaxy is not a solar system
A solar system centres on a star and the objects orbiting it. A galaxy contains enormous numbers of stars and their systems. When you choose a galaxy here, your gift celebrates something on a completely different scale.
Further reading: NASA Science.
Find a galaxy with a story.
Explore sourced astronomical objects and try your own personalisation. Every claim is symbolic and entirely unofficial.
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