There’s plenty of reasons to get a new tattoo. Whether you want to showcase your love for your significant other, à la Ariel Winter, or make a statement about your beliefs, like Miley Cyrus, there’s no shortage of motivation behind an inking. Take Sophia Bush, for instance.

The Chicago PD actress just commemorated her 35th birthday with body art that went way deeper than the geometric design the actress posted to her Instagram story.

As Refinery 29 revealed, the cool pattern was actually taken from an image on an old record known as the Golden Record, a gold-plated phonograph full of sounds and images from Earth, which was sent into space on Voyageurs 1 and 2 back in 1977. The firework or dandelion-like drawing in question was sketched onto the front of the album, as exemplified below.

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The actress gave us a further clue into her mindset with the design’s caption, which read, “Pale blue dot,” no doubt a nod to astrophysicist Carl Sagan’s affectionate term for our planet. As Refinery29 pointed out, Sagan was not only one of the curators of the golden album, but the author of Pale Blue Dot: A Vision of Human Future in Space ($17), in which he said that the Earth looked like little more than a pale blue dot in a photo of our planet taken from Voyager 1. “Look again at that dot. That’s here. That’s home. That’s us,” he wrote.

It was an outlook a reflective Bush could relate to on her big birthday, writing, “And here I am. Stepping forward into another year. Stepping closer to home. That’s what it’s all about. Coming home to ourselves. And hopefully building a life we are damn proud of with a tribe we call family along the way.”

As we await to see the tat, done by celebrity artist Dr. Woo, in all its healed glory, it’s surely a worthy sentiment to ponder!

Happy belated, Sophia!

What do you think of Sophia’s new ink? Share with us @BritandCo.

(h/t Refinery 29; photos via @sophiabush)