Last month NASA announced the opportunity for anyone fascinated with the universe to submit their name to be sent on a first-of-its-kind trip to the Sun. Now that opportunity is about to disappear.

Later this summer, NASA will send the Parker Solar Probe straight toward our star to study various things. On that very same probe, the names of all who wish to be a small part of the journey will be stored on a microchip. One of those names? None other than Captain Kirk himself, William Shatner, who also filmed a promo for the opportunity.

Continue below for much more info and to watch Shatner’s video.