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This summer, NASA will launch the Parker Solar Probe. Sign up here for free to put your name in a memory card that will fly aboard the craft. A meaningless gesture, but no less cool for that (so-to-speak).

The probe is designed to get closer to the sun than any spacecraft in history and collect new data on solar activity and its effects on Earth; it will orbit the sun at around 450,000 miles per hour (which would take you from Philadelphia to Washington, D.C. in one second). The launch window for the probe is between July 31 and August 19, and it should make its first close approach in December 2024. The deadline for submitting your name is April 27.