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New Horizons Demonstrates First Deep-Space Stellar Navigation via Parallax 5.5 Billion Miles from Earth A Historic First in Deep-Space Navigation Proof-of-Concept from the Kuiper Belt NASA's New Horizons spacecraft journeyed through the Kuiper Belt over 5.5 billion miles from Earth, an international team of astronomers carried out a landmark experiment — successfully demonstrating deep-space stellar navigation for the first time. Publication and Documentation The team's findings have been documented in a paper accepted for publication by The Astronomical Journal , with a preliminary version available via arXiv . Observing Stellar Parallax from Interstellar Frontiers Capturing Proxima Centauri and Wolf 359 As a proof-of-concept, the researchers utilized the spacecraft's distinctive position on its journey toward interstellar space to capture images of two nearby stars: Proxima Centauri , located 4.2 light-years from Earth. Wolf 359 , situated 7.86 light-years away. Measurin...