New Horizons Completes 50 Billion-Bit Pluto Data Return 15 Months After 2015 Flyby
Updated
Updated · spacedaily.com · Jul 13
New Horizons Completes 50 Billion-Bit Pluto Data Return 15 Months After 2015 Flyby
1 articles · Updated · spacedaily.com · Jul 13
Summary
About 50 billion bits from New Horizons’ Pluto encounter finished arriving on Earth on Oct. 25, 2016, more than 15 months after the spacecraft’s closest approach.
Roughly 4.5 hours of signal travel time, low transmission power and Deep Space Network limits stretched the download, while the probe had spent the flyby recording data instead of pointing its antenna at Earth.
New Horizons passed within about 7,750 miles of Pluto on July 14, 2015, racing through the system at more than 30,000 mph in a one-shot encounter with no chance for a second pass.
The slow downlink turned a brief flyby into a long scientific rollout, revealing Pluto’s mountains, nitrogen-ice plains, haze layers and other signs that the distant world is far more active and diverse than expected.
Beyond Pluto, what can New Horizons reveal about our solar system's edge that the legendary Voyager probes missed?
Pluto's hidden ocean redefines habitable worlds. Which other distant, icy bodies could now be top candidates in the search for life?
If small, icy worlds like Pluto are so geologically alive, must we rethink the very definition of what makes a planet?
New Horizons’ Legacy: Two Decades of Pluto, Kuiper Belt, and Heliophysics Breakthroughs
Overview
Between 2023 and 2026, NASA re-evaluated the New Horizons mission, deciding to fund it only through 2024 and requiring it to compete for future funding in the heliophysics division. This shift happened because NASA found the mission’s remaining planetary science less compelling than its potential for heliophysics and astrophysics. Although the overall mission proposal was rated highly, the planetary science part received a lower score. As a result, New Horizons began focusing more on studying the heliosphere and outer solar system, adapting its goals and operations to secure its future and continue delivering valuable scientific data.