『NASA's Mars Sample Return Mission Targets Mid-2026 Decision as Agency Pursues Faster Sample Recovery and Expanded Mars Exploration』のカバーアート

NASA's Mars Sample Return Mission Targets Mid-2026 Decision as Agency Pursues Faster Sample Recovery and Expanded Mars Exploration

NASA's Mars Sample Return Mission Targets Mid-2026 Decision as Agency Pursues Faster Sample Recovery and Expanded Mars Exploration

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概要

 NASA's Mars Sample Return mission faces a pivotal decision sliding to mid-2026, as announced by Administrator Bill Nelson and Science Mission Directorate head Nicky Fox this week. According to Astronomy.com, the agency is weighing two redesigned architectures to fetch 28 sample tubes collected by the Perseverance rover from Jezero Crater—either a proven sky crane lander costing $6.6 to $7.7 billion or a commercial partner option at $5.8 to $7.1 billion—potentially returning samples as early as 2035, far ahead of prior 2040s estimates.

Meanwhile, excitement builds for 2026 Mars launch windows. Politico reports NASA is considering rockets to Mars next year under a proposed $1 billion White House budget boost, prioritizing human exploration and favoring SpaceX's Starship, with optimal Earth-Mars alignments in 2026 and 2028. The Debrief highlights Japan's JAXA MMX mission launching this year to sample Phobos and fly by Deimos, returning material by 2031, while NASA's twin ESCAPADE satellites, launched November 2025 on Blue Origin's New Glenn, gear up to study solar wind stripping Mars' atmosphere.

On the surface, NASA's Perseverance rover, nearing five years operational, is deemed fit for missions through 2031 after rigorous subsystem tests, per NASA updates. Engineers confirm it can roll miles more, analyzing olivine-rich rocks for ancient formation clues.

These developments signal accelerating momentum toward Mars science and human footholds, blending robotic feats with bold new strategies amid budget debates.

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