Accessory To War: The Unspoken Alliance Between... Apr 2026

: The title uses "accessory" in the legal sense—one who enables or abets a deed without being the primary actor. Tyson argues that astrophysicists, though often personally anti-war, have historically served as "handmaidens" to military interests. Key Historical Examples

: Space is framed as the literal and metaphorical "high ground." The book notes that while explorers seek to understand the universe, soldiers seek to dominate it, yet both rely on the same fundamental technologies to operate there. Accessory to War: The Unspoken Alliance Between...

The book explores the millennia-old, symbiotic relationship between those who study the stars and those who wage war, arguing that science and military power have always been inextricably linked. Core Themes : The title uses "accessory" in the legal

is a 2018 non-fiction book co-authored by astrophysicist Neil deGrasse Tyson and researcher Avis Lang. Tools designed for space exploration (like telescopes or

: Technology often flows in both directions. Tools designed for space exploration (like telescopes or multi-spectral imaging) are frequently adopted for military reconnaissance, while military advancements (like GPS or radar) become essential tools for scientific research.

: Tyson traces this alliance from ancient times—such as Ptolemy’s military predictions and Galileo’s promotion of the telescope to the Venetian military—to modern satellite-enabled warfare.