Cosmic Milestones
First Exoplanet Around a Sun-like Star
October 6, 199551 Pegasi systemMichel Mayor, Didier Queloz
The Experience
A star's wobble revealed a close-orbiting giant planet.
Impact
The known universe filled rapidly with worlds.
Strategy & Logistics
Built on prior experiments, accumulated knowledge, and sustained preparation.
Cost & Sacrifice
Measured in time, resources, risk, and the consequences carried by those involved.
Milestone
1995
Place
51 Pegasi system
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