Saying Farewell to the Spacecraft That Mapped the Milky Way
Science Quickly
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Mapping the Milky Way: The Journey of Gaia
This chapter explores the Gaia spacecraft's goals and its unprecedented ability to map the Milky Way by measuring distances and movements of nearly 2 billion stars. It contrasts Gaia with its predecessor, Hipparchos, underscoring the importance of the extensive data generated for astronomical research.
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