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History of discovery

The History of Black Holes

From a strange mathematical solution that many thought unphysical, through the theoretical work that made them respectable and the observations that made them real, to the imaging of a black hole's shadow and the star orbits that prove one lurks at the Milky Way's heart.

Knowledge connections

Sources

The primary and reference sources this topic draws on.

  • NASANational Aeronautics and Space Administration

    Mission data, planetary science, space telescopes, and public-domain imagery.

    Most NASA-produced imagery is in the public domain; individual items are checked for usage terms before publication.