Cosmic Exploration · discovery

Quasars

1963 · Maarten Schmidt

Year
1963

Description

3C 273's spectrum matched nothing until Schmidt recognised ordinary hydrogen lines redshifted by 16%. That put it two billion light-years away and radiating more than a hundred galaxies from a region the size of the solar system.

Discoverer

Observatory

Referenced by

observatory
researcher

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From the Discoveries database in Notion, last edited 2026-08-15. This page is the row, rendered by the build; nothing on it is written by hand.