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History of Astronomy: Timeline, Discoveries & Astronomers

Explore 2,763 records covering the history of astronomy, astronomers, discoveries, telescopes, planets and space missions from the medieval period to the modern space age.

2,763 Astronomy records

History of astronomy · 2,763 database records

Explore the History of Astronomy

This chronology begins before the surviving database records so that the development of astronomy is placed in its full historical context. The interactive archive currently contains 2,763 astronomy records spanning 499–2026; the editorial history below reaches back to ancient observational and mathematical astronomy before joining the detailed searchable record set.

Major astronomy events timelineImportant astronomers and discoveriesAstronomy topic guidesAstronomers A–Z directorySearch 2,763 recordsSources

Image SEO and visual context

Astronomy photographs and historical images

Representative images are embedded with descriptive filenames, alt text, captions and preferred-image metadata.

The Earth photographed by the Apollo 17 crew in 1972, known as the Blue Marble
The Earth seen from Apollo 17NASA/Apollo 17. A locally served, high-resolution representative image for the astronomy collection.
Galileo Galilei in a portrait attributed to Domenico Tintoretto
Galileo Galilei in a portrait attributed to Domenico TintorettoGalileo became one of the defining figures of telescopic astronomy.

Guided search

Filter the timeline

Work from top to bottom. Each choice narrows the options that follow.

0 active filters
1 Start with nationality
Alphabetically grouped countries.
2 Narrow the period
Grouped by century and automatically restricted by Country.
3 Person Name2, Name1
Choose a person. Names are displayed as Name2, Name1.
4 Choose a milestone
Alphabetically grouped events matching all selections above.
5 Record order Choose timeline direction
Choose the record order or clear all filter selections.

Interactive database

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Explore astronomy

More ways to explore the collection

Choose a curated route through the astronomy archive — follow landmark events, discover influential astronomers, browse themes, or explore the people directory.

Chronology Major Events in Astronomy Timeline Follow landmark observations, discoveries, instruments and missions in chronological order. People & discoveries Important Astronomers and Their Discoveries Meet major figures in astronomy and connect their work with the discoveries that changed our view of the universe. Subject guides Astronomy Topics and Subject Guides Explore focused guides to telescopes, planets, stars, cosmology, spaceflight and other major themes. A–Z directory Astronomers and Space Scientists A–Z Browse the full astronomy people directory and jump directly to individuals represented in the database.

Editorial provenance

Sources and editorial method

Compiled and edited by World History Database

Historical chronology compiled from the World History Database and checked against major scientific and historical reference sources.

Last reviewed: 29 September 2026.

The interactive database remains the underlying record collection. Dedicated Major Events, Important Astronomers, Astronomy Topics and People pages provide the editorial and directory context while the homepage remains focused on searching the records.

Reference sources

Explore related history

World history chronology · Historical events database · Historical biographies · History by date