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Summary 
Loading AI-generated summary based on World History Encyclopedia articles ...
This answer was generated by Perplexity AI drawing on articles from World History Encyclopedia. Please remember that artificial intelligence can make mistakes. For more detailed information, please read the source articles linked above.
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Definition
Edmond Halley
Edmond Halley (1656-1742) was an English astronomer, mathematician, and cartographer. Halley's Comet is named after him since he accurately predicted its return in 1758. One of the early globetrotting scientists, Halley led several maritime...
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Edmond Halley’s Travels
A map illustrating the travels of the English polymath (astronomer, mathematician, geophysicist, and meteorologist, …) Edmond Halley (1656–1742) during the late 17th and early 18th centuries. From his earlier voyage on an East India Company...
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Edmond Halley by Murray
A c. 1690 portrait by Thomas Murray of the English scientist and cartographer Edmond Halley (1656-1742).
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Bust of Edmond Halley
A bust of the English scientist and cartographer Edmond Halley (1656-1742). The bust was made in 1904 by Henry Alfred Pegram. (Royal Greenwich Observatory Museum)
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Astronomy in the Scientific Revolution
The astronomers of the Scientific Revolution rejected long-held theories of ancient thinkers like Claudius Ptolemy and Aristotle and instead set out to systematically observe the heavens in order to create a model of the universe that fit...
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Observatories in the Scientific Revolution
The foundation of observatories during the Scientific Revolution (1500-1700) followed a process of evolution from entirely independent observatories operated by a single astronomer to private observatories which received state or private...
Definition
Johannes Hevelius
Johannes Hevelius (1611-1687) was a Polish astronomer based in Danzig (Gdańsk). He worked from his own privately funded observatory, creating maps of the Moon's surface, discovering the first variable star, and spotting several new comets...
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Halley's Comet
An image captured in 1986 of Halley's Comet, named after the English scientist and cartographer Edmond Halley (1656-1742) who accurately predicted its orbit in relation to Earth.
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Magnetic Sea Chart by Halley
A detail of a chart showing lines of magnetic compass variation made in 1702 by the English scientist and cartographer Edmond Halley (1656-1742). Halley hoped the chart would aid navigation but the variations in magnetism over time made it...
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Halley Memorial Plaque
A memorial plaque in Westminster Abbey commemorating the achievements of the English scientist and cartographer Edmond Halley (1656-1742).
