{"slug": "edmond-halley", "label": "Edmond Halley", "wikipedia": "https://en.wikipedia.org/wiki/Edmond_Halley", "wikidata": "https://www.wikidata.org/wiki/Q47434", "qid": "Q47434", "description": "English astronomer, mathematician, geophysicist, meteorologist and physicist (1656–1742)", "entries": 10, "years": 8, "span": [1682, 1742], "span_label": ["1682 CE", "1742 CE"], "topics": [{"title": "Science & Discovery", "count": 8}, {"title": "Culture & Society", "count": 1}, {"title": "Deaths", "count": 1}], "related": [{"slug": "isaac-newton", "label": "Isaac Newton", "shared": 3}, {"slug": "sweden", "label": "Sweden", "shared": 1}, {"slug": "august", "label": "August", "shared": 1}, {"slug": "january", "label": "January", "shared": 1}, {"slug": "royal-society", "label": "Royal Society", "shared": 1}, {"slug": "halley-s-comet", "label": "Halley's Comet", "shared": 1}], "items": [{"year": 1682, "year_label": "1682 CE", "section": "Science & Discovery", "date": "August 23", "text": "August 23 – A comet that will later become known as Comet Halley, is observed from several locations on Earth after reaching magnitude 2 and becoming visible to the naked eye. Arthur Storer sees it from the North American colony of Maryland, while German astronomer Johannes Hevelius measures it from Danzig (now Gdansk in Poland). Edmond Halley successfully predicts that it will return in 1758.", "cite": {"url": "https://en.wikipedia.org/w/index.php?oldid=1369560956#July–September", "title": "1682", "revid": 1369560956, "section": "Events › July–September"}}, {"year": 1684, "year_label": "1684 CE", "section": "Science & Discovery", "date": "August", "text": "August – Edmond Halley goes to Cambridge to discuss the problem of planetary motion with Isaac Newton.", "cite": {"url": "https://en.wikipedia.org/w/index.php?oldid=1366005630#July–September", "title": "1684", "revid": 1366005630, "section": "Events › July–September"}}, {"year": 1684, "year_label": "1684 CE", "section": "Science & Discovery", "date": "December 10", "text": "December 10 – Isaac Newton's derivation of Kepler's laws from his theory of gravity, contained in the paper De motu corporum in gyrum, is read to the Royal Society by Edmond Halley.", "cite": {"url": "https://en.wikipedia.org/w/index.php?oldid=1366005630#October–December", "title": "1684", "revid": 1366005630, "section": "Events › October–December"}}, {"year": 1684, "year_label": "1684 CE", "section": "Science & Discovery", "date": "January", "text": "January – Edmond Halley, Christopher Wren and Robert Hooke have a conversation in which Hooke later claimed not only to have derived the inverse-square law, but also all the laws of planetary motion attributed to Sir Isaac Newton. Hooke's claim is that in a letter to Newton on 6 January 1680, he first stated the inverse-square law.", "cite": {"url": "https://en.wikipedia.org/w/index.php?oldid=1366005630#January–March", "title": "1684", "revid": 1366005630, "section": "Events › January–March"}}, {"year": 1693, "year_label": "1693 CE", "section": "Science & Discovery", "date": null, "text": "English astronomer Edmond Halley studies records of births and deaths in Breslau (Poland), producing a life table consolidating year of birth and age at death. He uses this to work out the price of life annuities.", "cite": {"url": "https://en.wikipedia.org/w/index.php?oldid=1343170745#Date_unknown", "title": "1693", "revid": 1343170745, "section": "Events › Date unknown"}}, {"year": 1700, "year_label": "1700 CE", "section": "Culture & Society", "date": "September 6", "text": "September 6 – Edmond Halley returns to England after a voyage of almost one year on HMS Paramour, from which he has observed the Antarctic Convergence, and publishes his findings on terrestrial magnetism in General Chart of the Variation of the Compass.", "cite": {"url": "https://en.wikipedia.org/w/index.php?oldid=1366570351#July–September", "title": "1700", "revid": 1366570351, "section": "Events › July–September"}}, {"year": 1705, "year_label": "1705 CE", "section": "Science & Discovery", "date": null, "text": "Edmond Halley publicly predicts the periodicity of Halley's Comet and computes its expected path of return in 1758.", "cite": {"url": "https://en.wikipedia.org/w/index.php?oldid=1355353320#Date_unknown", "title": "1705", "revid": 1355353320, "section": "Events › Date unknown"}}, {"year": 1715, "year_label": "1715 CE", "section": "Science & Discovery", "date": "May 3", "text": "May 3 – A total solar eclipse is seen across southern England, Sweden and Finland (the last total eclipse visible in London for almost 900 years). English astronomer Edmond Halley (who is using the old style Julian calendar date of April 22) records the first observation noted of the phenomenon of \"Baily's beads\", in which higher elevations on the moon can be observed obscuring portions of the light moments before and after totality.", "cite": {"url": "https://en.wikipedia.org/w/index.php?oldid=1355668843#April–June", "title": "1715", "revid": 1355668843, "section": "Events › April–June"}}, {"year": 1720, "year_label": "1720 CE", "section": "Science & Discovery", "date": "February 10", "text": "February 10 – Edmond Halley is appointed as Astronomer Royal for England.", "cite": {"url": "https://en.wikipedia.org/w/index.php?oldid=1358044251#January–March", "title": "1720", "revid": 1358044251, "section": "Events › January–March"}}, {"year": 1742, "year_label": "1742 CE", "section": "Deaths", "date": "January 14", "text": "January 14 – Edmond Halley dies; James Bradley succeeds him as Astronomer Royal of Great Britain.", "cite": {"url": "https://en.wikipedia.org/w/index.php?oldid=1360184270#January–March", "title": "1742", "revid": 1360184270, "section": "Events › January–March"}}]}