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Halley, Edmond, An Estimate of the Degrees of the Mortality of Mankind (1693) Halley, Edmond, Some Considerations about the Cause of the Universal Deluge (1694) A synopsis of the astronomy of comets By Edmund Halley, Savilian Professor of Geometry, at Oxford; And Fellow of the Royal Society. Translated from the Original, printed at Oxford ...
Johann Georg Palitzsch. Johann Georg Palitzsch (11 June 1723 in Prohlis [] [modern Dresden], Electorate of Saxony, Holy Roman Empire) – 21 February 1788 in Prohlis) was a German astronomer who became famous for recovering Comet 1P/Halley (better known as Halley's Comet) on Christmas Day, 1758. [1]
Omega Centauri (ω Cen, NGC 5139, or Caldwell 80) is a globular cluster in the constellation of Centaurus that was first identified as a non-stellar object by Edmond Halley in 1677. Located at a distance of 17,090 light-years (5,240 parsecs ), it is the largest known globular cluster in the Milky Way at a diameter of roughly 150 light-years. [ 10 ]
The three historical figures featured in the episode's narrative sequence, from left to right, Edmund Halley (1656 – 1742), Robert Hooke (1635 – 1703) and Isaac Newton (1642 – 1727) The episode begins with Tyson describing how we were born into this world without an explanation of our surroundings, much like a baby abandoned on a doorstep.
Officially designated 1P/Halley, it is also commonly called Comet Halley, or sometimes simply Halley. Halley's periodic returns to the inner Solar System have been observed and recorded by astronomers around the world since at least 240 BC, but it was not until 1705 that the English astronomer Edmond Halley understood that these appearances ...
At the time of the 1986 return (technically, "apparition") of the comet, astronomical telescopes and related instrumentation were vastly more sensitive than for any previous apparition. Consequently, the International Halley Watch (IHW) was organized to stimulate, standardize, collect, and archive observations of the comet.
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Edmond Halley, due to the lack of an assistant and only one vertical wire in his transit, confined himself to the use of a mural quadrant built by George Graham after its erection in 1725 at the Royal Observatory, Greenwich. Bradley's first observation with that quadrant was made on 15 June 1742. [1]