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  2. Edmond Halley - Wikipedia

    en.wikipedia.org/wiki/Edmond_Halley

    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 ...

  3. Halley Lectures - Wikipedia

    en.wikipedia.org/wiki/Halley_Lectures

    The Halley Lectures are a series of annual public lectures hosted by the University of Oxford, in memory of the astronomer Edmond Halley.Currently, some podcasts of the lectures can be found through the Oxford Physics Public Lectures [1] These lectures aim to promote public understanding and engagement with science, mathematics, and related fields, and to inspire new generations of researchers ...

  4. De motu corporum in gyrum - Wikipedia

    en.wikipedia.org/wiki/De_motu_corporum_in_gyrum

    Theorem 2 considers a body moving uniformly in a circular orbit, and shows that for any given time-segment, the centripetal force (directed towards the center of the circle, treated here as a center of attraction) is proportional to the square of the arc-length traversed, and inversely proportional to the radius.

  5. When Knowledge Conquered Fear - Wikipedia

    en.wikipedia.org/wiki/When_Knowledge_Conquered_Fear

    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.

  6. Messier 13 - Wikipedia

    en.wikipedia.org/wiki/Messier_13

    Messier 13 was discovered by Edmond Halley in 1714, [2] and cataloged by Charles Messier on June 1, 1764, [9] into his list of objects not to mistake for comets; Messier's list, including Messier 13, eventually became known as the Messier catalog. [10] It is located at right ascension 16 h 41.7 m, declination +36° 28'. Messier 13 is often ...

  7. Orionids - Wikipedia

    en.wikipedia.org/wiki/Orionids

    The Orionids meteor shower is produced by Halley's Comet, which was named after the astronomer Edmund Halley and last passed through the inner Solar System in 1986 on its 75–76 year orbit. [10] When the comet passes through the Solar System, the Sun sublimates some of the ice, allowing rock particles to break away from the comet.

  8. List of astronomical observatories - Wikipedia

    en.wikipedia.org/wiki/List_of_astronomical...

    Southern Operations Center: La Serena, Chile; Northern Operations Center: Hilo, Hawaii, US George Observatory 1989 Brazos Bend State Park, near Houston, Texas, US Giant Meterwave Radio Telescope (GMRT) 1995 Pune, Maharashtra, India Gifford Observatory: 1912 Wellington, New Zealand Girawali Observatory: 2006 Pune, Maharashtra, India

  9. Johann Georg Palitzsch - Wikipedia

    en.wikipedia.org/wiki/Johann_Georg_Palitzsch

    In his 1705 book Synopsis of the Astronomy of Comets, Edmond Halley had calculated that a comet seen in 1682 was the same one seen in 1607 and 1531, which was orbiting the Sun due to Newton's laws of motion, and that it would therefore return in 1758. Both Halley and Newton had since died.