• Swerdlow, "Hipparchus on the distance of the sun," Centaurus 14 (1969), 287–305. G. J. Toomer, "Hipparchus on the distances of the sun and moon," Archive...
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  • Thumbnail for On the Sizes and Distances (Aristarchus)
    On the Sizes and Distances (of the Sun and Moon) (Ancient Greek: Περὶ μεγεθῶν καὶ ἀποστημάτων [ἡλίου καὶ σελήνης], romanized: Perì megethôn kaì apostēmátōn...
    14 KB (2,020 words) - 04:58, 29 October 2024
  •  230 BC) On Sizes and Distances (Hipparchus), by Hipparchus (c. 190 – c. 120 BC) This disambiguation page lists articles associated with the title On Sizes and...
    373 bytes (74 words) - 16:48, 1 December 2020
  • Thumbnail for Hipparchus
    also the distance from the Earth to the Sun. Greek mathematics On the Sizes and Distances (Aristarchus) On the Sizes and Distances (Hipparchus) Posidonius...
    85 KB (10,341 words) - 14:38, 1 May 2025
  • Thumbnail for Ancient Greek astronomy
    kilometers. Hipparchus wrote another book On the Sizes and Distances of the Sun and Moon, which has not survived. Both Aristarchus and Hipparchus drastically...
    34 KB (4,243 words) - 01:37, 4 May 2025
  • Thumbnail for Euclid
    optics field, Optics, and lesser-known works including Data and Phaenomena. Euclid's authorship of On Divisions of Figures and Catoptrics has been questioned...
    45 KB (4,421 words) - 16:05, 4 May 2025
  • Thumbnail for Squaring the circle
    Squaring the circle (category Straightedge and compass constructions)
    elaborate on the circle-squaring problem and its metaphorical meanings, including a contrast between unity of truth and factionalism, and the impossibility...
    45 KB (4,922 words) - 22:07, 19 April 2025
  • Thumbnail for Ancient Greek mathematics
    Habitations and On Days and Nights, Aristarchus's On the Sizes and Distances, Autolycus's On Risings and Settings, and Hypsicles's On Ascensions. These...
    52 KB (6,356 words) - 06:01, 17 May 2025
  • Thumbnail for Antikythera mechanism
    Antikythera mechanism (category Commons category link is on Wikidata)
    This motion was studied in the 2nd century BC by astronomer Hipparchus of Rhodes, and he may have been consulted in the machine's construction. There...
    132 KB (13,493 words) - 08:17, 18 May 2025
  • Thumbnail for Apollonius's theorem
    sides of any triangle equals twice the square on half the third side, together with twice the square on the median bisecting the third side. The theorem...
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  • Thumbnail for Aristarchus of Samos
    disc; and one hemispherical. Aristarchus estimated the sizes of the Sun and Moon as compared to Earth's size. He also estimated the distances from the...
    24 KB (2,809 words) - 03:35, 21 April 2025
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    pp. 5–9. ISBN 978-0-226-84882-2. Toomer, G.J. (1974). "Hipparchus on the distances of the sun and moon". Archive for History of Exact Sciences. 14 (2):...
    53 KB (5,401 words) - 19:39, 1 May 2025
  • Thumbnail for Lunar distance
    2266 smallest distance: 356 352.93 km on November 13, 1054 BC An AU is 389 Lunar distances. A lightyear is 24,611,700 Lunar distances. Geostationary...
    42 KB (4,408 words) - 21:49, 30 March 2025
  • Thumbnail for Counter-Earth
    Counter-Earth (category Commons category link is on Wikidata)
    of the dense elements of earth and water. According to Burch, If there was a single Earth revolving at some distance from the center of space, then the...
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  • states the following in his Commentary on the First Book of Euclid's Elements: But Neoclides was junior to Leodamas, and his disciple was Leon; who added many...
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  • Thumbnail for A History of Greek Mathematics
    Geminus) XVI. Some handbooks (Cleomedes, Nicomachus, and Theon of Smyrna) XVII. Trigonometry: Hipparchus, Menelaus, Ptolemy XVIII. Mensuration: Heron of Alexandria...
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  • Thumbnail for Almagest
    Almagest (category Commons category link is on Wikidata)
    all his predecessors. Hipparchus' celestial globe had an ecliptic drawn in, but the coordinates were equatorial. Since Hipparchus' star catalogue has not...
    47 KB (5,186 words) - 17:06, 4 May 2025
  • works on geometry and astronomy building on Euclid's Elements. Other works in the collection included Aristarchus' On the Sizes and Distances, Autolycus'...
    16 KB (1,486 words) - 23:00, 5 February 2025
  • Thumbnail for Parallax in astronomy
    Parallax in astronomy (category Length, distance, or range measuring devices)
    in terms of the distance to the Moon was already proposed by Aristarchus of Samos in his book On the Sizes and Distances of the Sun and Moon. He noted...
    35 KB (5,048 words) - 03:54, 31 January 2025
  • Thumbnail for History of trigonometry
    apparently compiled by Hipparchus of Nicaea (180 – 125 BC), who is now consequently known as "the father of trigonometry." Hipparchus was the first to tabulate...
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  • oldest learned society in the United States, dating to 1743. On Sizes and Distances (Hipparchus) "Fellows List - August 1988 - MacArthur Foundation" Archived...
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  • Delphi On a Wound by Premeditation On Conoids and Spheroids On Floating Bodies On Horsemanship On Ideas On Justice On Sizes and Distances (Hipparchus) On Spirals...
    155 KB (13,514 words) - 08:56, 11 May 2025
  • Thumbnail for Ptolemy
    Ptolemy (category Commons link is on Wikidata)
    these two approaches was Hipparchus, who produced geometric models that not only reflected the arrangement of the planets and stars but could be used to...
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  • the Earth-Sun distance, and then it also represents the size and direction of the Earth-Sun gravitational acceleration. Other distances in the diagram...
    51 KB (6,854 words) - 11:50, 7 April 2025
  • Thumbnail for Timeline of ancient Greek mathematicians
    and he put the other planets in their correct order of distance around the Sun. In On the Sizes and Distances, he calculates the sizes of the Sun and...
    21 KB (1,456 words) - 18:13, 12 May 2025
  • Thumbnail for Parsec
    the sizes of large-scale structures such as the size of, and distance to, the CfA2 Great Wall; the distances between galaxy clusters; and the distance to...
    29 KB (3,337 words) - 18:07, 9 May 2025
  • Thumbnail for Magnitude (astronomy)
    was introduced in ancient times by Hipparchus. Magnitude values do not have a unit. The scale is logarithmic and defined such that a magnitude 1 star...
    26 KB (2,920 words) - 22:39, 14 May 2025
  • Thumbnail for Deferent and epicycle
    developed by Apollonius of Perga and Hipparchus of Rhodes, who used it extensively, during the 2nd century BC, then formalized and extensively used by Ptolemy...
    35 KB (4,567 words) - 16:45, 2 December 2024
  • Thumbnail for Eratosthenes
    Antarctica. Hipparchus (c. 190 – c. 120 BC), a Greek mathematician who measured the radii of the Sun and the Moon as well as their distances from the Earth...
    39 KB (4,207 words) - 18:28, 20 April 2025
  • Thumbnail for Equant
    Equant (section Hipparchus)
    Hipparchus comes to us through citations of his works by Ptolemy. Hipparchus' models' features explained differences in the length of the seasons on Earth...
    15 KB (2,072 words) - 14:40, 4 October 2023