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How did Kepler "guess" his third law from data?

physics astronomy 17th-century kepler

modified Jan 20 at 5:03 Conifold 64.4k

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When was it realized that the giant planets do not have solid surfaces?

astronomy planets

answered Jan 18 at 11:48 Conifold 64.4k

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Has anyone explored Ptolemy's epicycles as an early form of Fourier analysis?

mathematics astronomy antiquity harmonic-analysis ptolemy

modified Dec 27 '21 at 10:45 Rodrigo de Azevedo 1,047

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228

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What is the origin of Zodiac (Kaalachakra) signs?

astronomy

modified Dec 24 '21 at 2:02 CommunityBot 1

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Can "Laplace limit" phenomenon be considered the first example of non-convergent Fourier series?

astronomy harmonic-analysis

modified Dec 22 '21 at 22:11 J. W. Tanner 227

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Name of Polaris before it became a pole star?

astronomy naming-conventions

modified Dec 18 '21 at 11:55 dotancohen 457

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Why do we call Tycho Brahe by his first name?

terminology astronomy brahe astronomers

answered Nov 24 '21 at 12:13 StormyTeacup 273

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What pre-GR alternatives to Vulcan were advanced to explain Mercury's perihelion precession?

astronomy gravity

answered Nov 8 '21 at 2:28 terry-s 2,593

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Did Ibn Al-Haytham believe that the Moon reflects sunlight or that it is self-luminous?

astronomy history middle-ages islamic-science

modified Nov 6 '21 at 11:04 Conifold 64.4k

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How accurate was the measurement of the period of Earth's orbit in the 19th Century?

physics astronomy gravity 19th-century

modified Oct 27 '21 at 16:03 Rodrigo de Azevedo 1,047

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In Newton's cannon image, where do the shapes drawn into the sphere come from?

physics astronomy newton gravity

answered Oct 21 '21 at 23:03 terry-s 2,593

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How was stellar parallax tested by Tycho Brahe?

astronomy 16th-century astronomers brahe

modified Oct 9 '21 at 9:33 Rodrigo de Azevedo 1,047

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Who were the other European astronomers who identified new stars around the time of Tycho Brahe?

astronomy astronomers

modified Oct 9 '21 at 9:31 Rodrigo de Azevedo 1,047

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Tycho Brahe and the distance to the fixed stars

astronomy brahe astronomers

modified Oct 9 '21 at 9:29 Rodrigo de Azevedo 1,047

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