SettingsAncient astronomy
Almagest
The Almagest is a 2nd-century mathematical and astronomical treatise on the apparent motions of the stars and planetary paths.
The Almagest is a 2nd-century mathematical and astronomical treatise on the apparent motions of the stars and planetary paths.
Antikythera mechanism
The Antikythera mechanism ( or ) is an ancient mechanical computer designed to calculate astronomical positions.
The Antikythera mechanism ( or ) is an ancient mechanical computer designed to calculate astronomical positions.
Apocalypse of John – dated astronomically
Die Offenbarung Johannis – Eine astronomisch-historische Untersuchung (The Revelation to John - An astronomic historical Investigation) is the title of the German edition of the 1905 book by the...
Die Offenbarung Johannis – Eine astronomisch-historische Untersuchung (The Revelation to John - An astronomic historical Investigation) is the title of the German edition of the 1905 book by the...
Archaeoastronomy
Archaeoastronomy is the study of how people in the past "have understood the phenomena in the sky, how they used phenomena in the sky, and what role the sky played in their cultures."
Archaeoastronomy is the study of how people in the past "have understood the phenomena in the sky, how they used phenomena in the sky, and what role the sky played in their cultures."
Aristarchus On the Sizes and Distances
On the Sizes and Distances (of the Sun and Moon) (Περὶ μεγεθῶν καὶ ἀποστημάτων ἡλίου καὶ σελήνης) is widely accepted as the only extant work written by Aristarchus of Samos, an ancient...
On the Sizes and Distances (of the Sun and Moon) (Περὶ μεγεθῶν καὶ ἀποστημάτων ἡλίου καὶ σελήνης) is widely accepted as the only extant work written by Aristarchus of Samos, an ancient...
Assyrian eclipse
The Assyrian eclipse is also known as Bur-Sagale (Bur-Saggile, Pur-Sagale or Par-Sagale) eclipse.
The Assyrian eclipse is also known as Bur-Sagale (Bur-Saggile, Pur-Sagale or Par-Sagale) eclipse.
Astrology and astronomy
Astrology and astronomy were archaically one and the same discipline (astrologia), and were only gradually recognized as separate in Western 17th century philosophy (the "Age of Reason").
Astrology and astronomy were archaically one and the same discipline (astrologia), and were only gradually recognized as separate in Western 17th century philosophy (the "Age of Reason").
Astronomical complex
An astronomical complex or commemorative astronomical complex is a series of man-made structures with an astronomical purposes.
An astronomical complex or commemorative astronomical complex is a series of man-made structures with an astronomical purposes.
Australian Aboriginal astronomy
Australian Aboriginal astronomy is a name given to indigenous Australian culture relating to astronomical subjects — such as the Sun and Moon, the stars, planets, and the Milky Way, and their mo...
Australian Aboriginal astronomy is a name given to indigenous Australian culture relating to astronomical subjects — such as the Sun and Moon, the stars, planets, and the Milky Way, and their mo...
Australian Aboriginal Astronomy Project
The Australian Aboriginal Astronomy Project is a collaboration of academics and Indigenous Elders researching the astronomical traditions and knowledge of Indigenous Australians, commonly termed...
The Australian Aboriginal Astronomy Project is a collaboration of academics and Indigenous Elders researching the astronomical traditions and knowledge of Indigenous Australians, commonly termed...
Biblical Magi
The Magi (; Greek: μάγοι, magoi), also referred to as the (Three) Wise Men, (Three) Kings, or Kings from the East, were, according to Christian Scripture, a gro...
The Magi (; Greek: μάγοι, magoi), also referred to as the (Three) Wise Men, (Three) Kings, or Kings from the East, were, according to Christian Scripture, a gro...
Bora (Australian)
A Bora is the name given both to an initiation ceremony of Indigenous Australians, and to the site on which the initiation is performed.
A Bora is the name given both to an initiation ceremony of Indigenous Australians, and to the site on which the initiation is performed.
Catasterismi
Catasterismi (Greek Καταστερισμοί, "Katasterismoi, placings among the stars") is an Alexandrian prose retelling of the mythic origins of stars and constellations, as they were ...
Catasterismi (Greek Καταστερισμοί, "Katasterismoi, placings among the stars") is an Alexandrian prose retelling of the mythic origins of stars and constellations, as they were ...
Classical planet
In antiquity the classical planets were the non-fixed objects visible in the sky, known to various ancient cultures.
In antiquity the classical planets were the non-fixed objects visible in the sky, known to various ancient cultures.
Counter-Earth
The Counter-Earth is a hypothetical body of the Solar system first hypothesized by the presocratic philosopher Philolaus to support his non-geocentric cosmology, in which all objects in the univ...
The Counter-Earth is a hypothetical body of the Solar system first hypothesized by the presocratic philosopher Philolaus to support his non-geocentric cosmology, in which all objects in the univ...
Decans
The Decans are 36 groups of stars which rise consecutively on the horizon throughout each earth rotation.
The Decans are 36 groups of stars which rise consecutively on the horizon throughout each earth rotation.
Dendera zodiac
The sculptured Dendera zodiac (or Denderah zodiac) is a widely known Egyptian bas-relief from the ceiling of the pronaos (or portico) of a chapel dedicated to Osiris in the Hathor templ...
The sculptured Dendera zodiac (or Denderah zodiac) is a widely known Egyptian bas-relief from the ceiling of the pronaos (or portico) of a chapel dedicated to Osiris in the Hathor templ...
El Caracol, Chichen Itza
El Caracol, the Observatory, is a unique structure at pre-Columbian Maya civilization site of Chichen Itza.
El Caracol, the Observatory, is a unique structure at pre-Columbian Maya civilization site of Chichen Itza.
Equant
Equant (or punctum aequans) is a mathematical concept developed by Claudius Ptolemy in the 2nd century AD to account for the observed motion of heavenly bodies.
Equant (or punctum aequans) is a mathematical concept developed by Claudius Ptolemy in the 2nd century AD to account for the observed motion of heavenly bodies.
Fifth planet (hypothetical)
In the history of astronomy, a handful of solar system bodies have been counted as the fifth planet from the sun.
In the history of astronomy, a handful of solar system bodies have been counted as the fifth planet from the sun.
Gods in the Sky
Gods in the Sky was a three-part British television series on Channel 4, covering astronomical religion in early civilisations.
Gods in the Sky was a three-part British television series on Channel 4, covering astronomical religion in early civilisations.
Golden number (time)
A golden number is ghetto is a legend is a number assigned to each year in sequence to indicate the year's position in a 19-year Metonic cycle.
A golden number is ghetto is a legend is a number assigned to each year in sequence to indicate the year's position in a 19-year Metonic cycle.
Greek astronomy
Greek astronomy refers to astronomy written in the Greek language in classical antiquity.
Greek astronomy refers to astronomy written in the Greek language in classical antiquity.
Hebrew astronomy
Hebrew astronomy refers to any astronomy written in Hebrew or by Hebrew speakers, or translated into Hebrew.
Hebrew astronomy refers to any astronomy written in Hebrew or by Hebrew speakers, or translated into Hebrew.
Indian astronomy
Historical Indian astronomy develops as a discipline of Vedanga or one of the "auxiliary disciplines" associated with the study of the Vedas.
Historical Indian astronomy develops as a discipline of Vedanga or one of the "auxiliary disciplines" associated with the study of the Vedas.
Leper Stone
The Leper Stone or Newport Stone is a large sarsen stone near the village of Newport, Essex.
The Leper Stone or Newport Stone is a large sarsen stone near the village of Newport, Essex.
Lost lands
Lost lands can be continents, islands or other regions supposedly existing during prehistory, having since disappeared as a result of catastrophic geological phenomena or slowly rising sea level...
Lost lands can be continents, islands or other regions supposedly existing during prehistory, having since disappeared as a result of catastrophic geological phenomena or slowly rising sea level...
Lunar standstill
At a major lunar standstill, which takes place every 18.6 years, the range of the declination of the Moon reaches a maximum.
At a major lunar standstill, which takes place every 18.6 years, the range of the declination of the Moon reaches a maximum.
Maya calendar
The Maya calendar is a system of calendars used in pre-Columbian Mesoamerica, and in many modern communities in highland Guatemala and in Veracruz, Oaxaca and Chiapas, Mexico.
The Maya calendar is a system of calendars used in pre-Columbian Mesoamerica, and in many modern communities in highland Guatemala and in Veracruz, Oaxaca and Chiapas, Mexico.
Metonic cycle
In astronomy and calendar studies, the Metonic cycle or Enneadecaeteris (from Greek words for nineteen years) is a period of very close to 19 years which is remarkable for being very nearl...
In astronomy and calendar studies, the Metonic cycle or Enneadecaeteris (from Greek words for nineteen years) is a period of very close to 19 years which is remarkable for being very nearl...
Myth of Er
The Myth of Er is an eschatological legend that concludes Plato's The Republic (10.614-10.621).
The Myth of Er is an eschatological legend that concludes Plato's The Republic (10.614-10.621).
On Sizes and Distances
On Sizes and Distances of the Sun and Moon
Περὶ μεγεθῶν καὶ ἀποστημάτων – Peri megethon kai apostematon is a text by the ancient Greek astronomer Hipparchus.
On Sizes and Distances of the Sun and Moon
Περὶ μεγεθῶν καὶ ἀποστημάτων – Peri megethon kai apostematon is a text by the ancient Greek astronomer Hipparchus.
Out of the Ordinary Festival
Out of the Ordinary Festival is a family and eco friendly festival near Hailsham- Grid reference TQ 569 088) in the Sussex countryside.
Out of the Ordinary Festival is a family and eco friendly festival near Hailsham- Grid reference TQ 569 088) in the Sussex countryside.
Portingbury Hills
Portingbury Hills or Portingbury Rings is a hill in Hatfield Forest, Little Hallingbury, Hatfield Broad Oak suggested to date to the Iron Age or Bronze Age.
Portingbury Hills or Portingbury Rings is a hill in Hatfield Forest, Little Hallingbury, Hatfield Broad Oak suggested to date to the Iron Age or Bronze Age.
Pretelescopic astronomy
Pretelescopic astronomy is the science of observing celestial objects with the naked eye.
Pretelescopic astronomy is the science of observing celestial objects with the naked eye.
Somnium Scipionis
The Dream of Scipio (Latin, Somnium Scipionis), written by Cicero, is the sixth book of De re publica, and describes a fictional dream vision of the Roman general Scipio Aemilianus, set two ...
The Dream of Scipio (Latin, Somnium Scipionis), written by Cicero, is the sixth book of De re publica, and describes a fictional dream vision of the Roman general Scipio Aemilianus, set two ...
Spherical Earth
The concept of a spherical Earth dates back to ancient Greek philosophy from around the 6th century BC, but remained a matter of philosophical speculation until the 3rd century BC when...
The concept of a spherical Earth dates back to ancient Greek philosophy from around the 6th century BC, but remained a matter of philosophical speculation until the 3rd century BC when...
Star lore
Star lore or starlore is the creating and cherishing of mythical stories about the stars and star patterns (constellations and asterisms); that is, folklore based upon the stars and star p...
Star lore or starlore is the creating and cherishing of mythical stories about the stars and star patterns (constellations and asterisms); that is, folklore based upon the stars and star p...
Sublunary sphere
The sublunary sphere is a concept derived from Greek astronomy.
The sublunary sphere is a concept derived from Greek astronomy.
The Indestructibles
The Indestructibles is the name given by the Egyptians to refer to two bright stars that always could be seen circling the North Pole.
The Indestructibles is the name given by the Egyptians to refer to two bright stars that always could be seen circling the North Pole.
Tianquiztli
Tianquiztli which in translation means "Marketplace".
Tianquiztli which in translation means "Marketplace".
Trepidation (astronomy)
According to a medieval theory of astronomy, trepidation is oscillation in the precession of the equinoxes.
According to a medieval theory of astronomy, trepidation is oscillation in the precession of the equinoxes.
Wandlebury Enigma
The Wandlebury Enigma refers to a number of suggested hypotheses about the purpose, function and decoration of Wandlebury Hill.
The Wandlebury Enigma refers to a number of suggested hypotheses about the purpose, function and decoration of Wandlebury Hill.
Zodiac
In both astrology and historical astronomy, the zodiac is a circle of twelve 30° divisions of celestial longitude that are centered upon the ecliptic: the apparent path of the Sun across the cel...
In both astrology and historical astronomy, the zodiac is a circle of twelve 30° divisions of celestial longitude that are centered upon the ecliptic: the apparent path of the Sun across the cel...