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68 relations: Ancient Egypt, Ancient Greece, Ancient Greek, Aswan, Aswan Dam, Aswan Low Dam, Axial precession, Babylonia, Cairo, Calendar, Celestial navigation, Circumpolar star, Civilization, Conjunction (astronomy), Coptic calendar, Crux, Dawn, Decan, Eclipse, Ecliptic, Egyptian astronomy, Egyptian calendar, Elephantine, First Point of Aries, Flooding of the Nile, Full moon, Galaxy, Gregorian calendar, Heliopolis (ancient Egypt), Horizon, Inferior and superior planets, Julian calendar, Latitude, Leap year, Lunar eclipse, Mapuche, Matariki, Māori people, Mediterranean Sea, Memphis, Egypt, New Year, New Zealand, Nile, Occultation, Opposition (planets), Orion (constellation), Oxford English Dictionary, Oxford University Press, Pleiades, Polaris, ..., Sirius, Solar eclipse, Sothic cycle, South America, Stanford University, Star, Star cluster, Sumer, Sunrise, Sunset, Syzygy (astronomy), Taurus (constellation), Thebes, Egypt, Transit (astronomy), Tropical year, Tropics, Zodiac, 88 modern constellations. Expand index (18 more) »
Ancient Egypt
Ancient Egypt was a civilization of ancient Northeastern Africa, concentrated along the lower reaches of the Nile River - geographically Lower Egypt and Upper Egypt, in the place that is now occupied by the countries of Egypt and Sudan.
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Ancient Greece
Ancient Greece was a civilization belonging to a period of Greek history from the Greek Dark Ages of the 13th–9th centuries BC to the end of antiquity (AD 600).
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Ancient Greek
The Ancient Greek language includes the forms of Greek used in ancient Greece and the ancient world from around the 9th century BC to the 6th century AD.
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Aswan
Aswan (أسوان; ⲥⲟⲩⲁⲛ) is a city in the south of Egypt, the capital of the Aswan Governorate.
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Aswan Dam
The Aswan Dam, or more specifically since the 1960s, the Aswan High Dam, is an embankment dam built across the Nile in Aswan, Egypt, between 1960 and 1970.
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Aswan Low Dam
The Aswan Low Dam or Old Aswan Dam is a gravity masonry buttress dam on the Nile River in Aswan, Egypt.
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Axial precession
In astronomy, axial precession is a gravity-induced, slow, and continuous change in the orientation of an astronomical body's rotational axis.
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Babylonia
Babylonia was an ancient Akkadian-speaking state and cultural area based in central-southern Mesopotamia (present-day Iraq).
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Cairo
Cairo (القاهرة) is the capital of Egypt.
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Calendar
A calendar is a system of organizing days for social, religious, commercial or administrative purposes.
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Celestial navigation
Celestial navigation, also known as astronavigation, is the ancient and modern practice of position fixing that enables a navigator to transition through a space without having to rely on estimated calculations, or dead reckoning, to know their position.
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Circumpolar star
A circumpolar star is a star, as viewed from a given latitude on Earth, that never sets below the horizon due to its apparent proximity to one of the celestial poles.
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Civilization
A civilization or civilisation (see English spelling differences) is any complex society characterized by urban development, social stratification imposed by a cultural elite, symbolic systems of communication (for example, writing systems), and a perceived separation from and domination over the natural environment.
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Conjunction (astronomy)
In astronomy, a conjunction occurs when two astronomical objects or spacecraft have either the same right ascension or the same ecliptic longitude, usually as observed from Earth.
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Coptic calendar
The Coptic calendar, also called the Alexandrian calendar, is a liturgical calendar that was used by the Coptic Orthodox Church and is still used in Egypt.
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Crux
Crux is a constellation located in the southern sky in a bright portion of the Milky Way.
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Dawn
Dawn, from an Old English verb dagian: "to become day", is the time that marks the beginning of twilight before sunrise.
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Decan
The decans (Egyptian bakiu) are 36 groups of stars (small constellations) used in the Ancient Egyptian astronomy.
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Eclipse
An eclipse is an astronomical event that occurs when an astronomical object is temporarily obscured, either by passing into the shadow of another body or by having another body pass between it and the viewer.
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Ecliptic
The ecliptic is the circular path on the celestial sphere that the Sun follows over the course of a year; it is the basis of the ecliptic coordinate system.
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Egyptian astronomy
Egyptian astronomy begins in prehistoric times, in the Predynastic Period.
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Egyptian calendar
The ancient Egyptian calendar was a solar calendar with a 365-day year.
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Elephantine
Elephantine (Gazīrat il-Fantīn; Ἐλεφαντίνη) is an island on the Nile, forming part of the city of Aswan in Upper Egypt.
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First Point of Aries
The First Point of Aries, also known as the Cusp of Aries, is the location of the vernal equinox, used as a reference point in celestial coordinate systems.
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Flooding of the Nile
The flooding of the Nile has been an important natural cycle in Egypt since ancient times.
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Full moon
The full moon is the lunar phase when the Moon appears fully illuminated from Earth's perspective.
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Galaxy
A galaxy is a gravitationally bound system of stars, stellar remnants, interstellar gas, dust, and dark matter.
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Gregorian calendar
The Gregorian calendar is the most widely used civil calendar in the world.
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Heliopolis (ancient Egypt)
Heliopolis was a major city of ancient Egypt.
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Horizon
The horizon or skyline is the apparent line that separates earth from sky, the line that divides all visible directions into two categories: those that intersect the Earth's surface, and those that do not.
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Inferior and superior planets
In the Solar System, a planet is said to be inferior with respect to another planet if its orbit lies inside the other planet's orbit around the Sun.
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Julian calendar
The Julian calendar, proposed by Julius Caesar in 46 BC (708 AUC), was a reform of the Roman calendar.
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Latitude
In geography, latitude is a geographic coordinate that specifies the north–south position of a point on the Earth's surface.
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Leap year
A leap year (also known as an intercalary year or bissextile year) is a calendar year containing one additional day (or, in the case of lunisolar calendars, a month) added to keep the calendar year synchronized with the astronomical or seasonal year.
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Lunar eclipse
A lunar eclipse occurs when the Moon passes directly behind Earth and into its shadow.
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Mapuche
The Mapuche are a group of indigenous inhabitants of south-central Chile and southwestern Argentina, including parts of present-day Patagonia.
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Matariki
In the Māori language Matariki is both the name of the Pleiades star cluster and also of the season of its first rising in late May or early June.
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Māori people
The Māori are the indigenous Polynesian people of New Zealand.
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Mediterranean Sea
The Mediterranean Sea is a sea connected to the Atlantic Ocean, surrounded by the Mediterranean Basin and almost completely enclosed by land: on the north by Southern Europe and Anatolia, on the south by North Africa and on the east by the Levant.
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Memphis, Egypt
Memphis (مَنْف; ⲙⲉⲙϥⲓ; Μέμφις) was the ancient capital of Aneb-Hetch, the first nome of Lower Egypt.
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New Year
New Year is the time or day at which a new calendar year begins and the calendar's year count increments by one.
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New Zealand
New Zealand (Aotearoa) is a sovereign island country in the southwestern Pacific Ocean.
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Nile
The Nile River (النيل, Egyptian Arabic en-Nīl, Standard Arabic an-Nīl; ⲫⲓⲁⲣⲱ, P(h)iaro; Ancient Egyptian: Ḥ'pī and Jtrw; Biblical Hebrew:, Ha-Ye'or or, Ha-Shiḥor) is a major north-flowing river in northeastern Africa, and is commonly regarded as the longest river in the world, though some sources cite the Amazon River as the longest.
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Occultation
An occultation is an event that occurs when one object is hidden by another object that passes between it and the observer.
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Opposition (planets)
In positional astronomy, two astronomical objects are said to be in opposition when they are on opposite sides of the celestial sphere, as observed from a given body (usually Earth).
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Orion (constellation)
Orion is a prominent constellation located on the celestial equator and visible throughout the world.
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Oxford English Dictionary
The Oxford English Dictionary (OED) is the main historical dictionary of the English language, published by the Oxford University Press.
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Oxford University Press
Oxford University Press (OUP) is the largest university press in the world, and the second oldest after Cambridge University Press.
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Pleiades
The Pleiades (also known as the Seven Sisters and Messier 45), are an open star cluster containing middle-aged, hot B-type stars located in the constellation of Taurus.
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Polaris
Polaris, designated Alpha Ursae Minoris (Ursae Minoris, abbreviated Alpha UMi, UMi), commonly the North Star or Pole Star, is the brightest star in the constellation of Ursa Minor.
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Sirius
Sirius (a romanization of Greek Σείριος, Seirios,."glowing" or "scorching") is a star system and the brightest star in the Earth's night sky.
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Solar eclipse
A solar eclipse (as seen from the planet Earth) is a type of eclipse that occurs when the Moon passes between the Sun and Earth, and when the Moon fully or partially blocks ("occults") the Sun.
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Sothic cycle
The Sothic cycle or Canicular period is a period of 1,461 Egyptian civil years of 365 days each or 1,460 Julian years averaging 365¼ days each.
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South America
South America is a continent in the Western Hemisphere, mostly in the Southern Hemisphere, with a relatively small portion in the Northern Hemisphere.
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Stanford University
Stanford University (officially Leland Stanford Junior University, colloquially the Farm) is a private research university in Stanford, California.
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Star
A star is type of astronomical object consisting of a luminous spheroid of plasma held together by its own gravity.
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Star cluster
Star clusters are groups of stars.
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Sumer
SumerThe name is from Akkadian Šumeru; Sumerian en-ĝir15, approximately "land of the civilized kings" or "native land".
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Sunrise
Sunrise or sun up is the instant at which the upper edge of the Sun appears over the horizon in the morning.
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Sunset
Sunset or sundown is the daily disappearance of the Sun below the horizon as a result of Earth's rotation.
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Syzygy (astronomy)
In astronomy, a syzygy (from the Ancient Greek σύζυγος suzugos meaning, "yoked together") is a (usually) straight-line configuration of three or more celestial bodies in a gravitational system.
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Taurus (constellation)
Taurus (Latin for "the Bull") is one of the constellations of the zodiac, which means it is crossed by the plane of the ecliptic.
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Thebes, Egypt
Thebes (Θῆβαι, Thēbai), known to the ancient Egyptians as Waset, was an ancient Egyptian city located east of the Nile about south of the Mediterranean.
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Transit (astronomy)
In astronomy, a transit or astronomical transit is the phenomenon of at least one celestial body appearing to move across the face of another celestial body, hiding a small part of it, as seen by an observer at some particular vantage point.
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Tropical year
A tropical year (also known as a solar year) is the time that the Sun takes to return to the same position in the cycle of seasons, as seen from Earth; for example, the time from vernal equinox to vernal equinox, or from summer solstice to summer solstice.
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Tropics
The tropics are a region of the Earth surrounding the Equator.
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Zodiac
The zodiac is an area of the sky that extends approximately 8° north or south (as measured in celestial latitude) of the ecliptic, the apparent path of the Sun across the celestial sphere over the course of the year.
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88 modern constellations
In modern astronomy, the sky (celestial sphere) is divided into 88 regions called constellations, generally based on the asterisms (which are also called "constellations") of Greek and Roman mythology.
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Redirects here:
Heliacal, Heliacal rise, Heliacal rising and setting, Heliacal risings, Heliacal setting, Helical rising.
References
[1] https://en.wikipedia.org/wiki/Heliacal_rising
