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77 Frigga

Index 77 Frigga

77 Frigga is a large, M-type, possibly metallic main-belt asteroid. [1]

22 relations: Asteroid, Asteroid belt, Astronomical unit, Chord (astronomy), Christian Heinrich Friedrich Peters, Enstatite chondrite, Frigg, Iron meteorite, Jet Propulsion Laboratory, Julian day, Julian year (astronomy), List of minor planet discoverers, M-type asteroid, Metal, Mineral hydration, Norse mythology, Occultation, Planetary and Space Science, Radar astronomy, Spectral line, Star, Wavelength.

Asteroid

Asteroids are minor planets, especially those of the inner Solar System.

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Asteroid belt

The asteroid belt is the circumstellar disc in the Solar System located roughly between the orbits of the planets Mars and Jupiter.

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Astronomical unit

The astronomical unit (symbol: au, ua, or AU) is a unit of length, roughly the distance from Earth to the Sun.

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Chord (astronomy)

In the field of astronomy the term chord typically refers to a line crossing an object which is formed during an occultation event.

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Christian Heinrich Friedrich Peters

Christian Heinrich Friedrich Peters (September 19, 1813 – July 18, 1890) was a German–American astronomer, and a pioneer in the study of asteroids.

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Enstatite chondrite

Enstatite chondrites (also known as E-type chondrites) are a rare form of meteorite thought to comprise only about 2% of the chondrites that fall on Earth.

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Frigg

In Germanic mythology, Frigg (Old Norse), Frija (Old High German), Frea (Langobardic), and Frige (Old English) is a goddess.

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Iron meteorite

Iron meteorites are meteorites that consist overwhelmingly of an iron–nickel alloy known as meteoric iron that usually consists of two mineral phases: kamacite and taenite.

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Jet Propulsion Laboratory

The Jet Propulsion Laboratory (JPL) is a federally funded research and development center and NASA field center in Pasadena, California, United States, with large portions of the campus in La Cañada Flintridge, California.

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Julian day

Julian day is the continuous count of days since the beginning of the Julian Period and is used primarily by astronomers.

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Julian year (astronomy)

In astronomy, a Julian year (symbol: a) is a unit of measurement of time defined as exactly 365.25 days of SI seconds each.

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List of minor planet discoverers

This is a list of all astronomers who are credited by the Minor Planet Center (MPC) with the discovery of one or several minor planets.

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M-type asteroid

M-type asteroids are asteroids of partially known composition; they are moderately bright (albedo 0.1–0.2).

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Metal

A metal (from Greek μέταλλον métallon, "mine, quarry, metal") is a material (an element, compound, or alloy) that is typically hard when in solid state, opaque, shiny, and has good electrical and thermal conductivity.

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Mineral hydration

Mineral hydration is an inorganic chemical reaction where water is added to the crystal structure of a mineral, usually creating a new mineral, usually called a hydrate.

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Norse mythology

Norse mythology is the body of myths of the North Germanic people stemming from Norse paganism and continuing after the Christianization of Scandinavia and into the Scandinavian folklore of the modern period.

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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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Planetary and Space Science

Planetary and Space Science, published 15 times per year, is a peer-reviewed scientific journal established in 1959.

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Radar astronomy

Radar astronomy is a technique of observing nearby astronomical objects by reflecting microwaves off target objects and analyzing the reflections.

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Spectral line

A spectral line is a dark or bright line in an otherwise uniform and continuous spectrum, resulting from emission or absorption of light in a narrow frequency range, compared with the nearby frequencies.

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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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Wavelength

In physics, the wavelength is the spatial period of a periodic wave—the distance over which the wave's shape repeats.

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Redirects here:

(77) Frigga, Frigga (asteroid).

References

[1] https://en.wikipedia.org/wiki/77_Frigga

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