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139 Juewa

Index 139 Juewa

139 Juewa is a very large and dark main belt asteroid. [1]

21 relations: Arecibo Observatory, Asteroid, Asteroid belt, Asteroid spectral types, Astronomer, Beijing, C-type asteroid, Carbonate, China, Degree (angle), James Craig Watson, Jet Propulsion Laboratory, Julian day, Julian year (astronomy), Kelvin, Occultation, P-type asteroid, Pinyin, Prince Gong, Star, Transit of Venus.

Arecibo Observatory

The Arecibo Observatory is a radio telescope in the municipality of Arecibo, Puerto Rico.

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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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Asteroid spectral types

An asteroid spectral type is assigned to asteroids based on their emission spectrum, color, and sometimes albedo (reflectivity).

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Astronomer

An astronomer is a scientist in the field of astronomy who concentrates their studies on a specific question or field outside the scope of Earth.

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Beijing

Beijing, formerly romanized as Peking, is the capital of the People's Republic of China, the world's second most populous city proper, and most populous capital city.

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C-type asteroid

C-type (carbonaceous) asteroids are the most common variety, forming around 75% of known asteroids.

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Carbonate

In chemistry, a carbonate is a salt of carbonic acid (H2CO3), characterized by the presence of the carbonate ion, a polyatomic ion with the formula of.

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China

China, officially the People's Republic of China (PRC), is a unitary one-party sovereign state in East Asia and the world's most populous country, with a population of around /1e9 round 3 billion.

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Degree (angle)

A degree (in full, a degree of arc, arc degree, or arcdegree), usually denoted by ° (the degree symbol), is a measurement of a plane angle, defined so that a full rotation is 360 degrees.

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James Craig Watson

James Craig Watson (January 28, 1838 – November 22, 1880) was a Canadian-American astronomer, discoverer of comets and minor planets, director of the Ann Arbor Observatory, and awarded with the Lalande Prize in 1869.

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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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Kelvin

The Kelvin scale is an absolute thermodynamic temperature scale using as its null point absolute zero, the temperature at which all thermal motion ceases in the classical description of thermodynamics.

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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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P-type asteroid

P-type asteroids have low albedo and a featureless reddish spectrum.

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Pinyin

Hanyu Pinyin Romanization, often abbreviated to pinyin, is the official romanization system for Standard Chinese in mainland China and to some extent in Taiwan.

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Prince Gong

Yixin (11January 1833– 29May 1898), better known in English as PrinceKung or Gong, was an imperial prince of the Aisin Gioro clan and an important statesman of the Manchu-led Qing dynasty in China.

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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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Transit of Venus

A transit of Venus across the Sun takes place when the planet Venus passes directly between the Sun and a superior planet, becoming visible against (and hence obscuring a small portion of) the solar disk.

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(139) Juewa.

References

[1] https://en.wikipedia.org/wiki/139_Juewa

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