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30 relations: Apparent magnitude, Asterism (astronomy), Astronomical spectroscopy, Cancer (constellation), Chinese astronomy, Constellation, Cyanogen, Delta Cancri, Effective temperature, Gamma Cancri, Ghost (Chinese constellation), Giant star, Latinisation of names, Light-year, Main sequence, Minute and second of arc, Monthly Notices of the Royal Astronomical Society, Photosphere, Radial velocity, Solar luminosity, Solar mass, Solar radius, Spectral line, Star, Stellar classification, Stellar evolution, Stellar parallax, Sun, Theta Cancri, Zodiac.
Apparent magnitude
The apparent magnitude of a celestial object is a number that is a measure of its brightness as seen by an observer on Earth.
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Asterism (astronomy)
In observational astronomy, an asterism is a popular known pattern or group of stars that are recognised in the night sky.
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Astronomical spectroscopy
Astronomical spectroscopy is the study of astronomy using the techniques of spectroscopy to measure the spectrum of electromagnetic radiation, including visible light and radio, which radiates from stars and other celestial objects.
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Cancer (constellation)
Cancer is one of the twelve constellations of the zodiac.
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Chinese astronomy
Astronomy in China has a long history, beginning from the Shang Dynasty (Chinese Bronze Age).
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Constellation
A constellation is a group of stars that are considered to form imaginary outlines or meaningful patterns on the celestial sphere, typically representing animals, mythological people or gods, mythological creatures, or manufactured devices.
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Cyanogen
Cyanogen is the chemical compound with the formula (CN)2.
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Delta Cancri
Delta Cancri (δ Cancri, abbreviated Delta Cnc, δ Cnc) is a double star approximately 180 light-years from the Sun in the constellation of Cancer.
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Effective temperature
The effective temperature of a body such as a star or planet is the temperature of a black body that would emit the same total amount of electromagnetic radiation.
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Gamma Cancri
Gamma Cancri (γ Cancri, abbreviated Gamma Cnc, γ Cnc) is a multiple star system in the constellation of Cancer.
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Ghost (Chinese constellation)
The Ghost mansion is one of the Twenty-eight mansions of the Chinese constellations.
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Giant star
A giant star is a star with substantially larger radius and luminosity than a main-sequence (or dwarf) star of the same surface temperature.
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Latinisation of names
Latinisation or Latinization is the practice of rendering a non-Latin name (or word) in a Latin style.
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Light-year
The light-year is a unit of length used to express astronomical distances and measures about 9.5 trillion kilometres or 5.9 trillion miles.
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Main sequence
In astronomy, the main sequence is a continuous and distinctive band of stars that appear on plots of stellar color versus brightness.
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Minute and second of arc
A minute of arc, arcminute (arcmin), arc minute, or minute arc is a unit of angular measurement equal to of one degree.
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Monthly Notices of the Royal Astronomical Society
Monthly Notices of the Royal Astronomical Society (MNRAS) is a peer-reviewed scientific journal covering research in astronomy and astrophysics.
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Photosphere
The photosphere is a star's outer shell from which light is radiated.
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Radial velocity
The radial velocity of an object with respect to a given point is the rate of change of the distance between the object and the point.
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Solar luminosity
The solar luminosity,, is a unit of radiant flux (power emitted in the form of photons) conventionally used by astronomers to measure the luminosity of stars, galaxies and other celestial objects in terms of the output of the Sun.
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Solar mass
The solar mass is a standard unit of mass in astronomy, equal to approximately.
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Solar radius
Solar radius is a unit of distance used to express the size of stars in astronomy.
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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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Stellar classification
In astronomy, stellar classification is the classification of stars based on their spectral characteristics.
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Stellar evolution
Stellar evolution is the process by which a star changes over the course of time.
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Stellar parallax
Stellar parallax is the apparent shift of position of any nearby star (or other object) against the background of distant objects.
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Sun
The Sun is the star at the center of the Solar System.
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Theta Cancri
Theta Cancri, Latinized from θ Cancri, is a multiple star system in the zodiac constellation of Cancer, 410 light years from Earth.
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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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References
[1] https://en.wikipedia.org/wiki/Eta_Cancri
