Rho Cassiopeiae and Sun

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Difference between Rho Cassiopeiae and Sun

Rho Cassiopeiae vs. Sun

Rho Cassiopeiae (ρ Cas, ρ Cassiopeiae) is a yellow hypergiant star in the constellation Cassiopeia. The Sun is the star at the center of the Solar System.

Absolute magnitude

Absolute magnitude is a measure of the luminosity of a celestial object, on a logarithmic astronomical magnitude scale.

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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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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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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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Carbon

Carbon (from carbo "coal") is a chemical element with symbol C and atomic number 6.

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CNO cycle

The CNO cycle (for carbon–nitrogen–oxygen) is one of the two known sets of fusion reactions by which stars convert hydrogen to helium, the other being the proton–proton chain reaction.

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Earth mass

Earth mass (where ⊕ is the standard astronomical symbol for planet Earth) is the unit of mass equal to that of Earth.

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Helium

Helium (from lit) is a chemical element with symbol He and atomic number 2.

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Jupiter

Jupiter is the fifth planet from the Sun and the largest in the Solar System.

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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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Milky Way

The Milky Way is the galaxy that contains our Solar System.

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Neptune

Neptune is the eighth and farthest known planet from the Sun in the Solar System.

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Nitrogen

Nitrogen is a chemical element with symbol N and atomic number 7.

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Oxygen

Oxygen is a chemical element with symbol O and atomic number 8.

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Right ascension

Right ascension (abbreviated RA; symbol) is the angular distance measured only eastward along the celestial equator from the Sun at the March equinox to the (hour circle of the) point above the earth in question.

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Solar mass

The solar mass is a standard unit of mass in astronomy, equal to approximately.

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Sun

The Sun is the star at the center of the Solar System.

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Triple-alpha process

The triple-alpha process is a set of nuclear fusion reactions by which three helium-4 nuclei (alpha particles) are transformed into carbon.

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