Q:

What is the difference between a star and a sun?

A:

Quick Answer

The Sun is a type of star. The Sun, which sits at the center of the solar system, is classified as a G-type main-sequence star, also referred to as a G-dwarf star or a yellow dwarf.

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What is the difference between a star and a sun?
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Full Answer

As a G-type star, the characteristics of the Sun, such as mass, color and temperature, differ from other types of stars. The Sun is brighter and burns hotter than the red dwarf, the most common star in the Milky Way galaxy. The Sun is also larger in mass than most nearby stars. While the Sun is white and yellow in color, other types of stars can be blue, orange or red.

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Related Questions

  • Q:

    What is the nearest star to our solar system?

    A:

    The nearest star to the solar system is the Sun, but the nearest star to the solar system excluding the Sun is Proxima Centauri. The Sun is located about 93 million miles away from Earth, while Proxima Centauri lies about 4.22 light years away.

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  • Q:

    What is the final stage of life for a star as massive as the Sun?

    A:

    After stars like the Sun expand to become red giants, they will end their lives as a white dwarf star, until finally dimming to become a black dwarf. White dwarf stars are made from the collapsed cores of red giants, once the outer layers of the star have been expelled.

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  • Q:

    What is a dying star called?

    A:

    A dying star is a called a "red giant." This is a star whose diameter is many times greater than that of the sun (despite the fact that it is cooler). The brightness of a red giant comes from its shell, which is still burning hydrogen.

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  • Q:

    How big is a star?

    A:

    Stars vary in size from less than 8 percent of the size of the sun to those with diameters of more than 1,800 times that of the sun. In terms of mass, stars must have enough mass to support the nuclear chain reaction that takes place in the core of a star, which is about 10 percent of the sun’s mass. There is also a limit to how massive starts can grow, and scientists suspect that the limit is about 150 times the mass of the sun.

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