Blue giant (disambiguation)
Encyclopedia
Blue giant may refer to:

In astronomy
Astronomy
Astronomy is a natural science that deals with the study of celestial objects and phenomena that originate outside the atmosphere of Earth...

:
  • A blue giant
    Blue giant
    In astronomy, a blue giant is a star with a spectral type of O or B and a luminosity class of III...

    is a star
    Star
    A star is a massive, luminous sphere of plasma held together by gravity. At the end of its lifetime, a star can also contain a proportion of degenerate matter. The nearest star to Earth is the Sun, which is the source of most of the energy on Earth...

     with a spectral type of O or B (thus being noticeably blue in appearance) and a luminosity class of III (giant
    Giant star
    A giant star is a star with substantially larger radius and luminosity than a main sequence star of the same surface temperature. Typically, giant stars have radii between 10 and 100 solar radii and luminosities between 10 and 1,000 times that of the Sun. Stars still more luminous than giants are...

    ).
  • Neptune
    Neptune
    Neptune is the eighth and farthest planet from the Sun in the Solar System. Named for the Roman god of the sea, it is the fourth-largest planet by diameter and the third largest by mass. Neptune is 17 times the mass of Earth and is slightly more massive than its near-twin Uranus, which is 15 times...

    has been referred to as the Big Blue Giant due to the atmospheric hue.


Otherwise:
  • Blue Giant
    Blue giant
    In astronomy, a blue giant is a star with a spectral type of O or B and a luminosity class of III...

    , a band from Portland, Oregon
    Portland, Oregon
    Portland is a city located in the Pacific Northwest, near the confluence of the Willamette and Columbia rivers in the U.S. state of Oregon. As of the 2010 Census, it had a population of 583,776, making it the 29th most populous city in the United States...

    .
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