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Blue giant. In astronomy, a blue giant is a hot star with a luminosity class of III ( giant) or II ( bright giant ). In the standard Hertzsprung–Russell diagram, these stars lie above and to the right of the main sequence . The term applies to a variety of stars in different phases of development, all evolved stars that have moved from the ...
The Blue Stars Drum and Bugle Corps was founded in 1964 by Frank Van Voorhis and David Dummer. That first year, there was only a color guard, but soon the color guard merged with the Apple Arrows Drum and Bugle Corps of La Crescent, Minnesota to become the Blue Stars. The Blue Stars took to the streets in 1965 as a competitive parade corps.
Stellar classification. In astronomy, stellar classification is the classification of stars based on their spectral characteristics. Electromagnetic radiation from the star is analyzed by splitting it with a prism or diffraction grating into a spectrum exhibiting the rainbow of colors interspersed with spectral lines.
Blue Star flag in window, June 2012. Blue Star Mothers of America, Inc. (BSMA), is a private nonprofit organization in the United States that provides support for mothers who have sons or daughters in active service in the U.S. Armed Forces. It was originally formed during World War II.
Linckia laevigata (sometimes called the "blue Linckia" or blue star) is a species of sea star in the shallow waters of tropical Indo-Pacific. Description and characteristics [ edit ] The variation ("polymorphism", in this case, a " color morph ") most commonly found is pure blue, dark blue, or light blue, although observers find the aqua ...
Luminous blue variable stars can undergo "giant outbursts" with dramatically increased mass loss and luminosity. η Carinae is the prototypical example, with P Cygni showing one or more similar outbursts 300–400 years ago, but dozens have now been catalogued in external galaxies.
A modern drum and bugle corps is a musical marching unit consisting of brass instruments, percussion instruments, electronic instruments, and color guard. Typically operating as independent non-profit organizations, corps perform in competitions, parades, festivals, and other civic functions. Participants of all ages are represented within the ...
A blue supergiant (BSG) is a hot, luminous star, often referred to as an OB supergiant. They are usually considered to be those with luminosity class I and spectral class B9 or earlier, [1] although sometimes A-class supergiants are also deemed blue supergiants.