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Find more facts and information on our topic page about cocoon

cocoon star

A Dictionary of Astronomy | 1997 | © A Dictionary of Astronomy 1997, originally published by Oxford University Press 1997. (Hide copyright information) Copyright

cocoon star A star surrounded by a dense cloud of gas and dust which absorbs some of the star's radiant energy and re-emits it at infrared wavelengths. In extreme cases the star may be completely obscured optically, leaving only an infrared source. OH–IR sources are examples of cocoon stars.

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Related entries from encyclopedias, dictionaries, and thesauruses

cocoon
Book article from: World Encyclopedia cocoon Case or wrapping produced by larval forms of animals (such...resting or pupal stage in their life cycle. Some spiders spin a cocoon that protects their eggs. Most cocoons are made of silk , and those of the domestic silkworm provide...
Cocoon Nebula
Book article from: A Dictionary of Astronomy Cocoon Nebula The diffuse nebula IC 5146 in Cygnus, a complex of light and dark nebulosity surrounding a sparse cluster with a 10th-magnitude star.
cocoon star
Book article from: A Dictionary of Astronomy cocoon star A star surrounded by a dense cloud of gas and dust which absorbs some of the star's radiant energy...completely obscured optically, leaving only an infrared source. OH–IR sources are examples of cocoon stars.
Silk
Book article from: How Products Are Made ...before it can break out of the cocoon so that the precious silk filament...more eggs. Generally, one cocoon produces between 1,000 and...caterpillar to glue the fiber into a cocoon, comprises about 10-25...silk material, about 3,000 cocoons are used. Sericulture Breeding...
pupa
Book article from: The Columbia Encyclopedia, Sixth Edition ...covering, called a cocoon, built by the larva...the pupa stage. Cocoons may be made of bits...Some moths form cocoons by wrapping leaves...together with silk. Cocoon building occurs in...and design of the cocoon vary greatly from...butterflies make cocoons, but the butterfly...

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