absorption nebula

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absorption nebula

A mass of interstellar gas and dust that absorbs most or all of the light from the stars behind it. Absorption nebulae appear as irregular dark patches and collectively cover about two percent of the sky. Some absorption nebulae, especially the Coalsack near the constellations Centaurus and Southern Cross, are visible to the naked eye. Also called dark cloud, dark nebula. See more at nebula.

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dark cloud dark nebula nebula			Absorbability absorbable absorbance absorbate absorbed absorbed dose Absorbedly absorbefacient absorbency absorbent absorbent cotton Absorbent ground absorbent material absorber absorbing Absorbition Absorpt absorptance absorptiometry absorption absorption band absorption coefficient absorption costing absorption factor absorption indicator absorption nebula absorption spectrum absorption unit Absorptive Absorptiveness absorptivity absquatulate Absque hoc abstain abstain from abstainer abstemious abstemiously abstemiousness abstention Abstentious Absterge abstergent Absterse Abstersion Abstersive Abstersiveness abstinence Abstinency abstinent Abstinently			Absorption isotherm Absorption isotherm Absorption Isotherm Measurement absorption l absorption l absorption l absorption l absorption l absorption l's absorption l's absorption l's absorption l's absorption l's absorption lacuna absorption lacuna absorption lacuna absorption lens absorption limit Absorption Limiting Frequency Absorption line Absorption line Absorption lines Absorption lines Absorption lines Absorption lines Absorption lines absorption loss absorption meter Absorption Microscopy absorption modulation absorption nebula absorption nebulae absorption nebulae absorption nebulas absorption nebulas absorption number Absorption of electromagnetic radiation Absorption of Light absorption of mind Absorption of Sound Absorption of Waves absorption oil Absorption peak Absorption peak Absorption Phase Grating absorption plant absorption process absorption property absorption rate absorption rate absorption rate constant Absorption Rates Absorption Rates absorption ratio Absorption refrigeration Absorption Refrigeration Plant Absorption spectra Absorption spectra Absorption spectra Absorption spectrometry absorption spectrophotometer

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