diffuse nebula

(redirected from Gaseous nebulae)
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Noun1.diffuse nebula - a cluster of stars within an intricate cloud of gas and dustdiffuse nebula - a cluster of stars within an intricate cloud of gas and dust
nebula - an immense cloud of gas (mainly hydrogen) and dust in interstellar space
Orion, Hunter - a constellation on the equator to the east of Taurus; contains Betelgeuse and Rigel
References in periodicals archive ?
Modern spectral examination of gaseous nebulae, in both the emitted and absorption spectrums, confirm that the major constituent of the universe is hydrogen in one form or another.
Less familiar are his studies of gaseous nebulae. In his early years at Mount Wilson, he conducted a survey to find new planetary nebulae (PNe) using an objective prism mounted on the 10-inch Cooke wide-angle camera.
Stellar interiors, gaseous nebulae and the interstellar medium are largely comprised of plasmas.