diffuse nebula

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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 ?
Above the Belt, in the Sword, is the bright nebula Messier 42, visible with binoculars and breathtaking through a telescope.
The Horsehead is a dark nebula overlaying the bright nebula IC 434.
In another project, Japanese astronomer Masami Ouchi of the University of Tokyo will observe Himiko, a very distant galaxy that produces at least 100 suns' worth of stars every year and surrounded by a giant, bright nebula.
magdalena@mweb.co.za Object Type RA (J2000.0) Dec NGC 1711 Open Cluster 04 (h) 50 (m) 6 -69[degrees]50' NGC 1737 Emission Nebula 04 54 0 -69 10 NGC 1743 Diffuse Nebula 04 54 5 -69 12 NGC 1782 Open Cluster/Neb 04 57 8 -69 23 NGC 1809 Galaxy 05 02 5 -69 34 NGC 1854 Globular Cluster 05 09 3 -68 51 NGC 1910 Open Cluster 05 18 7 -69 14 NGC 2070 Bright Nebula 05 38 6 -69 06 NGC 2074 Bright Nebula 05 39 3 -69 30 NGC 2100 Open Cluster 05 42 2 -69 13 Object Type Mag.
Object Type Magnitude Size NGC 2264 Open cluster 3.9 20' NGC 7662 Planetary nebula 9.2 20" x 130" M87 Galaxy 8.6 7' M78 Bright nebula 8.0 8' x 6' M46 Open cluster 6.1 27' M47 Open cluster 4.4 30' NGC 7331 Galaxy 9.5 11 x 4' M20 Bright nebula 8.5 29' x 27' Object RA Dec.
Slightly higher in the south,at the bottom of the constellation known as Scutum, we can see two more Bright nebula.
Last year, using the Very Large Array radio telescope near Socorro, they took an image of a bright nebula surrounding the pulsar and compared it with an image taken in 1993.