Emission nebula (English Wikipedia)

Analysis of information sources in references of the Wikipedia article "Emission nebula" in English language version.

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esahubble.org

"Hubble revisits the Monkey Head Nebula for 24th birthday snap". ESA/Hubble Press Release. 17 March 2014. Retrieved 25 January 2023.
"Cosmic Silver Lining". Retrieved 25 January 2023.

"Nebulae." (October 2014) World of Physics, Gale In Context: Science, Doc no. CV2434500333, Retrieved May 27, 2023.

Belleville, Michelle (Jan 13, 2023). "Emission Nebulae". Hubble's Nebulae. NASA. Retrieved May 27, 2023.

"20.3 Cosmic Dust - Astronomy | OpenStax". openstax.org. 13 October 2016. Retrieved 2022-02-15.

McArthur, Frommert; Kronberg, Christine (12 April 2006). "Messier 42". Messier Object Index. Retrieved 17 July 2007.