page_title: Variable nebula
hierarchical_section_title: Variable nebula
caption_attribution_description: English: An image of en:NGC 2261 by the en:Hubble space telescope. Credit: HST/en:NASA/en:JPL. http://www.spacetelescope.org/images/html/opo9935c.html
context_page_description: A Variable nebula is a reflection nebula that gets brighter and darker because of changes in its star.
context_section_description: A Variable nebula is a reflection nebula that gets brighter and darker because of changes in its star.
caption: A Hubble Space Telescope picture of NGC 2261, a variable nebula.
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