![A Ghostly Presence](https://www.nasa.gov/wp-content/uploads/2023/03/171083main_image_feature_775_ys_full.jpg)
A Ghostly Presence
This composite image shows Z Camelopardalis, or Z Cam, a double-star system. The Z Cam system features a collapsed, dead star, called a white dwarf, and its companion star, as well as a ghostly shell around the system. The massive shell provides evidence of lingering material ejected during, and swept up by, a powerful explosion.
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https://www.nasa.gov/image-detail/ghostly-presence/
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