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Butterfly Star Flaps Its Rainbow Wings | Space Photo of the Day for Sept. 4, 2025

Astronomers found that 15 of 20 edge-on protoplanetary disks show tilt and asymmetry, a key factor in understanding planet formation processes, study says.

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The James Webb Space Telescope caught a glimpse of a young star with a protoplanetary disk surrounding it.

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Butterfly Star flaps its rainbow wings | Space photo of the day for Sept. 4, 2025

The James Webb Space Telescope caught a glimpse of a young star with a protoplanetary disk surrounding it.

·United States
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The Butterfly Star And Its Planet-Forming Disk

The so-called Butterfly star gets its name from its edge-on appearance. The star's protoplanetary disk blocks out starlight revealing a nebula, or butterfly wing, on each side. Deeper JWST observations show the disk is tilted and asymmetrical, which affects how planets form.

·United States
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Universe Today broke the news in United States on Thursday, September 4, 2025.
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