![](http://www.alamy.com/thumbs/6/BC8A7C47-8357-435C-AEEC-D44F17A8A810/2T2FJ8C.jpg)
Artist's impression of an ultra-hot Neptune.
Artist's impression of an ultra-hot Neptune. Ultra-hot Neptunes are hot Neptunes with very extreme high temperature ranges. LTT 9779 b is the first ultra-hot Neptune discovered with an orbital period of 19 hours and an atmospheric temperature of over 1700 degrees Celsius.
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Photo credit: © Pablo Carlos Budassi/Stocktrek Images / Alamy / Afripics
License: Royalty Free
Model Released: No
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