Luigi La Bella from Melilli, Italy Sharpless 2–174, also known as the Rose of Valentine, is a faint emission nebula about 1,400 light-years away in the constellation Cepheus. It was first thought to be a planetary nebula abandoned by its once-central white dwarf, GD 561 (just below the bright star near the object’s pronounced blueContinue reading “A mysterious rose”
The post A mysterious rose appeared first on Astronomy Magazine.
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