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单词 starspot
释义

> as lemmas

starspot
starspot n. Astronomy a region of lower brightness and more intense magnetic activity on the surface of a star, equivalent to a sunspot.
ΚΠ
1900 G. J. Stoney in Nature 8 Mar. 444/1 According as the sun or other star shrinks, its sun-spot or star-spot period will presumably undergo some change.
1947 Sci. News Let. 20 Dec. 397/1 The patches—Dr. Kron says he is not yet prepared to say they are ‘star spots’—were observed on the smaller, sun-like star of AR Lacertae.
1990 F. Pohl World at End of Time (1993) 61 Blue light was particularly good for looking for starspots.
2001 D. Weldrake in P. Moore 2002 Yearbk. Astron. ii. 181 Such large starspots have been observed on red supergiant stars such as Betelgeux.
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