It turns out that there was a reason - but you'll have to read the book to find out! Other works in the "creatures on the sun" genre include Proof by Hal Clement and Sundiver by David Brin.
Read the original article at Solar Tadpoles Wave At Astrophysicists; they also have a very cool solar tadpole animation that demonstrates the uncanny movement that gave birth to the name "tadpoles." Thanks to Fred Kiesche at the eternal golden braid for the tip and some sf background on this story.
(This Science Fiction in the News story used with permission from Technovelgy.com - where science meets fiction.)
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Bill Christensen is the founder and editor of Technovelgy, a website dedicated to cataloguing the inventions, technology and ideas of science fiction writers. Bill is a dedicated reader of science fiction with a passion about science and the history of ideas. For 10 years, he worked as writer creating technical documentation for large companies such as Ford, Unisys and Northern Telecom and currently works to found and maintain large websites. You can see Bill's latest project on Twitter.