Page 639 - 89 history of astronomy_opt

a cluster of minute stars. At that time the
opinion gained ground that with increase of
telescopic power this would prove to be the
˜
case with all nebulA.
In 1864 all doubt was dispelled by Huggins[23]
in his first examination of the spectrum of
a nebula, and the subsequent extension of
˜
this observation to other nebulA; thus pro-
viding a certain test which increase in the
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