Page 442 - 89 history of astronomy_opt

cius, or Schemer was the first to see the
spots. They all did good work. The spots
were found to be ever varying in size and
shape. Sometimes, when a spot disappears
at the western limb of the sun, it is never
seen again. In other cases, after a fortnight,
it reappears at the eastern limb. The facu-
lae, or bright areas, which are seen all over
the sun’s surface, but specially in the neigh-
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