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Some materials require the Flash 6 plug-in

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Telescopes with Solar Filters
The transit of Venus is best viewed directly when magnified, which
demands a telescope with a solar filter. A filtered, magnifi ed view will clearly
show the planet Venus and sunspots
(
http://skyandtelescope.com/observing/objects/sun/article_101_1.asp). Never look through
a telescope without a solar filter on the large end of the scope. And never use small solar filters that attach
to the eyepiece (as found in some older, cheaper telescopes.) See "Solar Filters" as cited above for a list
of retailers.
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