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[3] The investigations by Von Asten (of
St. Petersburg) seem to support, and later
ones, especially those by Backlund (also of
St. Petersburg), seem to discredit, the idea
of a resisting medium.
15. THE FIXED STARS AND NEBUL.
Passing now from our solar system, which
appears to be subject to the action of the
same forces as those we experience on our
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