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servatory with this special object, to get ob-
servations of the moon in all phases.] He
also discovered other lunar equalities, and
wanted to add another epicycle to the moon’s
orbit, but he feared that these would soon
become unmanageable if further observa-
tions showed more new inequalities.
But, as it turned out, the most fruitful
work of Tycho Brahe was on the motions
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