One of tycho brahe's major contributions to astronomy was to prove that A comet was outside of Earths atmosphere.
One of tycho brahe's major contributions to astronomy was to prove that A Supernova was much farther away than the planets.
These are his two contributions
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Women’s participation in the abolitionist movement allowed them to raise issues of their own natural rights largely because it turned them into activists. It gave them the idea that they could participate in the political arena just as men could.
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