The correct answer is Aristotle Onassis
Answer:
John Hancock
Explanation:
He signed first since he was the president of Congress at the time.
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In the Battle of Waterloo in 1815.
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