Question

question 1 what did tycho brahes work contribute to the heliocentric model? answer i dont know yet observations of solar positions that did not match up with geocentric model predictions. observations of star positions that did not match up with ptolemys geocentric predictions. observations of star positions that did not match up with copernicuss heliocentric predictions. observations of planetary positions that did not match up with ptolemys geocentric predictions.

Explanation:

Tycho Brahe's precise planetary position observations conflicted with Ptolemy's geocentric model predictions, supporting the heliocentric model development.

Answer:

Observations of planetary positions that did not match up with Ptolemy's geocentric predictions.