Tycho Brahe

question 123

Multiple Choice

Tycho Brahe

• A) developed a reflecting telescope, which used a curved mirror to focus the light.
• B) developed the first detailed heliocentric model for the solar system, which replaced the geocentric model of Ptolemy.
• C) improved the refracting telescope, which allowed him to extend Galileo's observations of the sky.
• D) made accurate measurements of planetary positions, which Kepler later used to find the shapes of planetary orbits.

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