He established that planetary orbits are ellipses rather than circles.

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Your new ahaJohannes Kepler

Kepler's laws of planetary motion showed that planets travel in elliptical, not circular, orbits. Source: Johannes Kepler ↗

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14The voyage of HMS Beagle helped this naturalist develop his account of evolution by natural selection.IDENTIFY
Charles Darwin
Darwin's voyage aboard HMS Beagle helped shape his theory of evolution by natural selection.
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15An antibacterial mould in a contaminated culture led him to discover penicillin.IDENTIFY
Alexander Fleming
Fleming discovered penicillin by accident after noticing mold contaminating one of his petri dishes.
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16This French microbiologist developed vaccines against rabies and anthrax.IDENTIFY
Louis Pasteur
Pasteur developed pasteurization and created early vaccines for both rabies and anthrax.
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