The scientist who formulated the three laws of planetary motion by analyzing the data on the precise location of planets in the sky was: Johannes Kepler
<h3>What was the finding of Johann Kepler?</h3>
German mathematician and astronomer Johannes Kepler made the discovery that the Earth and planets had elliptical orbits around the sun. He listed the three guiding principles of planetary motion.
Planets circle the sun in an elliptical pattern, which is explained by Kepler's first rule, sometimes known as the law of ellipses. A pencil, two tacks, a rope, a sheet of paper, and a piece of cardboard may all be used to create an ellipse.
According to Kepler's second rule, a planet travels in its orbit so that a line drawn between it and the Sun and focused on it covers the same amount of space in the same amount of time.
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If you are talking about frequency in terms of waves, it is in seconds^-1
Answer:
Pythons and boa constrictors have tiny hind leg bones buried in muscles toward their tail ends. Such features, either useless or poorly suited to performing specific tasks, are described as vestigial. ... Vestigial legs are a clue that snakes descended from lizards.
Explanation:
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In times of stress the sympathetic nervous system stimulates the adrenal medulla which then secretes catecholamines. The catecholamines includes; Dopamine, epinephrine and norepinephrine. Catecholamines are made by nerve tissue, the brain, and the adrenal glands. They help the body respond to stress or fright and prepare the body for "fight or flight" reactions.