What is Jupiter made up of?

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Jupiter is composed primarily of hydrogen and helium. Under equilibrium conditions, the abundant chemically active elements are all expected to combine with hydrogen.Thus, during earlier study of Jupiter, it was surmised that methane, ammonia, water, and hydrogen sulfide would be present. Except for hydrogen sulfide, all these compounds have been found by spectroscopic observations from Earth.

What is Robert Hooke famous for?

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English physicist Robert Hooke is known for his discovery of the law of elasticity (Hooke’s law), for his first use of the word cell in the sense of a basic unit of organisms (describing the microscopic cavities in cork), and for his studies of microscopic fossils, which made him an early proponent of a theory of evolution.