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JUPITER 2E PB (Smithsonian Library of the Solar System)

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When did scientists realize that Jupiter had no solid ground?
Introduces Jupiter and its moons, describes what is known about Jupiter’s structure and magnetic field, and looks at its collision with comet fragments

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When did scientists realize that Jupiter had no solid ground?(r/askscience)

As several people have pointed out, the question is not “what is Jupiter’s structure” or “When did scientists realize that Jupiter had an atmosphere”, it’s “when did scientists realize it had no solid ground?”. It’s about the history of knowledge of the interior composition. Since, recent spacecraft results suggest it may gradually transition into something like a small solid core, let’s interpret the question as, “When did we first realize that Jupiter wasn’t a rocky planet”?

To solve this problem, you need to calculate the mass of Jupiter and its size, so you can find its density. The mass of Jupiter can be calculated using Newtonian orbital mechanics, provided you know the orbital period and orbital diameter of its moons. Period is easy, but a major historical problem in solar system studies was finding the relative scale of everything: it’s easy to measure angles and relative sizes with a telescope, but we need the actual length dimensions. You need a baseline distance to start with, such as the distance from the Earth to the Sun: this was worked out in the late 1600s: from that, the size of Jupiter, the size of its moons’ orbits, and…

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askscience

Number Of Links

1

Amazon Price

$0.0374

Book Binding

Paperback

Type Code

ABIS_BOOK

Book Author

BEEBE R

Book Edition

2

Book Publisher

Smithsonian

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JUPITER 2E PB (Smithsonian Library of the Solar System)

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When did scientists realize that Jupiter had no solid ground?

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