Nebular Theory Flashcard

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What is the Nebular Theory?

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The Nebular Theory is a model that explains the formation of the Solar System from a rotating cloud of gas and dust, known as a solar nebula.

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What evidence do scientists use to understand the formation of the Solar System?

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Scientists use evidence from space probes and telescopes to study the composition and behavior of celestial bodies.

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What elements were primarily formed during the Big Bang?

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Hydrogen and Helium were the primary elements formed during the Big Bang.

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What is a Jovian planet?

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Jovian planets, also known as gas giants, are large planets that are primarily composed of hydrogen and helium, such as Jupiter, Saturn, Uranus, and Neptune.

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Which planet is not a Jovian planet?

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Venus is not a Jovian planet; it is a terrestrial planet.

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What is a protoplanetary disk?

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A protoplanetary disk is a rotating disk of dense gas and dust surrounding a newly formed star, where planets begin to form.

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What are planetesimals?

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Planetesimals are small celestial bodies that form from the material in a protoplanetary disk and can collide to form larger bodies, like planets.

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What role do space probes play in studying the Solar System?

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Space probes collect data and images from various celestial bodies, helping scientists understand their composition and history.

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What is the significance of the Kuiper Belt?

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The Kuiper Belt is a region of the Solar System beyond Neptune, containing many small icy bodies, including dwarf planets like Pluto.

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How do telescopes contribute to our understanding of the universe?

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Telescopes allow scientists to observe distant celestial objects, gathering data on their properties and behaviors.