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Saturn: Lord of the Rings

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How Saturn's rings have evolved under the influence of its moons. Phil Plait's BadAstronomy.com is the world's most popular astronomy blog. Hide Description

4 months ago

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Scientists ("these people") form ("get") estimates (like "time frames") by making direct observations and mathematical measurements of natural phenomena, many of which have predictable or constant attributes (things like the speed of light, the weight of a given molecule, etc.), then use that info to extrapolate larger or smaller examples of similar systems. Honestly. That's why science has more credibility than mythology or guesses. It's backed by verifiable knowledge and facts. See 2 other replies

4 months ago

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By measuring light through the spectrum and calculating its speed and distance into time. They also use triangulation to check distances in some instances. Most of the techniques are based off simple geometric axioms that are implemented on a massive scale. See 2 other replies

4 months ago

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Where do these people get their time frames? Honestly. See 2 other replies

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Saturn: Lord of the Rings

Astro Viz (9)

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