Science quiz: The discovery of Epimetheus

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Visual: The moon is known as for a titan in Greek mythology who’s the brother of Y. Together, Epimetheus and Y stand for Hindsight and Foresight. Name Y, the picture depicts him performing a legendary motion.

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Name the American astronomer credited with discovering Epimetheus. He was truly verifying Audoin Dollfus’s pictures, wherein the latter had found a special moon. Astronomers later realised the moon the American had noticed was a brand new one: Epimitheus.

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Epimetheus shares its orbit with one other moon, X, the one Audoin Dollfus had discovered. Kepler’s legal guidelines stipulate that the moon nearer to Saturn ought to full its orbit first, however the two moons’ orbits differ so little that they full their orbits solely 30 seconds aside. Name X.

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The two moons, Epimethius and X from Q2, periodically meet up with one another as they transfer round Saturn, and ____ ______. Fill within the blanks with an uncommon phenomenon that’s the end result of the moons’ gravitational interplay inflicting them to share and redistribute their momentum.

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Both Epimetheus and X (from Q2) are collectively referred to as ________ _____ as a result of they’ve sufficient mass for his or her gravitational pull to brush up any mud and rocks of their respective orbits. Other examples of such moons embody Daphnis. Fill within the blanks.

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Epimetheus seems to have darker terrain and smoother terrain as two sorts, and astronomers have causes to consider the fabric in each areas is wealthy in _____ ___. Fill within the blanks.