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517797

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Tycho Brahe was one of the first astronomers to suggest that the Sun is the centreof the Universe

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517798

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Ganymede is the largest moon in the solar system

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517799

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The primary constituent of the atmosphere of Titan is carbon dioxide.

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517800

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There's visible water in Mars's atmosphere.

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517801

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Mercury is seen in opposition several times a year

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517802

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Saturn's rings are less than 100m thick

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517803

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Synodic time is measured with respect to the position of the stars.

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517804

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Most asteroids reside in near-circular orbits between Mars and Jupiter

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517805

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Visible light telescopes are larger than radio telescopes.

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517806

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The Lagrangian Zone is the region around a planet where planetary rings can form.

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517807

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An asteroid has an orbital period is 2.8 years. Its perihelion is 1.0 AU. What's its distance from the sun at aphelion?

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517808

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Pluto's radius is 1186 km. When it's at opposition and 40 AU from the sun what's its angular distance from Earth in arcseconds?

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517809

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Waterloo's latitude is 43.5. A star at declination of 43.5 is directly overhead Waterloo how many times per day?

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518833

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Titan is the largest moon of Jupiter

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Explanation

It's Ganymede.

517810

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When the moon is in third quarter, the moonrise occurs at approximately

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