Science
What scientist discovered that sunspots occur in an eleven-year cycle?
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What is the speed of Earth (Sol 3) around its primary (the sun, Sol)?
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Besides the V rockets for Germany, what was the most famous rocket that von Braun developed?
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What part of a plant obtains food and water from the soil and provides support?
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Which planet in Earth's solar system has the largest diameter?
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A covering of ice crystals on the ground is known as what?
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Ian Shelton, who discovered Supernova 1987A, while observing in Chile, was working for what university?
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