what is a lunar eclipse, what does the moon do to the tides, what is a solar eclipse, how many days does it take for the Earth to rotate around the sun, what axis is the earth on, how many years does it take to make a leap year , why is a year 365.25 days , what makes a low tide and a high tide , what is a quarter moon , how does a full moon happen.

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Kas taastada automaatselt salvestatud ?