The summer solstice is coming up and the sun is the object of our celebration. You might think it's because this part of the earth is rotating closer to the sun, but really we are approaching our greatest distance from the sun, but it's warmer here, why? Is the sun a special star when compared to the rest of the universe? Also we can't forget that 2009 is the International Year of Astronomy, find out about a very special shopping list written by Galileo.
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