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Twinkle Twinkle Little Stars, Just How Big Do You Think They Are?

Every one who ever attended nursery school knows the rhyme, part of which was quoted in the headline. And looking to the night sky, you observe those twinkly stars and wonder if they are really that small or if they just appear so. But what are the facts? In our voyage, we will consider how [...]

Science Corner: What is a Satellite?

Global Positioning System Satellite (GPS) orbiting round the Earth I know what you are thinking. You are thinking along the lines of your DSTV satellite dish, or the type you see in Science documentaries, and movies like Gravity, and The Martian. Well, you may not be too far from the truth. A Satellite [...]