If you go outside on a dark, clear night and look up, you might see many bright stars twinkling against a black background. Maybe the moon is in the sky, maybe not. Most of the stars are in the same place night after night but maybe there is one that moves a little bit each night making you think that it is a planet. Maybe you are lucky enough to watch shooting stars streak across the sky during a meteor shower. Or maybe even a large comet complete with tail brushing a bright path across the darkness. Just by going outside, gazing upwards, and taking in everything that you see, you are participating in the fascinating study of astronomy .
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