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Originally posted by minimi
Its Sirius (spelling???), the dog star. Being a double star, the light emitted is refracted strangely or something like that, making it glow different colours and look as though it is moving. I checked this out once in the space forum here.
Originally posted by Jehosephat
only real use for a powerful telescope is to see faint objects like nebual and distant galaxies. You can do basic star gazing with binoculars