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Most stars remain unchanging over huge periods of time; but some continually vary in brightness. Only long observation can reveal their secrets, and much of this patient work is done by amateurs. Patrick Moore describes the different types of variable stars, and discusses with John S. Glashy the vital role of amateur observers
Episode 10
Most stars remain unchanging over huge periods of time; but some continually vary in brightness. Only long observation can reveal their secrets, and much of this patient work is done by amateurs. Patrick Moore describes the different types of variable stars, and discusses with John S. Glashy the vital role of amateur observers
No cast information available.