Learn Constellations with a Planisphere


"The movements of the stars have taxed the human mind throughout the ages — from ancient Babylonians seeking to predict sky events, to Greek philosophers wrestling with the structure of the universe, to beginning skywatchers today trying to figure out where's the Andromeda Galaxy. The turning of the celestial sphere perplexes everyone who takes up skywatching, but sooner or later the picture snaps into place and the whole setup becomes obvious. However, those who think the sky's motion is inherently simple should try explaining to a beginner why every star follows a different curved path across the sky at a different speed. And why do some stars move from west to east while most move east to west? Can you explain why some constellations turn somersaults during the night while others just tilt from side to side? ..."
Sky and Telescope
W - Planisphere
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