Quantum redactiones paginae "Ascensio recta" differant
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Linea 9:
RA can be used to determine a star's location and to determine how long it will take for a star to reach a certain point in the sky. For example, if a star with RA = 01:30:00 is at your meridian, then a star with RA = 20:00:00 will be in the meridian 18.5 sidereal hours later.
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[[it : ascenzione retta ]]
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