| We therefore need to append an additional piece of information to our coordinates — the | The is basically the projection of the latitude and longitude coordinate system we use here on Earth, onto the celestial sphere |
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| Lines of longitude have their equivalent in lines of , but whereas longitude is measured in degrees, minutes and seconds east the Greenwich , RA is measured in hours, minutes and seconds east from where the celestial equator intersects the the | At first glance, this system of uniquely positioning an object through two coordinates appears easy to implement and maintain |
The object itself has not moved — just the coordinate system.
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