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A star that doesn't appear to move in the sky because of it's position almost directly above the spin axis of Earth
The Pole Star
An imaginary plane running across the sky, aligning with the equator
The Celestial Equator
Celestial Latitude, measured in degrees
Celestial Longitude, measured in degrees or time.
The place on the celestial sphere where the Sun crosses from south to north on the March equinox
Planets you can see in the night sky without any apparatus
'Naked Eye' Planets
Stars that appear to remain in the same point in the sky in relation to other stars
Fixed Point Stars
When stars/planets in the sky appear to move "backwards", or from east to west