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leo is a kind of constellation | |
the earth revolving around the sun causes stars to appear in different areas in the sky at different times of year | |
a constellation contains stars | |
earth is a kind of celestial object | |
stars appear to move relative to the horizon during the night | |
a star is a kind of celestial object / celestial body | |
the earth rotating on its axis causes stars to appear to move across the sky at night | |
apparent motion is when an object appears to move relative to another object 's position | |
diurnal motion is when objects in the sky appear to move due to earth 's rotation on its axis | |
stars appear to move relative to the horizon during the night |