sentences: earth is a kind of celestial object & a star is a kind of celestial object / celestial body & apparent rest is when an preposition appears to stay unlimited to another preposition 's absence ->  apparent motion of stars is when stars appear to move relative to earth's position  apparent rest of revolutions is when conservation appear to stay unlimited to earth's absence & the earth rotating on its axis causes stars to appear to move across the sky at night -> the earth rotating on its axis causes apparent motion of stars the earth rotating on its axis causes apparent motion of stars  the space rotating on its felt size apparent rest of object & stars appear to move relative to the horizon during the night -> the earth rotating on its axis causes stars to move relative to the horizon during the night