The Univers matchVersión en línea Matching definitions por monica escarcelle comes 1 They are smaller than planets and they orbit the Sun a rocky planets b comets c gaseous planets d dwarf planets 2 They are rocky objects which are irregular in shape a dwarf planets b asteroids c comets d meteorites 3 It is the invisible line on which celestial objects spin or rotate a orbit b rotational axis c revolutional plane d spinning axis 4 It is the distance light travels in one year a astronomical unit b 150 000 000 Km c light year d 9,5 million Km 5 It is the curved path which a celestial object follows in its revolution around another celestial object a spinning axis b rotational axis c orbit d revolutional plane 6 It is a vast collection of stars, dust and gases, held together by gravitational attraction a Nebula b Supernova c Planetary system d Galaxy
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