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The Univers match
Author :
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