our solar system | 0.44 |
orbit | 0.35 |
equilibrium | 0.28 |
orbit the sun | 0.83 |
revolve around the sun | 0.80 |
travel around the sun | 0.58 |
orbit star | 0.58 |
orbit other stars | 0.54 |
rotate in same direction | 0.54 |
rotate on their axes | 0.51 |
support life | 0.50 |
move in their orbits | 0.41 |
pass in front of the st… | 0.40 |
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circular orbits | 0.57 |
moon | 0.48 |
same composition | 0.47 |
magnetic field | 0.41 |
atmosphere | 0.33 |
satellite | 0.28 |
ring | 0.28 |
their ending | 0.25 |
characteristic | 0.16 |
celestial body | 0.38 |
two distinct classes of… | 0.31 |
object | 0.28 |
formed | 0.62 |
discovered | 0.58 |
formed in same period | 0.44 |
inhabited | 0.41 |
created | 0.41 |
run by the sun | 0.37 |
separated | 0.35 |
destroyed | 0.33 |
close to each other | 0.28 |
known to ancient | 0.25 |
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