The Earth and the Sun are the part of a galaxy called the _________.
The first satellite sent into the space was_____________.
Ganymede is a moon of __________.
A large shield volcano is on the planet __________.
The Earth takes _________ days to revolve around the Sun.
This is the 2nd largest planet of the Solar System.
The planet _________ is the same as the size of the Earth.
This object emits light.
A _______ eclipse occurs whenever the Moon passes through the Earth's shadow.
Shooting stars are actually called ___________.
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