3.
The inexhaustible source of energy of the stars is due to
6.
Meteorites are the heavenly bodies
10.
An eclipse of the sun , takes place
12.
The Earth revolves around the Sun in an elliptical path and the Sun is located at one focus of the ellipse . Imagine a situation in which the Earth goes around the Sun on a circular path . Which one among the following would result in under that situation ?
13.
We always see the same face of the moon , because
14.
The ' blue moon ' phenomenon occurs
15.
We observe twinkling of stars due to