Sun is moving around the centre of the galaxy at a velocity of _______ km/s?
A. 205
B. 210
C. 215
D. 220
Study of current and past landscapes formation is known as____________?
A. Morphology
B. Aero logy
C. Geo-morphology
D. Biology
Which one of the following is applicable to the planet ‘Venus’?
A. Smallest
B. Brightest
C. Most dense
D. Largest
The setting sun often looks oval in the shape because of__________?
A. The fact that sun really becomes oval in the evening
B. Refraction of rays of sun passing through the atmosphere
C. Optical Illusion
D. Dispersion