Which on of the following planets orbits around the sun in a clockwise direction?

A. Earth
B. Mercury
C. Jupiter
D. Venus

Which one of the following is not a unit of distance?

A. Parsec
B. Astronomical Unit
C. Light Year
D. Foot Candle

Constellations referred to as zodiac, are__________?

A. Imaginary regions that encompass the path of the planets
B. Signs of Roman gods
C. A group of stars
D. None of these

‘Black holes’ refers to_______________?

A. Holes occurring in heavenly bodies
B. Bright spots on the sun
C. Collapsing object of high density
D. Collapsing object of low density

The phases of the moon are partially the result of the____________?

A. Changes in the shape of the moon
B. Revolution of the moon around the earth
C. Variations in the moon’s gravitation
D. Variations in the speed of rotation of the moon

The top atmosphere of the Earth directly reflects back into space nearly what part of the total amount of sun’s energy coming to it?

A. 10%
B. 20%
C. 30%
D. 50%

What is the temperature at the center of the Sun?

A. 6 million °C
B. 10 million °C
C. 15 million °C
D. 20 million °C

What is the mass of the Sun?

A. 1.5×10 Power 30 Kg
B. 1.98×10 Power 30 Kg
C. 4.5×10 Power 30 Kg
D. 8×10 Power 30 Kg