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

A. Venus
B. Mars
C. Uranus
D. Neptune

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

A. Mars
B. Mercury
C. Saturn
D. Venus

A. Mercury and Venus
B. Venus and Mars
C. Mercury and Pluto
D. Venus and Neptune

A. Regions on earth without winter climate
B. Desert areas on the Sun
C. Dark patches on the surface of the Sun which are cooler areas
D. Dark patches on the surface of the Sun resulting from a localized fall in the temperature to about 4000°K

A. moon comes between the sun and the earth
B. earth comes between the sun and the moon
C. sun comes between the earth and the
moon
D. None of these

A. Moon and the Earth have gravitational force
B. Moon cannot change its position
C. The period of rotation of the Moon on its axis and period of revolution around the Earth is almost the same
D. The period of rotation of the Moon is not equal to the period of rotation of the Earth
E. None of these

A. An asteroid
B. A black hole
C. A comet
D. A dying star

A. Astrology
B. Astronautics
C. Astronomy
D. Astrophysics