Twelve constellations referred to as zodiac are ________
A). Signs of Roman gods
B). Imaginary region that encompass the path of the planets
C). A group of stars
D). None of these
Which planet is known as the Earth's Twin?
A). Venus
B). Mars
C). Uranus
D). Neptune
Which of the following is known as the "red planet"?
A). Mercury
B). Jupiter
C). Mars
D). Saturn
The 'Solar Corona' mainly consists of ________
A). Cosmic rays
B). Molten lava
C). Gases
D). Ice
The constellations of stars appear at different positions in the sky at different times during night mainly ________
A). Because earth rotates about its axis
B). Because earth revolves round the sun
C). Because of optical illusion
D). Because celestial bodies are changing their positions all the time