What are ‘Red giants’?

(a) Caucasians

(b) Old stars

(c) Young stars

(d) None of these

Blue dwarfs’ refer to

(a) Caucasians

(b) Young stars

(c) Old stars

(d) None of these

The group of small pieces of rock revolving round the sun between the orbits of Mars and Jupiter are called?

(a) Meteors

(b) Comets

(c) Meteorites

(d) Asteroid

A Comet

(a) Has a tail always pointing away from the sunP

(b) Has a tail always pointing towards the sun

(c) Has no tail at all

(d) None of these

The comet, named after Edmund Halley reappears after a time interval of every

(a) 36 years

(b) 76 years

(c) 55 years

(d) 56 years

When and by whom were the rings of Saturn discovered?

(a) Galileo, 1610

(b) Edmund Halley, 1682

(c) Newton, 1682

(d) Tycho Brahe: 1590

The visible part of the sun is called?

(a) ionosphere

(b) Hydrosphere

(c) Photosphere

(d) Troposphere

What name is given to the path of the sun amongst the stars in our galaxy?

(a) Celestial sphere(b) Ecliptic

(c) Elliptical path

(d) Zodiacal signs

The planet Neptune’s orbit around the sun takes about

(a) 247.7 years

(b) 165 years

(c) 84 years

(d) 29.5 years