BALOCHISTAN PUBLIC SERVICE COMMISSION
Samungli Road, Quetta Cantt.
COMPETITIVE EXAMINATION FOR THE POST(S) OF BCS (EB) OFFICER B-17
ASTRONOMY
Marks: 150
Wednesday, March 07, 2007 (02:30 PM)
Time: 03 Hours
Note: Attempt any Five questions. All questions carry equal marks.
Q-1. What do you understand by Spherical Trigonometry? Discuss in detail.
Q-2.
(a) What are Planetary Motions?
(b) Write Kepler’s First Law.
Q-3. What are the Eclipses of the Moon and Sun? Explain these with the help of diagrams.
Q-4.
(a) What are the Planets and how did they come into existence?
(b) What happened when the wandering stars came nearer and nearer?
Q-5.
(a) Define ASTEROID and describe theories of formation of Asteroid.
(b) Explain the Physical properties of Asteroids.
Q-6. Describe the salient features of MERCURY and SATURN.
Q-7.
(a) What are the Comets and Meteors?
(b) Discuss Halley’s Comet.
Q-8. What is the Geocentric Motion of a Planet and what are the phases of the planets and the Moon.
Q-9. Write Short Notes on any Four of the following:
(a) Twilight
(b) Galaxy
(c) Spectroscope
(d) Pleiades
(e) Constellations
(f) Infra Red Astronomy
Good Luck
***************