SPACE SCIENCE MULTIPLE CHOICE QUESTIONS

I. The element which was condensed to form a protostar is.
 a. Hydrogen b.Helium
 c. Lithium d. Carbon.

2. The value of chandrashekar limit is
 a) 1.4 times the earth mass
 b) 1.4 times the sun mass
 c) 14 times the earth mass
 d) 14 times the sum mass

3. The celestial object emitting radiation in pulses is called
 a. Quasar b. Black hole
c. white dwarf d. Pulsar.

4. The period of revolution of the Sun in the milky way galaxyis
 a. about 250 years
 b. about 250 million light years.
 c. about 100 years
 d. about 25 million years.

5. The theory which explains about the begining of the universe is
 a. Supernova theory b. steady state theory
 c. Bigbang theory d. Antiuniverse theory
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